Hi.
I hope its not a total stupid question...
...but I tried... read man-pages, searched on google...
So here is the situation:
nfs-server: FILESERVER = 10.10.10.3 = linux debian stable + security + backports
root@FILESERVER:~# uname -a
Linux FILESERVER 2.6.4 #1 Mon Mar 22 13:35:27 CET 2004 i686 unknown
root@FILESERVER:~# dpkg -l|grep nfs
ii nfs-common 1.0-2woody1 NFS support files common to client and serve
ii nfs-kernel-ser 1.0-2woody1 Kernel NFS server support
root@FILESERVER:~# cat /usr/src/linux/.config|grep -i nfs
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V4 is not set
# CONFIG_NFSD_TCP is not set
root@FILESERVER:~# rpcinfo -p
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 1024 status
100024 1 tcp 1024 status
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100021 1 udp 1026 nlockmgr
100021 3 udp 1026 nlockmgr
100021 4 udp 1026 nlockmgr
100005 1 udp 4002 mountd
100005 1 tcp 4002 mountd
100005 2 udp 4002 mountd
100005 2 tcp 4002 mountd
100005 3 udp 4002 mountd
100005 3 tcp 4002 mountd
root@FILESERVER:~# cat /etc/exports
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
#
# rw = read AND write access (instead of ro)
# sync = new default (instead of async) (without it always gives a warn-message)
# root_squash = while mounting the user ID of 'root' on the nfs client
# is replaced with ID of 'nobody' on the nfs SERVER
# nosuid = prevents files with suid bits set on the nfs SERVER from being executed
# noexec = disables any file execution at all
/mnt/data 10.10.10.10(rw,sync,root_squash)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
nfs-client: jolie = 10.10.10.10 = linux debian unstable installation
jolie:/mnt# uname -a
Linux jolie 2.6.3 #3 Thu Mar 4 01:18:21 CET 2004 i686 GNU/Linux
jolie:/mnt# dpkg -l|grep nfs
ii nfs-common 1.0.6-1 NFS support files common to client and serve
ii nfs-kernel-ser 1.0.6-1 Kernel NFS server support
jolie:/mnt# cat /usr/src/linux/.config|grep -i nfs
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V4 is not set
# CONFIG_NFSD_TCP is not set
jolie:/mnt# rpcinfo -p
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100021 1 udp 32770 nlockmgr
100021 3 udp 32770 nlockmgr
100021 4 udp 32770 nlockmgr
100005 1 udp 4002 mountd
100005 1 tcp 4002 mountd
100005 2 udp 4002 mountd
100005 2 tcp 4002 mountd
100005 3 udp 4002 mountd
100005 3 tcp 4002 mountd
100024 1 udp 877 status
100024 1 tcp 880 status
jolie:/mnt# cat /etc/fstab |grep nfs
10.10.10.3:/mnt/data /mnt/lauschers-data nfs defaults,noauto,user,rsize=8192,wsize=8192 0 0
me@jolie:/mnt$ ls -l -d /mnt/lauschers-data/
drwxr-x--- 18 me mine 4096 Mar 22 12:26 /mnt/lauschers-data/
me@jolie:/mnt$ mount -v /mnt/lauschers-data/
10.10.10.3:/mnt/data on /mnt/lauschers-data type nfs (rw,noexec,nosuid,nodev,rsize=8192,wsize=8192,addr=10.10.10.3,user=me)
me@jolie:/mnt$
me@jolie:/mnt$ ls -l -d /mnt/lauschers-data/
drwxr-x--- 18 me mine 4096 Mar 22 12:26 /mnt/lauschers-data/
me@jolie:/mnt$ ls -l /mnt/lauschers-data/|grep uni
drwxr-xr-x 9 me mine 4096 Dec 24 00:54 uni
me@jolie:/mnt$ groups
mine root adm disk lp dialout cdrom floppy audio www-data src video prg data mp3 maildata newmp3 wg users lpadmin
me@jolie:/mnt$ chown me:users /mnt/lauschers-data/uni/
chown: changing ownership of `/mnt/lauschers-data/uni/': Operation not permitted
And last but not least I also checked:
jolie:/etc# diff /etc/group /etc/group.FILESERVER
jolie:/etc#
jolie:/etc# diff /etc/passwd /etc/passwd.FILESERVER
jolie:/etc#
WHY???????
--> Or is it that a normal user is not allowed in general to chown over nfs???
--> Or would nfs4 be a solution???
Any help is very appreciated!
By the way: In which state is nfs v4? - Its already more or less usable? <<< because from time to time I am looking at http://www.nfsv4.org, but there is sadly nothing written about the state of development of nfsv4...
Greetings
Knuth Posern.
P.S.: I hope I forgot no information... ;-)
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On Mon, Mar 22, 2004 at 03:39:22PM +0100, [email protected] wrote:
> me@jolie:/mnt$ groups
> mine root adm disk lp dialout cdrom floppy audio www-data src video
> prg data mp3 maildata newmp3 wg users lpadmin
You have too many groups. SunRPC AUTH_UNIX authentication will transport
up to 16 groups, and "users" is item #19 in your list. "chgrp mp3"
would probably work, but users doesn't because the NFS server doesn't
see it in your list of groups.
Olaf
--
Olaf Kirch | