Hello !
with 2.6.22 i`m trying to export loopback mounted iso-images.
this is /etc/exports:
/export *(ro,crossmnt,subtree_check)
in /export, i have loopback mounted iso-images
after mounting on the client side under /mnt (tried one older and one recent system) , i`m getting:
vmhost:/mnt # ls -la
/bin/ls: iso1: Input/output error
/bin/ls: iso2 Input/output error
/bin/ls: iso3: Input/output error
total 10128
drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
vmhost:/mnt/iso1 # ls
/bin/ls: .: Stale NFS file handle
vmhost:/mnt/iso1 # ls -la
/bin/ls: .: Input/output error
i`m unsure if i should blame suse here (it`s an opensuse 10.3 box which seems to have nfs-utils 1.1.0)
does somebody have such setup up and running and can tell his distro / kernel and nfs-utils version ?
maybe i change distro then.
any clues what`s going wrong here and how to resolve ?
regards
roland
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On Saturday October 27, [email protected] wrote:
> Hello !
>
> with 2.6.22 i`m trying to export loopback mounted iso-images.
>
> this is /etc/exports:
>
> /export *(ro,crossmnt,subtree_check)
I recommend replacing subtree_check with no_subtree_check, but it
shouldn't make an important difference in this case.
This should work with nfs-utils 1.1.0 or later. With earlier releases
you need to explicitly export the subordinate filesystems too.
>
> in /export, i have loopback mounted iso-images
>
> after mounting on the client side under /mnt (tried one older and one recent system) , i`m getting:
>
> vmhost:/mnt # ls -la
> /bin/ls: iso1: Input/output error
> /bin/ls: iso2 Input/output error
> /bin/ls: iso3: Input/output error
> total 10128
> drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
> drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
> drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
> drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
> drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
>
> vmhost:/mnt/iso1 # ls
> /bin/ls: .: Stale NFS file handle
> vmhost:/mnt/iso1 # ls -la
> /bin/ls: .: Input/output error
It is a little odd that the errors are inconsistent.
Can you find any log messages from mountd in syslog? What do they
say?
Also what does
cat /proc/fs/nfsd/exports
on the server show.
Finally, a tcpdump:
tcpdump -s 0 -w /tmp/tcpdump port 2049
while you run the experiment might help.
>
> i`m unsure if i should blame suse here (it`s an opensuse 10.3 box which seems to have nfs-utils 1.1.0)
>
> does somebody have such setup up and running and can tell his distro / kernel and nfs-utils version ?
> maybe i change distro then.
I doubt that it is a distro-specific thing. As long as you have
nfs-utils-1.1.0 it should work. I don't have a 10.3 box
set up yet, but it works fine on Debian/unstable for me.
Maybe try adding the "no_root_squash" export option.
What does "ls -l /export" on the server show?
NeilBrown
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> I recommend replacing subtree_check with no_subtree_check, but it
> shouldn't make an important difference in this case.
ok, i leave it as is.
> This should work with nfs-utils 1.1.0 or later. With earlier releases
> you need to explicitly export the subordinate filesystems too.
>
mhh - opensuse doesn`t have nfs-utils package, but it has nfs-client-1.1.0-8 which looks like they repackaged nfs-utils 1.1.0
> It is a little odd that the errors are inconsistent.
ok, but only a minor issue, if an issue at all, isn`t it ?
> Can you find any log messages from mountd in syslog? What do they
> say?
yes, on the client i`m getting :
Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
Jun 3 21:36:20 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
no error message on the server:
Oct 26 10:09:31 opensuse103 mountd[4293]: authenticated unmount request from 10.0.0.40:1014 for /mnt (/mnt)
Oct 26 10:10:07 opensuse103 mountd[4293]: authenticated mount request from 10.0.0.40:612 for /mnt (/mnt)
Oct 26 10:10:43 opensuse103 mountd[4293]: authenticated unmount request from 10.0.0.40:623 for /mnt (/mnt)
Oct 26 10:10:52 opensuse103 mountd[4293]: authenticated mount request from 10.0.0.40:624 for /mnt (/mnt)
> Also what does
> cat /proc/fs/nfsd/exports
>
> on the server show.
opensuse103:~ # cat /proc/fs/nfsd/exports
# Version 1.1
# Path Client(Flags) # IPs
/mnt/iso1 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=2c49fef2:ba464293:9b2bf2b8:322ccbcb)
/mnt/iso3 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=27ae9c67:0b794b36:8b5e9e17:37b569eb)
/mnt *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=08164ee4:2db141eb:ac961701:49c74396)
/mnt/iso2 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=2aad6ea5:a05d4441:b94c48e6:e5d9981e)
> Finally, a tcpdump:
>
> tcpdump -s 0 -w /tmp/tcpdump port 2049
>
> while you run the experiment might help.
ah - this seems to give a hint, but i don`t have a clue why the server (10.0.0.30) is telling the client (10.0.0.40) a "RPC Version mismatch".
I also tried --no-nfs-version 4 for rpc.mountd (setting in /etc/sysconfig/nfs), but this didn`t make a difference.
here is the tcpdump output - i did
- mount
- ls / ls -la / cd to subdirs
10:15:06.480542 IP 10.0.0.40.0 > 10.0.0.30.2049: 0 null
10:15:06.480572 IP 10.0.0.30.2049 > 10.0.0.40.0: reply ERR 0: RPC Version mismatch (167772160-0)
10:15:06.480765 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2031114913 win 1460 <nop,nop,timestamp 686128 737918>
10:15:06.480821 IP 10.0.0.40.2079804678 > 10.0.0.30.2049: 108 fsinfo fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
10:15:06.480833 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 108 win 181 <nop,nop,timestamp 737918 686128>
10:15:06.513365 IP 10.0.0.30.2049 > 10.0.0.40.2079804678: reply ok 84 fsinfo rtmax 65536 rtpref 65536 wtmax 65536 wtpref 65536 dtpref 4096
10:15:06.514408 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 85 win 1460 <nop,nop,timestamp 686160 737926>
10:15:06.514902 IP 10.0.0.40.2096581894 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
10:15:06.515256 IP 10.0.0.30.2049 > 10.0.0.40.2096581894: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:15:06.553865 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 201 win 1460 <nop,nop,timestamp 686201 737926>
10:16:03.091784 IP 10.0.0.40.2113359110 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
10:16:03.093366 IP 10.0.0.30.2049 > 10.0.0.40.2113359110: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:03.096046 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 317 win 1460 <nop,nop,timestamp 743610 752071>
10:16:03.097370 IP 10.0.0.40.2130136326 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:03.098156 IP 10.0.0.30.2049 > 10.0.0.40.2130136326: reply ok 124 access c 0003
10:16:03.156812 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 441 win 1460 <nop,nop,timestamp 743651 752072>
10:16:08.967804 IP 10.0.0.40.2146913542 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
10:16:08.968305 IP 10.0.0.30.2049 > 10.0.0.40.2146913542: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:08.974285 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 557 win 1460 <nop,nop,timestamp 749477 753540>
10:16:08.975739 IP 10.0.0.40.2163690758 > 10.0.0.30.2049: 132 readdirplus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000 512 bytes @ 0
10:16:08.975985 IP 10.0.0.30.2049 > 10.0.0.40.2163690758: reply ok 1448 readdirplus
10:16:08.976510 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unknown rpc response code=2021855861 340
10:16:08.982238 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2345 win 2184 <nop,nop,timestamp 749479 753541>
10:16:08.984415 IP 10.0.0.40.2180467974 > 10.0.0.30.2049: 116 lookup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "iso3"
10:16:08.984931 IP 10.0.0.30.2049 > 10.0.0.40.2180467974: reply ok 232 lookup fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000100000002000041ED
10:16:09.008819 IP 10.0.0.40.2197245190 > 10.0.0.30.2049: 104 getattr fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000FDD22CC3C7002F0AC
10:16:09.010946 IP 10.0.0.30.2049 > 10.0.0.40.2197245190: reply ok 188 getattr REG 2 ids 5/0 sz 0
10:16:09.032541 IP 10.0.0.40.2214022406 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E66D0700
10:16:09.033405 IP 10.0.0.30.2049 > 10.0.0.40.2214022406: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.033490 IP 10.0.0.40.2230799622 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E56D0700
10:16:09.036811 IP 10.0.0.30.2049 > 10.0.0.40.2230799622: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.037823 IP 10.0.0.40.2247576838 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
10:16:09.039817 IP 10.0.0.30.2049 > 10.0.0.40.2247576838: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:09.040423 IP 10.0.0.40.2264354054 > 10.0.0.30.2049: 112 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000000F
10:16:09.040856 IP 10.0.0.30.2049 > 10.0.0.40.2264354054: reply ok 188 getattr REG 2 ids 5/0 sz 0
10:16:09.041590 IP 10.0.0.40.2281131270 > 10.0.0.30.2049: 116 lookup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "iso2"
10:16:09.041920 IP 10.0.0.30.2049 > 10.0.0.40.2281131270: reply ok 232 lookup fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000100000002000041ED
10:16:09.049633 IP 10.0.0.40.2297908486 > 10.0.0.30.2049: 104 getattr fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000F5FDC84454326E193
10:16:09.049781 IP 10.0.0.30.2049 > 10.0.0.40.2297908486: reply ok 188 getattr REG 2 ids 5/0 sz 0
10:16:09.063218 IP 10.0.0.40.2314685702 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
10:16:09.072505 IP 10.0.0.30.2049 > 10.0.0.40.2314685702: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.091698 IP 10.0.0.40.2331462918 > 10.0.0.30.2049: 124 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
10:16:09.092022 IP 10.0.0.30.2049 > 10.0.0.40.2331462918: reply ok 116 getattr REG 100644 ids 0/0 sz 1048576
10:16:09.128971 IP 10.0.0.40.2348240134 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
10:16:09.129304 IP 10.0.0.30.2049 > 10.0.0.40.2348240134: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.184155 IP 10.0.0.40.2365017350 > 10.0.0.30.2049: 124 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
10:16:09.184582 IP 10.0.0.30.2049 > 10.0.0.40.2365017350: reply ok 116 getattr REG 100644 ids 0/0 sz 1048576
10:16:09.189234 IP 10.0.0.40.2381794566 > 10.0.0.30.2049: 116 lookup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "iso1"
10:16:09.189435 IP 10.0.0.30.2049 > 10.0.0.40.2381794566: reply ok 232 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000100000002000041ED
10:16:09.193476 IP 10.0.0.40.2398571782 > 10.0.0.30.2049: 104 getattr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000F58896A884A0C62B7
10:16:09.193652 IP 10.0.0.30.2049 > 10.0.0.40.2398571782: reply ok 188 getattr REG 2 ids 5/0 sz 0
10:16:09.194937 IP 10.0.0.40.2415348998 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E76D0700
10:16:09.195033 IP 10.0.0.30.2049 > 10.0.0.40.2415348998: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.195230 IP 10.0.0.40.2432126214 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E86D0700
10:16:09.323635 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2572 win 416 <nop,nop,timestamp 753629 749566>
10:16:09.324345 IP 10.0.0.30.2049 > 10.0.0.40.2432126214: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.341475 IP 10.0.0.40.2448903430 > 10.0.0.30.2049: 128 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
10:16:09.341524 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2700 win 449 <nop,nop,timestamp 753632 749707>
10:16:09.341928 IP 10.0.0.30.2049 > 10.0.0.40.2448903430: reply ok 188 getattr REG 1 ids 1/0 sz 0
10:16:09.342117 IP 10.0.0.40.2465680646 > 10.0.0.30.2049: 124 getattr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
10:16:09.343404 IP 10.0.0.30.2049 > 10.0.0.40.2465680646: reply ok 116 getattr REG 100644 ids 0/0 sz 1048576
10:16:09.389316 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5573 win 2184 <nop,nop,timestamp 749751 753633>
10:16:13.449513 IP 10.0.0.40.2482457862 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219CB5
10:16:13.449815 IP 10.0.0.30.2049 > 10.0.0.40.2482457862: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:13.452344 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5689 win 2184 <nop,nop,timestamp 753943 754660>
10:16:13.453973 IP 10.0.0.40.2499235078 > 10.0.0.30.2049: 100 getattr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB47219C8C0000000047219C8C
10:16:13.454154 IP 10.0.0.30.2049 > 10.0.0.40.2499235078: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:13.456194 IP 10.0.0.40.2516012294 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
10:16:13.456361 IP 10.0.0.30.2049 > 10.0.0.40.2516012294: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:13.458282 IP 10.0.0.40.2532789510 > 10.0.0.30.2049: 116 lookup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "iso1"
10:16:13.458461 IP 10.0.0.30.2049 > 10.0.0.40.2532789510: reply ok 232 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000100000002000041ED
10:16:13.510637 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6153 win 2184 <nop,nop,timestamp 753985 754662>
10:16:14.030110 IP 10.0.0.40.2549566726 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.030927 IP 10.0.0.30.2049 > 10.0.0.40.2549566726: reply ok 124 access c 0003
10:16:14.033436 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6277 win 2184 <nop,nop,timestamp 754548 754805>
10:16:14.034732 IP 10.0.0.40.2566343942 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
10:16:14.034980 IP 10.0.0.30.2049 > 10.0.0.40.2566343942: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:14.037319 IP 10.0.0.40.2583121158 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.037486 IP 10.0.0.30.2049 > 10.0.0.40.2583121158: reply ok 124 access c 0003
10:16:14.040323 IP 10.0.0.40.2599898374 > 10.0.0.30.2049: 132 readdirplus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000 512 bytes @ 0
10:16:14.040554 IP 10.0.0.30.2049 > 10.0.0.40.2599898374: reply ok 1448 readdirplus
10:16:14.041020 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unknown rpc response code=2021855861 340
10:16:14.043583 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8305 win 2908 <nop,nop,timestamp 754550 754808>
10:16:14.045104 IP 10.0.0.40.2616675590 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.045402 IP 10.0.0.30.2049 > 10.0.0.40.2616675590: reply ok 124 access c 0003
10:16:14.047830 IP 10.0.0.40.2633452806 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.048039 IP 10.0.0.30.2049 > 10.0.0.40.2633452806: reply ok 124 access c 0003
10:16:14.099385 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8553 win 2908 <nop,nop,timestamp 754592 754810>
10:16:14.293714 IP 10.0.0.40.2650230022 > 10.0.0.30.2049: 108 getattr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
10:16:14.294019 IP 10.0.0.30.2049 > 10.0.0.40.2650230022: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:14.297263 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8669 win 2908 <nop,nop,timestamp 754763 754871>
10:16:14.297272 IP 10.0.0.40.2667007238 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.297466 IP 10.0.0.30.2049 > 10.0.0.40.2667007238: reply ok 124 access c 0003
10:16:14.297586 IP 10.0.0.40.2683784454 > 10.0.0.30.2049: 112 access fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
10:16:14.297987 IP 10.0.0.30.2049 > 10.0.0.40.2683784454: reply ok 124 access c 0003
10:16:14.301165 IP 10.0.0.40.2700561670 > 10.0.0.30.2049: 104 access fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000001F47219C8C00000000 001f
10:16:14.301405 IP 10.0.0.30.2049 > 10.0.0.40.2700561670: reply ok 124 access c 0003
10:16:14.351229 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9041 win 2908 <nop,nop,timestamp 754810 754873>
10:16:14.842633 IP 10.0.0.40.2717338886 > 10.0.0.30.2049: 100 getattr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000047219C8C00000000
10:16:14.851711 IP 10.0.0.30.2049 > 10.0.0.40.2717338886: reply ok 116 getattr DIR 40755 ids 0/0 sz 4096
10:16:14.856846 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9157 win 2908 <nop,nop,timestamp 755272 755008>
> > does somebody have such setup up and running and can tell his distro / kernel and nfs-utils version ?
> > maybe i change distro then.
>
> I doubt that it is a distro-specific thing. As long as you have
> nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> set up yet, but it works fine on Debian/unstable for me.
ok, will try this on debian.
> Maybe try adding the "no_root_squash" export option.
no difference
> What does "ls -l /export" on the server show?
nothing unusual. no errors, just the dirs/mountpoints
Thanks for your help!
regards
roland
>
> On Saturday October 27, [email protected] wrote:
> > Hello !
> >
> > with 2.6.22 i`m trying to export loopback mounted iso-images.
> >
> > this is /etc/exports:
> >
> > /export *(ro,crossmnt,subtree_check)
>
> I recommend replacing subtree_check with no_subtree_check, but it
> shouldn't make an important difference in this case.
>
>
> This should work with nfs-utils 1.1.0 or later. With earlier releases
> you need to explicitly export the subordinate filesystems too.
>
> >
> > in /export, i have loopback mounted iso-images
> >
> > after mounting on the client side under /mnt (tried one older and one recent system) , i`m getting:
> >
> > vmhost:/mnt # ls -la
> > /bin/ls: iso1: Input/output error
> > /bin/ls: iso2 Input/output error
> > /bin/ls: iso3: Input/output error
> > total 10128
> > drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
> > drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
> > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
> > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
> > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
> >
> > vmhost:/mnt/iso1 # ls
> > /bin/ls: .: Stale NFS file handle
> > vmhost:/mnt/iso1 # ls -la
> > /bin/ls: .: Input/output error
>
> It is a little odd that the errors are inconsistent.
>
> Can you find any log messages from mountd in syslog? What do they
> say?
> Also what does
> cat /proc/fs/nfsd/exports
>
> on the server show.
>
> Finally, a tcpdump:
>
> tcpdump -s 0 -w /tmp/tcpdump port 2049
>
> while you run the experiment might help.
>
> >
> > i`m unsure if i should blame suse here (it`s an opensuse 10.3 box which seems to have nfs-utils 1.1.0)
> >
> > does somebody have such setup up and running and can tell his distro / kernel and nfs-utils version ?
> > maybe i change distro then.
>
> I doubt that it is a distro-specific thing. As long as you have
> nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> set up yet, but it works fine on Debian/unstable for me.
>
> Maybe try adding the "no_root_squash" export option.
> What does "ls -l /export" on the server show?
>
> NeilBrown
>
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NFS maillist - [email protected]
https://lists.sourceforge.net/lists/listinfo/nfs
hi !
i tried latest grml build (lenny/sid) as server today (suse 9.3 as client).
error still existing, but a little bit different:
if i cd to the loopback-mount dir`s on the client, i see the contents of th=
e parent directory, i.e. i get a recursion.
regards
roland
> -----Urspr=FCngliche Nachricht-----
> Von: [email protected]
> Gesendet: 30.10.07 21:05:56
> An: Neil Brown <[email protected]>
> CC: [email protected]
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> > I recommend replacing subtree_check with no_subtree_check, but it
> > shouldn't make an important difference in this case.
> =
> ok, i leave it as is.
> =
> > This should work with nfs-utils 1.1.0 or later. With earlier releases
> > you need to explicitly export the subordinate filesystems too.
> > =
> =
> mhh - opensuse doesn`t have nfs-utils package, but it has nfs-client-1.1.=
0-8 which looks like they repackaged nfs-utils 1.1.0
> =
> > It is a little odd that the errors are inconsistent.
> =
> ok, but only a minor issue, if an issue at all, isn`t it ?
> =
> > Can you find any log messages from mountd in syslog? What do they
> > say?
> =
> yes, on the client i`m getting :
> =
> Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
> Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
> Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
> Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
> Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
> Jun 3 21:36:20 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
> =
> =
> no error message on the server:
> Oct 26 10:09:31 opensuse103 mountd[4293]: authenticated unmount request f=
rom 10.0.0.40:1014 for /mnt (/mnt)
> Oct 26 10:10:07 opensuse103 mountd[4293]: authenticated mount request fro=
m 10.0.0.40:612 for /mnt (/mnt)
> Oct 26 10:10:43 opensuse103 mountd[4293]: authenticated unmount request f=
rom 10.0.0.40:623 for /mnt (/mnt)
> Oct 26 10:10:52 opensuse103 mountd[4293]: authenticated mount request fro=
m 10.0.0.40:624 for /mnt (/mnt)
> =
> > Also what does
> > cat /proc/fs/nfsd/exports
> > =
> > on the server show.
> =
> opensuse103:~ # cat /proc/fs/nfsd/exports
> # Version 1.1
> # Path Client(Flags) # IPs
> /mnt/iso1 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2c49fef2:=
ba464293:9b2bf2b8:322ccbcb)
> /mnt/iso3 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D27ae9c67:=
0b794b36:8b5e9e17:37b569eb)
> /mnt *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D08164ee4:2db141eb=
:ac961701:49c74396)
> /mnt/iso2 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2aad6ea5:=
a05d4441:b94c48e6:e5d9981e)
> =
> =
> > Finally, a tcpdump:
> > =
> > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > =
> > while you run the experiment might help.
> =
> ah - this seems to give a hint, but i don`t have a clue why the server (1=
0.0.0.30) is telling the client (10.0.0.40) a "RPC Version mismatch".
> I also tried --no-nfs-version 4 for rpc.mountd (setting in /etc/sysconfi=
g/nfs), but this didn`t make a difference.
> =
> here is the tcpdump output - i did =
> =
> - mount
> - ls / ls -la / cd to subdirs
> =
> 10:15:06.480542 IP 10.0.0.40.0 > 10.0.0.30.2049: 0 null
> 10:15:06.480572 IP 10.0.0.30.2049 > 10.0.0.40.0: reply ERR 0: RPC Version=
mismatch (167772160-0)
> 10:15:06.480765 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2031114913 win =
1460 <nop,nop,timestamp 686128 737918>
> 10:15:06.480821 IP 10.0.0.40.2079804678 > 10.0.0.30.2049: 108 fsinfo fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
> 10:15:06.480833 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 108 win 181 <no=
p,nop,timestamp 737918 686128>
> 10:15:06.513365 IP 10.0.0.30.2049 > 10.0.0.40.2079804678: reply ok 84 fsi=
nfo rtmax 65536 rtpref 65536 wtmax 65536 wtpref 65536 dtpref 4096
> 10:15:06.514408 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 85 win 1460 <no=
p,nop,timestamp 686160 737926>
> 10:15:06.514902 IP 10.0.0.40.2096581894 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
> 10:15:06.515256 IP 10.0.0.30.2049 > 10.0.0.40.2096581894: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:15:06.553865 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 201 win 1460 <n=
op,nop,timestamp 686201 737926>
> 10:16:03.091784 IP 10.0.0.40.2113359110 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
> 10:16:03.093366 IP 10.0.0.30.2049 > 10.0.0.40.2113359110: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:03.096046 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 317 win 1460 <n=
op,nop,timestamp 743610 752071>
> 10:16:03.097370 IP 10.0.0.40.2130136326 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:03.098156 IP 10.0.0.30.2049 > 10.0.0.40.2130136326: reply ok 124 ac=
cess c 0003
> 10:16:03.156812 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 441 win 1460 <n=
op,nop,timestamp 743651 752072>
> 10:16:08.967804 IP 10.0.0.40.2146913542 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> 10:16:08.968305 IP 10.0.0.30.2049 > 10.0.0.40.2146913542: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:08.974285 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 557 win 1460 <n=
op,nop,timestamp 749477 753540>
> 10:16:08.975739 IP 10.0.0.40.2163690758 > 10.0.0.30.2049: 132 readdirplus=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000000=
0 512 bytes @ 0
> 10:16:08.975985 IP 10.0.0.30.2049 > 10.0.0.40.2163690758: reply ok 1448 r=
eaddirplus
> 10:16:08.976510 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unknown r=
pc response code=3D2021855861 340
> 10:16:08.982238 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2345 win 2184 <=
nop,nop,timestamp 749479 753541>
> 10:16:08.984415 IP 10.0.0.40.2180467974 > 10.0.0.30.2049: 116 lookup fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "is=
o3"
> 10:16:08.984931 IP 10.0.0.30.2049 > 10.0.0.40.2180467974: reply ok 232 lo=
okup fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000100000002000=
041ED
> 10:16:09.008819 IP 10.0.0.40.2197245190 > 10.0.0.30.2049: 104 getattr fh =
Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000FDD22CC3C7002F0AC
> 10:16:09.010946 IP 10.0.0.30.2049 > 10.0.0.40.2197245190: reply ok 188 ge=
tattr REG 2 ids 5/0 sz 0
> 10:16:09.032541 IP 10.0.0.40.2214022406 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E66D0700
> 10:16:09.033405 IP 10.0.0.30.2049 > 10.0.0.40.2214022406: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.033490 IP 10.0.0.40.2230799622 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E56D0700
> 10:16:09.036811 IP 10.0.0.30.2049 > 10.0.0.40.2230799622: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.037823 IP 10.0.0.40.2247576838 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> 10:16:09.039817 IP 10.0.0.30.2049 > 10.0.0.40.2247576838: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:09.040423 IP 10.0.0.40.2264354054 > 10.0.0.30.2049: 112 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000000F
> 10:16:09.040856 IP 10.0.0.30.2049 > 10.0.0.40.2264354054: reply ok 188 ge=
tattr REG 2 ids 5/0 sz 0
> 10:16:09.041590 IP 10.0.0.40.2281131270 > 10.0.0.30.2049: 116 lookup fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "is=
o2"
> 10:16:09.041920 IP 10.0.0.30.2049 > 10.0.0.40.2281131270: reply ok 232 lo=
okup fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000100000002000=
041ED
> 10:16:09.049633 IP 10.0.0.40.2297908486 > 10.0.0.30.2049: 104 getattr fh =
Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000F5FDC84454326E193
> 10:16:09.049781 IP 10.0.0.30.2049 > 10.0.0.40.2297908486: reply ok 188 ge=
tattr REG 2 ids 5/0 sz 0
> 10:16:09.063218 IP 10.0.0.40.2314685702 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
> 10:16:09.072505 IP 10.0.0.30.2049 > 10.0.0.40.2314685702: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.091698 IP 10.0.0.40.2331462918 > 10.0.0.30.2049: 124 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
> 10:16:09.092022 IP 10.0.0.30.2049 > 10.0.0.40.2331462918: reply ok 116 ge=
tattr REG 100644 ids 0/0 sz 1048576
> 10:16:09.128971 IP 10.0.0.40.2348240134 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
> 10:16:09.129304 IP 10.0.0.30.2049 > 10.0.0.40.2348240134: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.184155 IP 10.0.0.40.2365017350 > 10.0.0.30.2049: 124 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
> 10:16:09.184582 IP 10.0.0.30.2049 > 10.0.0.40.2365017350: reply ok 116 ge=
tattr REG 100644 ids 0/0 sz 1048576
> 10:16:09.189234 IP 10.0.0.40.2381794566 > 10.0.0.30.2049: 116 lookup fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "is=
o1"
> 10:16:09.189435 IP 10.0.0.30.2049 > 10.0.0.40.2381794566: reply ok 232 lo=
okup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000100000002000=
041ED
> 10:16:09.193476 IP 10.0.0.40.2398571782 > 10.0.0.30.2049: 104 getattr fh =
Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000F58896A884A0C62B7
> 10:16:09.193652 IP 10.0.0.30.2049 > 10.0.0.40.2398571782: reply ok 188 ge=
tattr REG 2 ids 5/0 sz 0
> 10:16:09.194937 IP 10.0.0.40.2415348998 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E76D0700
> 10:16:09.195033 IP 10.0.0.30.2049 > 10.0.0.40.2415348998: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.195230 IP 10.0.0.40.2432126214 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E86D0700
> 10:16:09.323635 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2572 win 416 <n=
op,nop,timestamp 753629 749566>
> 10:16:09.324345 IP 10.0.0.30.2049 > 10.0.0.40.2432126214: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.341475 IP 10.0.0.40.2448903430 > 10.0.0.30.2049: 128 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
> 10:16:09.341524 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2700 win 449 <n=
op,nop,timestamp 753632 749707>
> 10:16:09.341928 IP 10.0.0.30.2049 > 10.0.0.40.2448903430: reply ok 188 ge=
tattr REG 1 ids 1/0 sz 0
> 10:16:09.342117 IP 10.0.0.40.2465680646 > 10.0.0.30.2049: 124 getattr fh =
Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
> 10:16:09.343404 IP 10.0.0.30.2049 > 10.0.0.40.2465680646: reply ok 116 ge=
tattr REG 100644 ids 0/0 sz 1048576
> 10:16:09.389316 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5573 win 2184 <=
nop,nop,timestamp 749751 753633>
> 10:16:13.449513 IP 10.0.0.40.2482457862 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219CB5
> 10:16:13.449815 IP 10.0.0.30.2049 > 10.0.0.40.2482457862: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:13.452344 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5689 win 2184 <=
nop,nop,timestamp 753943 754660>
> 10:16:13.453973 IP 10.0.0.40.2499235078 > 10.0.0.30.2049: 100 getattr fh =
Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB47219C8C0000000047219C8C
> 10:16:13.454154 IP 10.0.0.30.2049 > 10.0.0.40.2499235078: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:13.456194 IP 10.0.0.40.2516012294 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
> 10:16:13.456361 IP 10.0.0.30.2049 > 10.0.0.40.2516012294: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:13.458282 IP 10.0.0.40.2532789510 > 10.0.0.30.2049: 116 lookup fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004 "is=
o1"
> 10:16:13.458461 IP 10.0.0.30.2049 > 10.0.0.40.2532789510: reply ok 232 lo=
okup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000100000002000=
041ED
> 10:16:13.510637 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6153 win 2184 <=
nop,nop,timestamp 753985 754662>
> 10:16:14.030110 IP 10.0.0.40.2549566726 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.030927 IP 10.0.0.30.2049 > 10.0.0.40.2549566726: reply ok 124 ac=
cess c 0003
> 10:16:14.033436 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6277 win 2184 <=
nop,nop,timestamp 754548 754805>
> 10:16:14.034732 IP 10.0.0.40.2566343942 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> 10:16:14.034980 IP 10.0.0.30.2049 > 10.0.0.40.2566343942: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:14.037319 IP 10.0.0.40.2583121158 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.037486 IP 10.0.0.30.2049 > 10.0.0.40.2583121158: reply ok 124 ac=
cess c 0003
> 10:16:14.040323 IP 10.0.0.40.2599898374 > 10.0.0.30.2049: 132 readdirplus=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000000=
0 512 bytes @ 0
> 10:16:14.040554 IP 10.0.0.30.2049 > 10.0.0.40.2599898374: reply ok 1448 r=
eaddirplus
> 10:16:14.041020 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unknown r=
pc response code=3D2021855861 340
> 10:16:14.043583 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8305 win 2908 <=
nop,nop,timestamp 754550 754808>
> 10:16:14.045104 IP 10.0.0.40.2616675590 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.045402 IP 10.0.0.30.2049 > 10.0.0.40.2616675590: reply ok 124 ac=
cess c 0003
> 10:16:14.047830 IP 10.0.0.40.2633452806 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.048039 IP 10.0.0.30.2049 > 10.0.0.40.2633452806: reply ok 124 ac=
cess c 0003
> 10:16:14.099385 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8553 win 2908 <=
nop,nop,timestamp 754592 754810>
> 10:16:14.293714 IP 10.0.0.40.2650230022 > 10.0.0.30.2049: 108 getattr fh =
Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> 10:16:14.294019 IP 10.0.0.30.2049 > 10.0.0.40.2650230022: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:14.297263 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8669 win 2908 <=
nop,nop,timestamp 754763 754871>
> 10:16:14.297272 IP 10.0.0.40.2667007238 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.297466 IP 10.0.0.30.2049 > 10.0.0.40.2667007238: reply ok 124 ac=
cess c 0003
> 10:16:14.297586 IP 10.0.0.40.2683784454 > 10.0.0.30.2049: 112 access fh U=
nknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F 001f
> 10:16:14.297987 IP 10.0.0.30.2049 > 10.0.0.40.2683784454: reply ok 124 ac=
cess c 0003
> 10:16:14.301165 IP 10.0.0.40.2700561670 > 10.0.0.30.2049: 104 access fh U=
nknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000001F47219C8C00000000 001f
> 10:16:14.301405 IP 10.0.0.30.2049 > 10.0.0.40.2700561670: reply ok 124 ac=
cess c 0003
> 10:16:14.351229 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9041 win 2908 <=
nop,nop,timestamp 754810 754873>
> 10:16:14.842633 IP 10.0.0.40.2717338886 > 10.0.0.30.2049: 100 getattr fh =
Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000047219C8C00000000
> 10:16:14.851711 IP 10.0.0.30.2049 > 10.0.0.40.2717338886: reply ok 116 ge=
tattr DIR 40755 ids 0/0 sz 4096
> 10:16:14.856846 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9157 win 2908 <=
nop,nop,timestamp 755272 755008>
> =
> =
> > > does somebody have such setup up and running and can tell his distro =
/ kernel and nfs-utils version ?
> > > maybe i change distro then.
> > =
> > I doubt that it is a distro-specific thing. As long as you have
> > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > set up yet, but it works fine on Debian/unstable for me.
> =
> ok, will try this on debian.
> =
> > Maybe try adding the "no_root_squash" export option.
> no difference
> =
> > What does "ls -l /export" on the server show?
> nothing unusual. no errors, just the dirs/mountpoints
> =
> Thanks for your help!
> =
> regards
> roland
> =
> =
> > =
> > On Saturday October 27, [email protected] wrote:
> > > Hello !
> > > =
> > > with 2.6.22 i`m trying to export loopback mounted iso-images.
> > > =
> > > this is /etc/exports:
> > > =
> > > /export *(ro,crossmnt,subtree_check)
> > =
> > I recommend replacing subtree_check with no_subtree_check, but it
> > shouldn't make an important difference in this case.
> > =
> > =
> > This should work with nfs-utils 1.1.0 or later. With earlier releases
> > you need to explicitly export the subordinate filesystems too.
> > =
> > > =
> > > in /export, i have loopback mounted iso-images
> > > =
> > > after mounting on the client side under /mnt (tried one older and one=
recent system) , i`m getting:
> > > =
> > > vmhost:/mnt # ls -la
> > > /bin/ls: iso1: Input/output error
> > > /bin/ls: iso2 Input/output error
> > > /bin/ls: iso3: Input/output error
> > > total 10128
> > > drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
> > > drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
> > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
> > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
> > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
> > > =
> > > vmhost:/mnt/iso1 # ls
> > > /bin/ls: .: Stale NFS file handle
> > > vmhost:/mnt/iso1 # ls -la
> > > /bin/ls: .: Input/output error
> > =
> > It is a little odd that the errors are inconsistent.
> > =
> > Can you find any log messages from mountd in syslog? What do they
> > say?
> > Also what does
> > cat /proc/fs/nfsd/exports
> > =
> > on the server show.
> > =
> > Finally, a tcpdump:
> > =
> > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > =
> > while you run the experiment might help.
> > =
> > > =
> > > i`m unsure if i should blame suse here (it`s an opensuse 10.3 box whi=
ch seems to have nfs-utils 1.1.0)
> > > =
> > > does somebody have such setup up and running and can tell his distro =
/ kernel and nfs-utils version ?
> > > maybe i change distro then.
> > =
> > I doubt that it is a distro-specific thing. As long as you have
> > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > set up yet, but it works fine on Debian/unstable for me.
> > =
> > Maybe try adding the "no_root_squash" export option.
> > What does "ls -l /export" on the server show?
> > =
> > NeilBrown
> > =
> =
> =
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>If you add an explicit export for each one, =
you mean, i should export each of those ~500 loopback mounted iso images ?
come on, that`s not what admins or users want, isn`t it ?
> -----Urspr=FCngliche Nachricht-----
> Von: "J. Bruce Fields" <[email protected]>
> Gesendet: 31.10.07 21:58:00
> An: [email protected]
> CC: Neil Brown <[email protected]>, [email protected]
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> On Wed, Oct 31, 2007 at 09:46:13PM +0100, [email protected] wrote:
> > hi !
> > =
> > i tried latest grml build (lenny/sid) as server today (suse 9.3 as clie=
nt).
> > =
> > error still existing, but a little bit different:
> > =
> > if i cd to the loopback-mount dir`s on the client, i see the contents o=
f the parent directory, i.e. i get a recursion.
> =
> That suggests something funky in the way we're identifying those
> filesystems in the filehandle. If you add an explicit export for each
> one, each with its own "fsid=3Dxyz" option (with xyz whatever positive
> integer you'd like, as long as it's difficult for export), does the
> problem go away??
> =
> --b.
> =
> > =
> > regards
> > roland
> > =
> > =
> > =
> > > -----Urspr=FCngliche Nachricht-----
> > > Von: [email protected]
> > > Gesendet: 30.10.07 21:05:56
> > > An: Neil Brown <[email protected]>
> > > CC: [email protected]
> > > Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> > =
> > =
> > > =
> > > > I recommend replacing subtree_check with no_subtree_check, but it
> > > > shouldn't make an important difference in this case.
> > > =
> > > ok, i leave it as is.
> > > =
> > > > This should work with nfs-utils 1.1.0 or later. With earlier relea=
ses
> > > > you need to explicitly export the subordinate filesystems too.
> > > > =
> > > =
> > > mhh - opensuse doesn`t have nfs-utils package, but it has nfs-client-=
1.1.0-8 which looks like they repackaged nfs-utils 1.1.0
> > > =
> > > > It is a little odd that the errors are inconsistent.
> > > =
> > > ok, but only a minor issue, if an issue at all, isn`t it ?
> > > =
> > > > Can you find any log messages from mountd in syslog? What do they
> > > > say?
> > > =
> > > yes, on the client i`m getting :
> > > =
> > > Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
> > > Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> > > Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mismatch
> > > Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> > > Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
> > > Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> > > Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mismatch
> > > Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> > > Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
> > > Jun 3 21:36:20 linux kernel: expected (0:11/0x2), got (0:11/0x13881)
> > > Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mismatch
> > > =
> > > =
> > > no error message on the server:
> > > Oct 26 10:09:31 opensuse103 mountd[4293]: authenticated unmount reque=
st from 10.0.0.40:1014 for /mnt (/mnt)
> > > Oct 26 10:10:07 opensuse103 mountd[4293]: authenticated mount request=
from 10.0.0.40:612 for /mnt (/mnt)
> > > Oct 26 10:10:43 opensuse103 mountd[4293]: authenticated unmount reque=
st from 10.0.0.40:623 for /mnt (/mnt)
> > > Oct 26 10:10:52 opensuse103 mountd[4293]: authenticated mount request=
from 10.0.0.40:624 for /mnt (/mnt)
> > > =
> > > > Also what does
> > > > cat /proc/fs/nfsd/exports
> > > > =
> > > > on the server show.
> > > =
> > > opensuse103:~ # cat /proc/fs/nfsd/exports
> > > # Version 1.1
> > > # Path Client(Flags) # IPs
> > > /mnt/iso1 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2c49f=
ef2:ba464293:9b2bf2b8:322ccbcb)
> > > /mnt/iso3 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D27ae9=
c67:0b794b36:8b5e9e17:37b569eb)
> > > /mnt *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D08164ee4:2db1=
41eb:ac961701:49c74396)
> > > /mnt/iso2 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2aad6=
ea5:a05d4441:b94c48e6:e5d9981e)
> > > =
> > > =
> > > > Finally, a tcpdump:
> > > > =
> > > > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > > > =
> > > > while you run the experiment might help.
> > > =
> > > ah - this seems to give a hint, but i don`t have a clue why the serve=
r (10.0.0.30) is telling the client (10.0.0.40) a "RPC Version mismatch".
> > > I also tried --no-nfs-version 4 for rpc.mountd (setting in /etc/sysc=
onfig/nfs), but this didn`t make a difference.
> > > =
> > > here is the tcpdump output - i did =
> > > =
> > > - mount
> > > - ls / ls -la / cd to subdirs
> > > =
> > > 10:15:06.480542 IP 10.0.0.40.0 > 10.0.0.30.2049: 0 null
> > > 10:15:06.480572 IP 10.0.0.30.2049 > 10.0.0.40.0: reply ERR 0: RPC Ver=
sion mismatch (167772160-0)
> > > 10:15:06.480765 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2031114913 =
win 1460 <nop,nop,timestamp 686128 737918>
> > > 10:15:06.480821 IP 10.0.0.40.2079804678 > 10.0.0.30.2049: 108 fsinfo =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
> > > 10:15:06.480833 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 108 win 181=
<nop,nop,timestamp 737918 686128>
> > > 10:15:06.513365 IP 10.0.0.30.2049 > 10.0.0.40.2079804678: reply ok 84=
fsinfo rtmax 65536 rtpref 65536 wtmax 65536 wtpref 65536 dtpref 4096
> > > 10:15:06.514408 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 85 win 1460=
<nop,nop,timestamp 686160 737926>
> > > 10:15:06.514902 IP 10.0.0.40.2096581894 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD81908
> > > 10:15:06.515256 IP 10.0.0.30.2049 > 10.0.0.40.2096581894: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:15:06.553865 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 201 win 146=
0 <nop,nop,timestamp 686201 737926>
> > > 10:16:03.091784 IP 10.0.0.40.2113359110 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
> > > 10:16:03.093366 IP 10.0.0.30.2049 > 10.0.0.40.2113359110: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:03.096046 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 317 win 146=
0 <nop,nop,timestamp 743610 752071>
> > > 10:16:03.097370 IP 10.0.0.40.2130136326 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:03.098156 IP 10.0.0.30.2049 > 10.0.0.40.2130136326: reply ok 12=
4 access c 0003
> > > 10:16:03.156812 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 441 win 146=
0 <nop,nop,timestamp 743651 752072>
> > > 10:16:08.967804 IP 10.0.0.40.2146913542 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> > > 10:16:08.968305 IP 10.0.0.30.2049 > 10.0.0.40.2146913542: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:08.974285 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 557 win 146=
0 <nop,nop,timestamp 749477 753540>
> > > 10:16:08.975739 IP 10.0.0.40.2163690758 > 10.0.0.30.2049: 132 readdir=
plus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000 512 bytes @ 0
> > > 10:16:08.975985 IP 10.0.0.30.2049 > 10.0.0.40.2163690758: reply ok 14=
48 readdirplus
> > > 10:16:08.976510 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unkno=
wn rpc response code=3D2021855861 340
> > > 10:16:08.982238 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2345 win 21=
84 <nop,nop,timestamp 749479 753541>
> > > 10:16:08.984415 IP 10.0.0.40.2180467974 > 10.0.0.30.2049: 116 lookup =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004=
"iso3"
> > > 10:16:08.984931 IP 10.0.0.30.2049 > 10.0.0.40.2180467974: reply ok 23=
2 lookup fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB000000010000000=
2000041ED
> > > 10:16:09.008819 IP 10.0.0.40.2197245190 > 10.0.0.30.2049: 104 getattr=
fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000FDD22CC3C7002F0AC
> > > 10:16:09.010946 IP 10.0.0.30.2049 > 10.0.0.40.2197245190: reply ok 18=
8 getattr REG 2 ids 5/0 sz 0
> > > 10:16:09.032541 IP 10.0.0.40.2214022406 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E66D0700
> > > 10:16:09.033405 IP 10.0.0.30.2049 > 10.0.0.40.2214022406: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.033490 IP 10.0.0.40.2230799622 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E56D0700
> > > 10:16:09.036811 IP 10.0.0.30.2049 > 10.0.0.40.2230799622: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.037823 IP 10.0.0.40.2247576838 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> > > 10:16:09.039817 IP 10.0.0.30.2049 > 10.0.0.40.2247576838: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:09.040423 IP 10.0.0.40.2264354054 > 10.0.0.30.2049: 112 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000000F
> > > 10:16:09.040856 IP 10.0.0.30.2049 > 10.0.0.40.2264354054: reply ok 18=
8 getattr REG 2 ids 5/0 sz 0
> > > 10:16:09.041590 IP 10.0.0.40.2281131270 > 10.0.0.30.2049: 116 lookup =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004=
"iso2"
> > > 10:16:09.041920 IP 10.0.0.30.2049 > 10.0.0.40.2281131270: reply ok 23=
2 lookup fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E000000010000000=
2000041ED
> > > 10:16:09.049633 IP 10.0.0.40.2297908486 > 10.0.0.30.2049: 104 getattr=
fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000F5FDC84454326E193
> > > 10:16:09.049781 IP 10.0.0.30.2049 > 10.0.0.40.2297908486: reply ok 18=
8 getattr REG 2 ids 5/0 sz 0
> > > 10:16:09.063218 IP 10.0.0.40.2314685702 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
> > > 10:16:09.072505 IP 10.0.0.30.2049 > 10.0.0.40.2314685702: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.091698 IP 10.0.0.40.2331462918 > 10.0.0.30.2049: 124 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46D0700
> > > 10:16:09.092022 IP 10.0.0.30.2049 > 10.0.0.40.2331462918: reply ok 11=
6 getattr REG 100644 ids 0/0 sz 1048576
> > > 10:16:09.128971 IP 10.0.0.40.2348240134 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
> > > 10:16:09.129304 IP 10.0.0.30.2049 > 10.0.0.40.2348240134: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.184155 IP 10.0.0.40.2365017350 > 10.0.0.30.2049: 124 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36D0700
> > > 10:16:09.184582 IP 10.0.0.30.2049 > 10.0.0.40.2365017350: reply ok 11=
6 getattr REG 100644 ids 0/0 sz 1048576
> > > 10:16:09.189234 IP 10.0.0.40.2381794566 > 10.0.0.30.2049: 116 lookup =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004=
"iso1"
> > > 10:16:09.189435 IP 10.0.0.30.2049 > 10.0.0.40.2381794566: reply ok 23=
2 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB000000010000000=
2000041ED
> > > 10:16:09.193476 IP 10.0.0.40.2398571782 > 10.0.0.30.2049: 104 getattr=
fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000F58896A884A0C62B7
> > > 10:16:09.193652 IP 10.0.0.30.2049 > 10.0.0.40.2398571782: reply ok 18=
8 getattr REG 2 ids 5/0 sz 0
> > > 10:16:09.194937 IP 10.0.0.40.2415348998 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E76D0700
> > > 10:16:09.195033 IP 10.0.0.30.2049 > 10.0.0.40.2415348998: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.195230 IP 10.0.0.40.2432126214 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E86D0700
> > > 10:16:09.323635 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2572 win 41=
6 <nop,nop,timestamp 753629 749566>
> > > 10:16:09.324345 IP 10.0.0.30.2049 > 10.0.0.40.2432126214: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.341475 IP 10.0.0.40.2448903430 > 10.0.0.30.2049: 128 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
> > > 10:16:09.341524 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2700 win 44=
9 <nop,nop,timestamp 753632 749707>
> > > 10:16:09.341928 IP 10.0.0.30.2049 > 10.0.0.40.2448903430: reply ok 18=
8 getattr REG 1 ids 1/0 sz 0
> > > 10:16:09.342117 IP 10.0.0.40.2465680646 > 10.0.0.30.2049: 124 getattr=
fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26D0700
> > > 10:16:09.343404 IP 10.0.0.30.2049 > 10.0.0.40.2465680646: reply ok 11=
6 getattr REG 100644 ids 0/0 sz 1048576
> > > 10:16:09.389316 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5573 win 21=
84 <nop,nop,timestamp 749751 753633>
> > > 10:16:13.449513 IP 10.0.0.40.2482457862 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219CB5
> > > 10:16:13.449815 IP 10.0.0.30.2049 > 10.0.0.40.2482457862: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:13.452344 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5689 win 21=
84 <nop,nop,timestamp 753943 754660>
> > > 10:16:13.453973 IP 10.0.0.40.2499235078 > 10.0.0.30.2049: 100 getattr=
fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB47219C8C0000000047219C8C
> > > 10:16:13.454154 IP 10.0.0.30.2049 > 10.0.0.40.2499235078: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:13.456194 IP 10.0.0.40.2516012294 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439647219C8C
> > > 10:16:13.456361 IP 10.0.0.30.2049 > 10.0.0.40.2516012294: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:13.458282 IP 10.0.0.40.2532789510 > 10.0.0.30.2049: 116 lookup =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000004=
"iso1"
> > > 10:16:13.458461 IP 10.0.0.30.2049 > 10.0.0.40.2532789510: reply ok 23=
2 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB000000010000000=
2000041ED
> > > 10:16:13.510637 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6153 win 21=
84 <nop,nop,timestamp 753985 754662>
> > > 10:16:14.030110 IP 10.0.0.40.2549566726 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.030927 IP 10.0.0.30.2049 > 10.0.0.40.2549566726: reply ok 12=
4 access c 0003
> > > 10:16:14.033436 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6277 win 21=
84 <nop,nop,timestamp 754548 754805>
> > > 10:16:14.034732 IP 10.0.0.40.2566343942 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> > > 10:16:14.034980 IP 10.0.0.30.2049 > 10.0.0.40.2566343942: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:14.037319 IP 10.0.0.40.2583121158 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.037486 IP 10.0.0.30.2049 > 10.0.0.40.2583121158: reply ok 12=
4 access c 0003
> > > 10:16:14.040323 IP 10.0.0.40.2599898374 > 10.0.0.30.2049: 132 readdir=
plus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000 512 bytes @ 0
> > > 10:16:14.040554 IP 10.0.0.30.2049 > 10.0.0.40.2599898374: reply ok 14=
48 readdirplus
> > > 10:16:14.041020 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply Unkno=
wn rpc response code=3D2021855861 340
> > > 10:16:14.043583 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8305 win 29=
08 <nop,nop,timestamp 754550 754808>
> > > 10:16:14.045104 IP 10.0.0.40.2616675590 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.045402 IP 10.0.0.30.2049 > 10.0.0.40.2616675590: reply ok 12=
4 access c 0003
> > > 10:16:14.047830 IP 10.0.0.40.2633452806 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.048039 IP 10.0.0.30.2049 > 10.0.0.40.2633452806: reply ok 12=
4 access c 0003
> > > 10:16:14.099385 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8553 win 29=
08 <nop,nop,timestamp 754592 754810>
> > > 10:16:14.293714 IP 10.0.0.40.2650230022 > 10.0.0.30.2049: 108 getattr=
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439600000000
> > > 10:16:14.294019 IP 10.0.0.30.2049 > 10.0.0.40.2650230022: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:14.297263 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8669 win 29=
08 <nop,nop,timestamp 754763 754871>
> > > 10:16:14.297272 IP 10.0.0.40.2667007238 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.297466 IP 10.0.0.30.2049 > 10.0.0.40.2667007238: reply ok 12=
4 access c 0003
> > > 10:16:14.297586 IP 10.0.0.40.2683784454 > 10.0.0.30.2049: 112 access =
fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000001F=
001f
> > > 10:16:14.297987 IP 10.0.0.30.2049 > 10.0.0.40.2683784454: reply ok 12=
4 access c 0003
> > > 10:16:14.301165 IP 10.0.0.40.2700561670 > 10.0.0.30.2049: 104 access =
fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000001F47219C8C00000000=
001f
> > > 10:16:14.301405 IP 10.0.0.30.2049 > 10.0.0.40.2700561670: reply ok 12=
4 access c 0003
> > > 10:16:14.351229 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9041 win 29=
08 <nop,nop,timestamp 754810 754873>
> > > 10:16:14.842633 IP 10.0.0.40.2717338886 > 10.0.0.30.2049: 100 getattr=
fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000047219C8C00000000
> > > 10:16:14.851711 IP 10.0.0.30.2049 > 10.0.0.40.2717338886: reply ok 11=
6 getattr DIR 40755 ids 0/0 sz 4096
> > > 10:16:14.856846 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9157 win 29=
08 <nop,nop,timestamp 755272 755008>
> > > =
> > > =
> > > > > does somebody have such setup up and running and can tell his dis=
tro / kernel and nfs-utils version ?
> > > > > maybe i change distro then.
> > > > =
> > > > I doubt that it is a distro-specific thing. As long as you have
> > > > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > > > set up yet, but it works fine on Debian/unstable for me.
> > > =
> > > ok, will try this on debian.
> > > =
> > > > Maybe try adding the "no_root_squash" export option.
> > > no difference
> > > =
> > > > What does "ls -l /export" on the server show?
> > > nothing unusual. no errors, just the dirs/mountpoints
> > > =
> > > Thanks for your help!
> > > =
> > > regards
> > > roland
> > > =
> > > =
> > > > =
> > > > On Saturday October 27, [email protected] wrote:
> > > > > Hello !
> > > > > =
> > > > > with 2.6.22 i`m trying to export loopback mounted iso-images.
> > > > > =
> > > > > this is /etc/exports:
> > > > > =
> > > > > /export *(ro,crossmnt,subtree_check)
> > > > =
> > > > I recommend replacing subtree_check with no_subtree_check, but it
> > > > shouldn't make an important difference in this case.
> > > > =
> > > > =
> > > > This should work with nfs-utils 1.1.0 or later. With earlier relea=
ses
> > > > you need to explicitly export the subordinate filesystems too.
> > > > =
> > > > > =
> > > > > in /export, i have loopback mounted iso-images
> > > > > =
> > > > > after mounting on the client side under /mnt (tried one older and=
one recent system) , i`m getting:
> > > > > =
> > > > > vmhost:/mnt # ls -la
> > > > > /bin/ls: iso1: Input/output error
> > > > > /bin/ls: iso2 Input/output error
> > > > > /bin/ls: iso3: Input/output error
> > > > > total 10128
> > > > > drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
> > > > > drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
> > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
> > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
> > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
> > > > > =
> > > > > vmhost:/mnt/iso1 # ls
> > > > > /bin/ls: .: Stale NFS file handle
> > > > > vmhost:/mnt/iso1 # ls -la
> > > > > /bin/ls: .: Input/output error
> > > > =
> > > > It is a little odd that the errors are inconsistent.
> > > > =
> > > > Can you find any log messages from mountd in syslog? What do they
> > > > say?
> > > > Also what does
> > > > cat /proc/fs/nfsd/exports
> > > > =
> > > > on the server show.
> > > > =
> > > > Finally, a tcpdump:
> > > > =
> > > > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > > > =
> > > > while you run the experiment might help.
> > > > =
> > > > > =
> > > > > i`m unsure if i should blame suse here (it`s an opensuse 10.3 box=
which seems to have nfs-utils 1.1.0)
> > > > > =
> > > > > does somebody have such setup up and running and can tell his dis=
tro / kernel and nfs-utils version ?
> > > > > maybe i change distro then.
> > > > =
> > > > I doubt that it is a distro-specific thing. As long as you have
> > > > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > > > set up yet, but it works fine on Debian/unstable for me.
> > > > =
> > > > Maybe try adding the "no_root_squash" export option.
> > > > What does "ls -l /export" on the server show?
> > > > =
> > > > NeilBrown
> > > > =
> > > =
> > > =
> > =
> > =
> > _____________________________________________________________________
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> =
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L2xpc3RpbmZvL25mcwo=
ok, i just wanted to tell that this isn`t the right way to go imho.
some time ago i have tested exporting a parent dir containing several loopb=
ack mounted iso images with some pre-1.1.0 nfs-utils version and it worked =
- so =EC wonder why it now seems to have issues as things should have gone =
stable.....
> -----Urspr=FCngliche Nachricht-----
> Von: "J. Bruce Fields" <[email protected]>
> Gesendet: 31.10.07 23:39:46
> An: [email protected]
> CC: [email protected], Neil Brown <[email protected]>
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> On Wed, Oct 31, 2007 at 11:19:43PM +0100, [email protected] wrote:
> > >If you add an explicit export for each one, =
> > you mean, i should export each of those ~500 loopback mounted iso image=
s ?
> > come on, that`s not what admins or users want, isn`t it ?
> =
> No, of course not; I was just suggesting it as a way to confirm that's
> where the problem is.
> =
> --b.
> =
> > =
> > > -----Urspr=FCngliche Nachricht-----
> > > Von: "J. Bruce Fields" <[email protected]>
> > > Gesendet: 31.10.07 21:58:00
> > > An: [email protected]
> > > CC: Neil Brown <[email protected]>, [email protected]
> > > Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> > =
> > =
> > > =
> > > On Wed, Oct 31, 2007 at 09:46:13PM +0100, [email protected] wrote:
> > > > hi !
> > > > =
> > > > i tried latest grml build (lenny/sid) as server today (suse 9.3 as =
client).
> > > > =
> > > > error still existing, but a little bit different:
> > > > =
> > > > if i cd to the loopback-mount dir`s on the client, i see the conten=
ts of the parent directory, i.e. i get a recursion.
> > > =
> > > That suggests something funky in the way we're identifying those
> > > filesystems in the filehandle. If you add an explicit export for each
> > > one, each with its own "fsid=3Dxyz" option (with xyz whatever positive
> > > integer you'd like, as long as it's difficult for export), does the
> > > problem go away??
> > > =
> > > --b.
> > > =
> > > > =
> > > > regards
> > > > roland
> > > > =
> > > > =
> > > > =
> > > > > -----Urspr=FCngliche Nachricht-----
> > > > > Von: [email protected]
> > > > > Gesendet: 30.10.07 21:05:56
> > > > > An: Neil Brown <[email protected]>
> > > > > CC: [email protected]
> > > > > Betreff: Re: [NFS] stale nfs file handle with exported loopback m=
ounts
> > > > =
> > > > =
> > > > > =
> > > > > > I recommend replacing subtree_check with no_subtree_check, but =
it
> > > > > > shouldn't make an important difference in this case.
> > > > > =
> > > > > ok, i leave it as is.
> > > > > =
> > > > > > This should work with nfs-utils 1.1.0 or later. With earlier r=
eleases
> > > > > > you need to explicitly export the subordinate filesystems too.
> > > > > > =
> > > > > =
> > > > > mhh - opensuse doesn`t have nfs-utils package, but it has nfs-cli=
ent-1.1.0-8 which looks like they repackaged nfs-utils 1.1.0
> > > > > =
> > > > > > It is a little odd that the errors are inconsistent.
> > > > > =
> > > > > ok, but only a minor issue, if an issue at all, isn`t it ?
> > > > > =
> > > > > > Can you find any log messages from mountd in syslog? What do t=
hey
> > > > > > say?
> > > > > =
> > > > > yes, on the client i`m getting :
> > > > > =
> > > > > Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13=
881)
> > > > > Jun 3 21:36:01 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > Jun 3 21:36:01 linux kernel: expected (0:11/0x2), got (0:11/0x13=
881)
> > > > > Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13=
881)
> > > > > Jun 3 21:36:17 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > Jun 3 21:36:17 linux kernel: expected (0:11/0x2), got (0:11/0x13=
881)
> > > > > Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > Jun 3 21:36:20 linux kernel: expected (0:11/0x2), got (0:11/0x13=
881)
> > > > > Jun 3 21:36:20 linux kernel: nfs_update_inode: inode number mism=
atch
> > > > > =
> > > > > =
> > > > > no error message on the server:
> > > > > Oct 26 10:09:31 opensuse103 mountd[4293]: authenticated unmount r=
equest from 10.0.0.40:1014 for /mnt (/mnt)
> > > > > Oct 26 10:10:07 opensuse103 mountd[4293]: authenticated mount req=
uest from 10.0.0.40:612 for /mnt (/mnt)
> > > > > Oct 26 10:10:43 opensuse103 mountd[4293]: authenticated unmount r=
equest from 10.0.0.40:623 for /mnt (/mnt)
> > > > > Oct 26 10:10:52 opensuse103 mountd[4293]: authenticated mount req=
uest from 10.0.0.40:624 for /mnt (/mnt)
> > > > > =
> > > > > > Also what does
> > > > > > cat /proc/fs/nfsd/exports
> > > > > > =
> > > > > > on the server show.
> > > > > =
> > > > > opensuse103:~ # cat /proc/fs/nfsd/exports
> > > > > # Version 1.1
> > > > > # Path Client(Flags) # IPs
> > > > > /mnt/iso1 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2=
c49fef2:ba464293:9b2bf2b8:322ccbcb)
> > > > > /mnt/iso3 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2=
7ae9c67:0b794b36:8b5e9e17:37b569eb)
> > > > > /mnt *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D08164ee4:=
2db141eb:ac961701:49c74396)
> > > > > /mnt/iso2 *(ro,no_root_squash,sync,wdelay,crossmnt,uuid=3D2=
aad6ea5:a05d4441:b94c48e6:e5d9981e)
> > > > > =
> > > > > =
> > > > > > Finally, a tcpdump:
> > > > > > =
> > > > > > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > > > > > =
> > > > > > while you run the experiment might help.
> > > > > =
> > > > > ah - this seems to give a hint, but i don`t have a clue why the s=
erver (10.0.0.30) is telling the client (10.0.0.40) a "RPC Version mismatch=
".
> > > > > I also tried --no-nfs-version 4 for rpc.mountd (setting in /etc/=
sysconfig/nfs), but this didn`t make a difference.
> > > > > =
> > > > > here is the tcpdump output - i did =
> > > > > =
> > > > > - mount
> > > > > - ls / ls -la / cd to subdirs
> > > > > =
> > > > > 10:15:06.480542 IP 10.0.0.40.0 > 10.0.0.30.2049: 0 null
> > > > > 10:15:06.480572 IP 10.0.0.30.2049 > 10.0.0.40.0: reply ERR 0: RPC=
Version mismatch (167772160-0)
> > > > > 10:15:06.480765 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2031114=
913 win 1460 <nop,nop,timestamp 686128 737918>
> > > > > 10:15:06.480821 IP 10.0.0.40.2079804678 > 10.0.0.30.2049: 108 fsi=
nfo fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD8=
1908
> > > > > 10:15:06.480833 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 108 win=
181 <nop,nop,timestamp 737918 686128>
> > > > > 10:15:06.513365 IP 10.0.0.30.2049 > 10.0.0.40.2079804678: reply o=
k 84 fsinfo rtmax 65536 rtpref 65536 wtmax 65536 wtpref 65536 dtpref 4096
> > > > > 10:15:06.514408 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 85 win =
1460 <nop,nop,timestamp 686160 737926>
> > > > > 10:15:06.514902 IP 10.0.0.40.2096581894 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743963CD=
81908
> > > > > 10:15:06.515256 IP 10.0.0.30.2049 > 10.0.0.40.2096581894: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:15:06.553865 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 201 win=
1460 <nop,nop,timestamp 686201 737926>
> > > > > 10:16:03.091784 IP 10.0.0.40.2113359110 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396472=
19C8C
> > > > > 10:16:03.093366 IP 10.0.0.30.2049 > 10.0.0.40.2113359110: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:03.096046 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 317 win=
1460 <nop,nop,timestamp 743610 752071>
> > > > > 10:16:03.097370 IP 10.0.0.40.2130136326 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:03.098156 IP 10.0.0.30.2049 > 10.0.0.40.2130136326: reply o=
k 124 access c 0003
> > > > > 10:16:03.156812 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 441 win=
1460 <nop,nop,timestamp 743651 752072>
> > > > > 10:16:08.967804 IP 10.0.0.40.2146913542 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000
> > > > > 10:16:08.968305 IP 10.0.0.30.2049 > 10.0.0.40.2146913542: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:08.974285 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 557 win=
1460 <nop,nop,timestamp 749477 753540>
> > > > > 10:16:08.975739 IP 10.0.0.40.2163690758 > 10.0.0.30.2049: 132 rea=
ddirplus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439=
600000000 512 bytes @ 0
> > > > > 10:16:08.975985 IP 10.0.0.30.2049 > 10.0.0.40.2163690758: reply o=
k 1448 readdirplus
> > > > > 10:16:08.976510 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply U=
nknown rpc response code=3D2021855861 340
> > > > > 10:16:08.982238 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 2345 wi=
n 2184 <nop,nop,timestamp 749479 753541>
> > > > > 10:16:08.984415 IP 10.0.0.40.2180467974 > 10.0.0.30.2049: 116 loo=
kup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
0004 "iso3"
> > > > > 10:16:08.984931 IP 10.0.0.30.2049 > 10.0.0.40.2180467974: reply o=
k 232 lookup fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB00000001000=
00002000041ED
> > > > > 10:16:09.008819 IP 10.0.0.40.2197245190 > 10.0.0.30.2049: 104 get=
attr fh Unknown/0100060027AE9C670B794B368B5E9E1737B569EB0000000FDD22CC3C700=
2F0AC
> > > > > 10:16:09.010946 IP 10.0.0.30.2049 > 10.0.0.40.2197245190: reply o=
k 188 getattr REG 2 ids 5/0 sz 0
> > > > > 10:16:09.032541 IP 10.0.0.40.2214022406 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E66=
D0700
> > > > > 10:16:09.033405 IP 10.0.0.30.2049 > 10.0.0.40.2214022406: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.033490 IP 10.0.0.40.2230799622 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E56=
D0700
> > > > > 10:16:09.036811 IP 10.0.0.30.2049 > 10.0.0.40.2230799622: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.037823 IP 10.0.0.40.2247576838 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000
> > > > > 10:16:09.039817 IP 10.0.0.30.2049 > 10.0.0.40.2247576838: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:09.040423 IP 10.0.0.40.2264354054 > 10.0.0.30.2049: 112 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
0000F
> > > > > 10:16:09.040856 IP 10.0.0.30.2049 > 10.0.0.40.2264354054: reply o=
k 188 getattr REG 2 ids 5/0 sz 0
> > > > > 10:16:09.041590 IP 10.0.0.40.2281131270 > 10.0.0.30.2049: 116 loo=
kup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
0004 "iso2"
> > > > > 10:16:09.041920 IP 10.0.0.30.2049 > 10.0.0.40.2281131270: reply o=
k 232 lookup fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E00000001000=
00002000041ED
> > > > > 10:16:09.049633 IP 10.0.0.40.2297908486 > 10.0.0.30.2049: 104 get=
attr fh Unknown/010006002AAD6EA5A05D4441B94C48E6E5D9981E0000000F5FDC8445432=
6E193
> > > > > 10:16:09.049781 IP 10.0.0.30.2049 > 10.0.0.40.2297908486: reply o=
k 188 getattr REG 2 ids 5/0 sz 0
> > > > > 10:16:09.063218 IP 10.0.0.40.2314685702 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46=
D0700
> > > > > 10:16:09.072505 IP 10.0.0.30.2049 > 10.0.0.40.2314685702: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.091698 IP 10.0.0.40.2331462918 > 10.0.0.30.2049: 124 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E46=
D0700
> > > > > 10:16:09.092022 IP 10.0.0.30.2049 > 10.0.0.40.2331462918: reply o=
k 116 getattr REG 100644 ids 0/0 sz 1048576
> > > > > 10:16:09.128971 IP 10.0.0.40.2348240134 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36=
D0700
> > > > > 10:16:09.129304 IP 10.0.0.30.2049 > 10.0.0.40.2348240134: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.184155 IP 10.0.0.40.2365017350 > 10.0.0.30.2049: 124 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E36=
D0700
> > > > > 10:16:09.184582 IP 10.0.0.30.2049 > 10.0.0.40.2365017350: reply o=
k 116 getattr REG 100644 ids 0/0 sz 1048576
> > > > > 10:16:09.189234 IP 10.0.0.40.2381794566 > 10.0.0.30.2049: 116 loo=
kup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
0004 "iso1"
> > > > > 10:16:09.189435 IP 10.0.0.30.2049 > 10.0.0.40.2381794566: reply o=
k 232 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB00000001000=
00002000041ED
> > > > > 10:16:09.193476 IP 10.0.0.40.2398571782 > 10.0.0.30.2049: 104 get=
attr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000F58896A884A0=
C62B7
> > > > > 10:16:09.193652 IP 10.0.0.30.2049 > 10.0.0.40.2398571782: reply o=
k 188 getattr REG 2 ids 5/0 sz 0
> > > > > 10:16:09.194937 IP 10.0.0.40.2415348998 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E76=
D0700
> > > > > 10:16:09.195033 IP 10.0.0.30.2049 > 10.0.0.40.2415348998: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.195230 IP 10.0.0.40.2432126214 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E86=
D0700
> > > > > 10:16:09.323635 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2572 wi=
n 416 <nop,nop,timestamp 753629 749566>
> > > > > 10:16:09.324345 IP 10.0.0.30.2049 > 10.0.0.40.2432126214: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.341475 IP 10.0.0.40.2448903430 > 10.0.0.30.2049: 128 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26=
D0700
> > > > > 10:16:09.341524 IP 10.0.0.30.2049 > 10.0.0.40.1022: . ack 2700 wi=
n 449 <nop,nop,timestamp 753632 749707>
> > > > > 10:16:09.341928 IP 10.0.0.30.2049 > 10.0.0.40.2448903430: reply o=
k 188 getattr REG 1 ids 1/0 sz 0
> > > > > 10:16:09.342117 IP 10.0.0.40.2465680646 > 10.0.0.30.2049: 124 get=
attr fh Unknown/01000702813801000000000008164EE42DB141EBAC96170149C74396E26=
D0700
> > > > > 10:16:09.343404 IP 10.0.0.30.2049 > 10.0.0.40.2465680646: reply o=
k 116 getattr REG 100644 ids 0/0 sz 1048576
> > > > > 10:16:09.389316 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5573 wi=
n 2184 <nop,nop,timestamp 749751 753633>
> > > > > 10:16:13.449513 IP 10.0.0.40.2482457862 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396472=
19CB5
> > > > > 10:16:13.449815 IP 10.0.0.30.2049 > 10.0.0.40.2482457862: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:13.452344 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 5689 wi=
n 2184 <nop,nop,timestamp 753943 754660>
> > > > > 10:16:13.453973 IP 10.0.0.40.2499235078 > 10.0.0.30.2049: 100 get=
attr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB47219C8C00000000472=
19C8C
> > > > > 10:16:13.454154 IP 10.0.0.30.2049 > 10.0.0.40.2499235078: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:13.456194 IP 10.0.0.40.2516012294 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396472=
19C8C
> > > > > 10:16:13.456361 IP 10.0.0.30.2049 > 10.0.0.40.2516012294: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:13.458282 IP 10.0.0.40.2532789510 > 10.0.0.30.2049: 116 loo=
kup fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
0004 "iso1"
> > > > > 10:16:13.458461 IP 10.0.0.30.2049 > 10.0.0.40.2532789510: reply o=
k 232 lookup fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB00000001000=
00002000041ED
> > > > > 10:16:13.510637 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6153 wi=
n 2184 <nop,nop,timestamp 753985 754662>
> > > > > 10:16:14.030110 IP 10.0.0.40.2549566726 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.030927 IP 10.0.0.30.2049 > 10.0.0.40.2549566726: reply o=
k 124 access c 0003
> > > > > 10:16:14.033436 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 6277 wi=
n 2184 <nop,nop,timestamp 754548 754805>
> > > > > 10:16:14.034732 IP 10.0.0.40.2566343942 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000
> > > > > 10:16:14.034980 IP 10.0.0.30.2049 > 10.0.0.40.2566343942: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:14.037319 IP 10.0.0.40.2583121158 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.037486 IP 10.0.0.30.2049 > 10.0.0.40.2583121158: reply o=
k 124 access c 0003
> > > > > 10:16:14.040323 IP 10.0.0.40.2599898374 > 10.0.0.30.2049: 132 rea=
ddirplus fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C7439=
600000000 512 bytes @ 0
> > > > > 10:16:14.040554 IP 10.0.0.30.2049 > 10.0.0.40.2599898374: reply o=
k 1448 readdirplus
> > > > > 10:16:14.041020 IP 10.0.0.30.2049 > 10.0.0.40.1684108288: reply U=
nknown rpc response code=3D2021855861 340
> > > > > 10:16:14.043583 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8305 wi=
n 2908 <nop,nop,timestamp 754550 754808>
> > > > > 10:16:14.045104 IP 10.0.0.40.2616675590 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.045402 IP 10.0.0.30.2049 > 10.0.0.40.2616675590: reply o=
k 124 access c 0003
> > > > > 10:16:14.047830 IP 10.0.0.40.2633452806 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.048039 IP 10.0.0.30.2049 > 10.0.0.40.2633452806: reply o=
k 124 access c 0003
> > > > > 10:16:14.099385 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8553 wi=
n 2908 <nop,nop,timestamp 754592 754810>
> > > > > 10:16:14.293714 IP 10.0.0.40.2650230022 > 10.0.0.30.2049: 108 get=
attr fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C74396000=
00000
> > > > > 10:16:14.294019 IP 10.0.0.30.2049 > 10.0.0.40.2650230022: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:14.297263 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 8669 wi=
n 2908 <nop,nop,timestamp 754763 754871>
> > > > > 10:16:14.297272 IP 10.0.0.40.2667007238 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.297466 IP 10.0.0.30.2049 > 10.0.0.40.2667007238: reply o=
k 124 access c 0003
> > > > > 10:16:14.297586 IP 10.0.0.40.2683784454 > 10.0.0.30.2049: 112 acc=
ess fh Unknown/01000700813801000000000008164EE42DB141EBAC96170149C743960000=
001F 001f
> > > > > 10:16:14.297987 IP 10.0.0.30.2049 > 10.0.0.40.2683784454: reply o=
k 124 access c 0003
> > > > > 10:16:14.301165 IP 10.0.0.40.2700561670 > 10.0.0.30.2049: 104 acc=
ess fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000001F47219C8C0000=
0000 001f
> > > > > 10:16:14.301405 IP 10.0.0.30.2049 > 10.0.0.40.2700561670: reply o=
k 124 access c 0003
> > > > > 10:16:14.351229 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9041 wi=
n 2908 <nop,nop,timestamp 754810 754873>
> > > > > 10:16:14.842633 IP 10.0.0.40.2717338886 > 10.0.0.30.2049: 100 get=
attr fh Unknown/010006002C49FEF2BA4642939B2BF2B8322CCBCB0000000047219C8C000=
00000
> > > > > 10:16:14.851711 IP 10.0.0.30.2049 > 10.0.0.40.2717338886: reply o=
k 116 getattr DIR 40755 ids 0/0 sz 4096
> > > > > 10:16:14.856846 IP 10.0.0.40.1022 > 10.0.0.30.2049: . ack 9157 wi=
n 2908 <nop,nop,timestamp 755272 755008>
> > > > > =
> > > > > =
> > > > > > > does somebody have such setup up and running and can tell his=
distro / kernel and nfs-utils version ?
> > > > > > > maybe i change distro then.
> > > > > > =
> > > > > > I doubt that it is a distro-specific thing. As long as you have
> > > > > > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > > > > > set up yet, but it works fine on Debian/unstable for me.
> > > > > =
> > > > > ok, will try this on debian.
> > > > > =
> > > > > > Maybe try adding the "no_root_squash" export option.
> > > > > no difference
> > > > > =
> > > > > > What does "ls -l /export" on the server show?
> > > > > nothing unusual. no errors, just the dirs/mountpoints
> > > > > =
> > > > > Thanks for your help!
> > > > > =
> > > > > regards
> > > > > roland
> > > > > =
> > > > > =
> > > > > > =
> > > > > > On Saturday October 27, [email protected] wrote:
> > > > > > > Hello !
> > > > > > > =
> > > > > > > with 2.6.22 i`m trying to export loopback mounted iso-images.
> > > > > > > =
> > > > > > > this is /etc/exports:
> > > > > > > =
> > > > > > > /export *(ro,crossmnt,subtree_check)
> > > > > > =
> > > > > > I recommend replacing subtree_check with no_subtree_check, but =
it
> > > > > > shouldn't make an important difference in this case.
> > > > > > =
> > > > > > =
> > > > > > This should work with nfs-utils 1.1.0 or later. With earlier r=
eleases
> > > > > > you need to explicitly export the subordinate filesystems too.
> > > > > > =
> > > > > > > =
> > > > > > > in /export, i have loopback mounted iso-images
> > > > > > > =
> > > > > > > after mounting on the client side under /mnt (tried one older=
and one recent system) , i`m getting:
> > > > > > > =
> > > > > > > vmhost:/mnt # ls -la
> > > > > > > /bin/ls: iso1: Input/output error
> > > > > > > /bin/ls: iso2 Input/output error
> > > > > > > /bin/ls: iso3: Input/output error
> > > > > > > total 10128
> > > > > > > drwxrwxrwt 18 root root 270336 Oct 26 08:45 .
> > > > > > > drwxrwxrwt 186 root root 20760 Oct 27 17:45 ..
> > > > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso1
> > > > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso2
> > > > > > > drwxr-xr-x 2 root root 16384 Jan 1 1970 iso3
> > > > > > > =
> > > > > > > vmhost:/mnt/iso1 # ls
> > > > > > > /bin/ls: .: Stale NFS file handle
> > > > > > > vmhost:/mnt/iso1 # ls -la
> > > > > > > /bin/ls: .: Input/output error
> > > > > > =
> > > > > > It is a little odd that the errors are inconsistent.
> > > > > > =
> > > > > > Can you find any log messages from mountd in syslog? What do t=
hey
> > > > > > say?
> > > > > > Also what does
> > > > > > cat /proc/fs/nfsd/exports
> > > > > > =
> > > > > > on the server show.
> > > > > > =
> > > > > > Finally, a tcpdump:
> > > > > > =
> > > > > > tcpdump -s 0 -w /tmp/tcpdump port 2049
> > > > > > =
> > > > > > while you run the experiment might help.
> > > > > > =
> > > > > > > =
> > > > > > > i`m unsure if i should blame suse here (it`s an opensuse 10.3=
box which seems to have nfs-utils 1.1.0)
> > > > > > > =
> > > > > > > does somebody have such setup up and running and can tell his=
distro / kernel and nfs-utils version ?
> > > > > > > maybe i change distro then.
> > > > > > =
> > > > > > I doubt that it is a distro-specific thing. As long as you have
> > > > > > nfs-utils-1.1.0 it should work. I don't have a 10.3 box
> > > > > > set up yet, but it works fine on Debian/unstable for me.
> > > > > > =
> > > > > > Maybe try adding the "no_root_squash" export option.
> > > > > > What does "ls -l /export" on the server show?
> > > > > > =
> > > > > > NeilBrown
> > > > > > =
> > > > > =
> > > > > =
> > > > =
> > > > =
> > > > ___________________________________________________________________=
__
> > > > Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu spare=
n!
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> > > > =
> > > > =
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> > > > https://lists.sourceforge.net/lists/listinfo/nfs
> > > =
> > =
> > =
> > _______________________________________________________________________=
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Hi Neil, =
as Andreas told that the kernel fix will be in one of the next openSuSE ker=
nel updates i`m wondering if that also applies to the mountd patch.
Will there be an update package for nfs-utils or is this just too minor iss=
ue for releasing an update package ?
regards
roland
> -----Urspr=FCngliche Nachricht-----
> Von: Neil Brown <[email protected]>
> Gesendet: 01.11.07 05:26:50
> An: [email protected]
> CC: "J. Bruce Fields" <[email protected]>, [email protected]
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> On Wednesday October 31, [email protected] wrote:
> > ok, i just wanted to tell that this isn`t the right way to go imho.
> > =
> > some time ago i have tested exporting a parent dir containing
> > several loopback mounted iso images with some pre-1.1.0 nfs-utils
> > version and it worked - so =EC wonder why it now seems to have issues
> > as things should have gone stable..... =
> =
> We have a way of breaking things sometimes.... It's called
> "progress". :-)
> =
> The short answer is that there is a bug in mountd which is fixed by
> this patch:
> =
> diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
> index ce1a5a9..fd317cd 100644
> --- a/utils/mountd/cache.c
> +++ b/utils/mountd/cache.c
> @@ -508,7 +508,7 @@ void nfsd_fh(FILE *f)
> */
> qword_printint(f, 0x7fffffff);
> if (found)
> - qword_print(f, found->e_path);
> + qword_print(f, found_path);
> qword_eol(f);
> out:
> free(found_path);
> =
> =
> The longer answer is that there is also a bug in "mount.nfs" which is
> unrelated but was slowing me down in chasing this bug, and there is
> also a bug in the NFS client which was causing my client oops and need
> a reboot every time I triggered this bug in mountd, which further
> slowed me down.
> =
> The effect of this bug in mountd is that when the NFS client calls
> GETATTR on the root of the subordinate filesystem (e.g. your
> loop-mounted isos), it got attr information about the parent. ie. the
> top-level exported filesystem (/export in your case I think).
> This has a different 'fsid' than the nfs client was expecting and
> the NFS client got confused in various ways.
> =
> Thanks for your problem report - it helped find 3 bugs!
> =
> I'll get proper patches or bug report off to the relevant maintainers
> shortly.
> =
> NeilBrown
> =
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hi!
it seems i was having weird mail problems with sending mails trough my webm=
ailer - at least two followups with attachments seem to be lost on sending =
and are not in my sent folder anymore....
anyway - here is a second try, but probably worse than what i have written =
before :)
first off, thanks for the patch Neil, things look _much_ better now and exp=
orting loopback mounts now basiscally works again.
nice to see that my posting helped finding bugs.
maybe i have two more bugs for you :)
i have loopback mounts on the server and exported the parent dir with cross=
mnt option.
after mounting for the first time on the client, i`m getting "Invalid argum=
ent" for each loopback-mounted dir, if i do an ls -la on /mnt.
this only happens _once_ and seems to be a server problem, because i can re=
boot the client and remount , i never see that errors again.
besides that, all seems to work fine.
as neil suggested, i have made a tcpdump of this available at:
http://82.141.46.148/bugs/nfs/tcpdump.out.bz2
furthermore, there is a very strange performance issue i was able to track =
down to uuid/blkid support.
i recognized this issue when i exported a directory containing a very large=
number of loopback mounts via crossmnt export option.
ls -la on the clients mountpoint seemed to hung and i could see mountd bein=
g busy, eating 100% cpu for quite a while.
the time needed for ls to finish seems to grow exponentially with the numbe=
r of loopback-mounts inside the exported directory - i also tried with 1000=
loopback mounts and mountd being busy for several minutes with this.
i have made a strace of mountd available at:
http://82.141.46.148/bugs/nfs/mountd.strace.txt.bz2
you can see that mountd seems to be busy doing the same things over and ove=
r again, looks that it does stat64() for all devices in /etc/blkid.tab for =
each loopback mount, weird.
here is some "strace -c -p $PID_OF_MOUNTD" for comparison - without uuid/b=
lkid support compiled in it looks like this:
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
73.23 0.147722 2 66313 stat64
10.37 0.020923 20 1031 write
5.54 0.011179 23 494 select
3.82 0.007699 5 1546 read
3.04 0.006137 8 773 time
2.18 0.004393 6 769 lstat64
1.08 0.002182 4 519 munmap
0.40 0.000797 1 1035 close
0.29 0.000594 1 1034 open
0.04 0.000089 0 1036 fstat64
0.00 0.000000 0 2 alarm
0.00 0.000000 0 3 _llseek
0.00 0.000000 0 1 fdatasync
0.00 0.000000 0 2 poll
0.00 0.000000 0 2 rt_sigaction
0.00 0.000000 0 521 mmap2
0.00 0.000000 0 2 fcntl64
0.00 0.000000 0 1 socket
0.00 0.000000 0 1 connect
0.00 0.000000 0 1 accept
0.00 0.000000 0 2 send
------ ----------- ----------- --------- --------- ----------------
100.00 0.201715 75088 total
this is an strace -c when uuid/blkid support is being compiled in:
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
61.64 1.008158 2 550916 stat64
21.67 0.354441 9 37662 read
5.65 0.092476 15 6377 getdents64
4.06 0.066381 3 21395 8232 open
1.62 0.026485 2 13169 fstat64
1.36 0.022237 2 13164 close
1.22 0.020025 2 8414 lstat64
1.15 0.018805 4 4415 munmap
0.27 0.004382 17 258 rename
0.26 0.004329 17 258 unlink
0.26 0.004305 2 2101 write
0.23 0.003786 1 4380 fcntl64
0.18 0.002899 11 262 select
0.18 0.002883 11 258 access
0.11 0.001857 0 4417 mmap2
0.11 0.001765 0 4652 time
0.01 0.000237 1 258 link
0.00 0.000041 0 258 lseek
0.00 0.000000 0 2 alarm
0.00 0.000000 0 2 brk
0.00 0.000000 0 1 gettimeofday
0.00 0.000000 0 258 fchmod
0.00 0.000000 0 265 _llseek
0.00 0.000000 0 1 fdatasync
0.00 0.000000 0 2 poll
0.00 0.000000 0 1 prctl
0.00 0.000000 0 2 rt_sigaction
0.00 0.000000 0 1 getuid32
0.00 0.000000 0 1 getgid32
0.00 0.000000 0 1 geteuid32
0.00 0.000000 0 1 getegid32
0.00 0.000000 0 1 futex
0.00 0.000000 0 1 socket
0.00 0.000000 0 1 connect
0.00 0.000000 0 1 accept
0.00 0.000000 0 2 send
------ ----------- ----------- --------- --------- ----------------
100.00 1.635492 673158 8232 total
=
as you can see there is an unusual high number of stat64() calls
server is opensuse 10.3 , client is suse 9.3 professional
if i can help resolving this issue, tell me what to do :)
regards
roland
> -----Urspr=FCngliche Nachricht-----
> Von: Neil Brown <[email protected]>
> Gesendet: 01.11.07 05:26:50
> An: [email protected]
> CC: "J. Bruce Fields" <[email protected]>, [email protected]
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> On Wednesday October 31, [email protected] wrote:
> > ok, i just wanted to tell that this isn`t the right way to go imho.
> > =
> > some time ago i have tested exporting a parent dir containing
> > several loopback mounted iso images with some pre-1.1.0 nfs-utils
> > version and it worked - so =EC wonder why it now seems to have issues
> > as things should have gone stable..... =
> =
> We have a way of breaking things sometimes.... It's called
> "progress". :-)
> =
> The short answer is that there is a bug in mountd which is fixed by
> this patch:
> =
> diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
> index ce1a5a9..fd317cd 100644
> --- a/utils/mountd/cache.c
> +++ b/utils/mountd/cache.c
> @@ -508,7 +508,7 @@ void nfsd_fh(FILE *f)
> */
> qword_printint(f, 0x7fffffff);
> if (found)
> - qword_print(f, found->e_path);
> + qword_print(f, found_path);
> qword_eol(f);
> out:
> free(found_path);
> =
> =
> The longer answer is that there is also a bug in "mount.nfs" which is
> unrelated but was slowing me down in chasing this bug, and there is
> also a bug in the NFS client which was causing my client oops and need
> a reboot every time I triggered this bug in mountd, which further
> slowed me down.
> =
> The effect of this bug in mountd is that when the NFS client calls
> GETATTR on the root of the subordinate filesystem (e.g. your
> loop-mounted isos), it got attr information about the parent. ie. the
> top-level exported filesystem (/export in your case I think).
> This has a different 'fsid' than the nfs client was expecting and
> the NFS client got confused in various ways.
> =
> Thanks for your problem report - it helped find 3 bugs!
> =
> I'll get proper patches or bug report off to the relevant maintainers
> shortly.
> =
> NeilBrown
> =
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https://lists.sourceforge.net/lists/listinfo/nfs
On Fri, Nov 02, 2007 at 08:06:58PM +0100, [email protected] wrote:
> hi!
>
> it seems i was having weird mail problems with sending mails trough my webmailer - at least two followups with attachments seem to be lost on sending and are not in my sent folder anymore....
>
> anyway - here is a second try, but probably worse than what i have written before :)
>
>
> first off, thanks for the patch Neil, things look _much_ better now and exporting loopback mounts now basiscally works again.
> nice to see that my posting helped finding bugs.
>
> maybe i have two more bugs for you :)
>
> i have loopback mounts on the server and exported the parent dir with crossmnt option.
>
> after mounting for the first time on the client, i`m getting "Invalid argument" for each loopback-mounted dir, if i do an ls -la on /mnt.
> this only happens _once_ and seems to be a server problem, because i can reboot the client and remount , i never see that errors again.
>From a quick look at the trace (thanks)--there's some getacl calls that
return EINVAL, then a few milliseconds later a second reply returns with
the original data. That looks suspiciously like a reply being sent when
the request was also deferred pending the upcall to deal with the newly
encountered filesystem. Sure enough, in
fs/nfs/nfs3acl.c:nfsd3_proc_getacl(), there's
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
RETURN_STATUS(nfserr_inval);
Change that nfserr_inval to an nfserr (here and in
fs/nfs/nfs2acl.c:nfsd_proc_getacl()), and maybe the problem will go
away.
--b.
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On Fri, Nov 02, 2007 at 03:23:17PM -0400, J. Bruce Fields wrote:
> On Fri, Nov 02, 2007 at 08:06:58PM +0100, [email protected] wrote:
> > hi!
> >
> > it seems i was having weird mail problems with sending mails trough my webmailer - at least two followups with attachments seem to be lost on sending and are not in my sent folder anymore....
> >
> > anyway - here is a second try, but probably worse than what i have written before :)
> >
> >
> > first off, thanks for the patch Neil, things look _much_ better now and exporting loopback mounts now basiscally works again.
> > nice to see that my posting helped finding bugs.
> >
> > maybe i have two more bugs for you :)
> >
> > i have loopback mounts on the server and exported the parent dir with crossmnt option.
> >
> > after mounting for the first time on the client, i`m getting "Invalid argument" for each loopback-mounted dir, if i do an ls -la on /mnt.
> > this only happens _once_ and seems to be a server problem, because i can reboot the client and remount , i never see that errors again.
>
> >From a quick look at the trace (thanks)--there's some getacl calls that
> return EINVAL, then a few milliseconds later a second reply returns with
> the original data. That looks suspiciously like a reply being sent when
> the request was also deferred pending the upcall to deal with the newly
> encountered filesystem. Sure enough, in
> fs/nfs/nfs3acl.c:nfsd3_proc_getacl(), there's
>
> if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
> RETURN_STATUS(nfserr_inval);
>
> Change that nfserr_inval to an nfserr (here and in
> fs/nfs/nfs2acl.c:nfsd_proc_getacl()), and maybe the problem will go
> away.
(I've been seeing some odd spurious replayed replies in the nfsv4 case
as well, by the way--I suspect it's a similar problem, but haven't had
the chance to track it down yet....)
--b.
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so, you mean this is a problem of the client or some "fix it at the client =
end" ?
that would be bad, since it would mean i need to touch all our linux system=
s which want to access our next-generation :) cd-rom server.... =
anyway =
> > > after mounting for the first time on the client, i`m getting "Invalid=
argument" for each loopback-mounted dir, if i do an ls -la on /mnt.
> > > this only happens _once_ and seems to be a server problem, because i =
can reboot the client and remount , i never see that errors again.
wondering, why doesn`t it happen again, even if i reboot the client.....
regards
roland
> -----Urspr=FCngliche Nachricht-----
> Von: "J. Bruce Fields" <[email protected]>
> Gesendet: 02.11.07 20:24:52
> An: [email protected]
> CC: Neil Brown <[email protected]>, [email protected]
> Betreff: Re: [NFS] stale nfs file handle with exported loopback mounts
> =
> On Fri, Nov 02, 2007 at 03:23:17PM -0400, J. Bruce Fields wrote:
> > On Fri, Nov 02, 2007 at 08:06:58PM +0100, [email protected] wrote:
> > > hi!
> > > =
> > > it seems i was having weird mail problems with sending mails trough m=
y webmailer - at least two followups with attachments seem to be lost on se=
nding and are not in my sent folder anymore....
> > > =
> > > anyway - here is a second try, but probably worse than what i have wr=
itten before :)
> > > =
> > > =
> > > first off, thanks for the patch Neil, things look _much_ better now a=
nd exporting loopback mounts now basiscally works again.
> > > nice to see that my posting helped finding bugs.
> > > =
> > > maybe i have two more bugs for you :)
> > > =
> > > i have loopback mounts on the server and exported the parent dir with=
crossmnt option.
> > > =
> > > after mounting for the first time on the client, i`m getting "Invalid=
argument" for each loopback-mounted dir, if i do an ls -la on /mnt.
> > > this only happens _once_ and seems to be a server problem, because i =
can reboot the client and remount , i never see that errors again.
> > =
> > >From a quick look at the trace (thanks)--there's some getacl calls that
> > return EINVAL, then a few milliseconds later a second reply returns with
> > the original data. That looks suspiciously like a reply being sent when
> > the request was also deferred pending the upcall to deal with the newly
> > encountered filesystem. Sure enough, in
> > fs/nfs/nfs3acl.c:nfsd3_proc_getacl(), there's
> > =
> > if ((nfserr =3D fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
> > RETURN_STATUS(nfserr_inval);
> > =
> > Change that nfserr_inval to an nfserr (here and in
> > fs/nfs/nfs2acl.c:nfsd_proc_getacl()), and maybe the problem will go
> > away.
> =
> (I've been seeing some odd spurious replayed replies in the nfsv4 case
> as well, by the way--I suspect it's a similar problem, but haven't had
> the chance to track it down yet....)
> =
> --b.
> =
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On Fri, Nov 02, 2007 at 08:37:12PM +0100, [email protected] wrote:
> so, you mean this is a problem of the client or some "fix it at the
> client end" ?
>
> that would be bad, since it would mean i need to touch all our linux
> systems which want to access our next-generation :) cd-rom server....
No, it's definitely a server-side problem. Oh, I see, I miswrote the
path; I meant fs/nfsd/nfs3acl.c, not fs/nfs/nfs3acl.c....
How about this?
--b.
>From 7fc982f90d404003329934ae3b786c5e4efb0c0a Mon Sep 17 00:00:00 2001
From: J. Bruce Fields <[email protected]>
Date: Fri, 2 Nov 2007 15:36:08 -0400
Subject: [PATCH] knfsd: fix spurious EINVAL errors on first access of new filesystem
The v2/v3 acl code in nfsd is translating any return from fh_verify() to
nfserr_inval. This is particularly unfortunate in the case of an
nfserr_dropit return, which is an internal error meant to indicate to
callers that this request has been deferred and should just be dropped
pending the results of an upcall to mountd.
Thanks to Roland <[email protected]> for bug report and data collection.
Cc: Roland <[email protected]>
Cc: Andreas Gruenbacher <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
---
fs/nfsd/nfs2acl.c | 2 +-
fs/nfsd/nfs3acl.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index bb3e188..d5fca59 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -41,7 +41,7 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
fh = fh_copy(&resp->fh, &argp->fh);
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 3e3f2de..7cb39e7 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -40,7 +40,7 @@ static __be32 nfsd3_proc_getacl(struct svc_rqst * rqstp,
RETURN_STATUS(nfserr_inval);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
resp->mask = argp->mask;
if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
--
1.5.3.4.208.gc990
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Oops--thanks to Roland for pointing out a mistake in the nfs3acl.c piece
of the previous version of this patch.
--b.
>From c5ac46d1b7022f726606f92033bebd9fdc6ae343 Mon Sep 17 00:00:00 2001
From: J. Bruce Fields <[email protected]>
Date: Fri, 2 Nov 2007 15:36:08 -0400
Subject: [PATCH] knfsd: fix spurious EINVAL errors on first access of new filesystem
The v2/v3 acl code in nfsd is translating any return from fh_verify() to
nfserr_inval. This is particularly unfortunate in the case of an
nfserr_dropit return, which is an internal error meant to indicate to
callers that this request has been deferred and should just be dropped
pending the results of an upcall to mountd.
Thanks to Roland <[email protected]> for bug report and data collection.
Cc: Roland <[email protected]>
Cc: Andreas Gruenbacher <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
---
fs/nfsd/nfs2acl.c | 2 +-
fs/nfsd/nfs3acl.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index bb3e188..d5fca59 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -41,7 +41,7 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
fh = fh_copy(&resp->fh, &argp->fh);
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 3e3f2de..b647f2f 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -37,7 +37,7 @@ static __be32 nfsd3_proc_getacl(struct svc_rqst * rqstp,
fh = fh_copy(&resp->fh, &argp->fh);
if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
- RETURN_STATUS(nfserr_inval);
+ RETURN_STATUS(nfserr);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
--
1.5.3.5.475.g477d-dirty
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Thanks for the catch, Bruce.
Signed-off-by: Andreas Gruenbacher <[email protected]>
Andreas
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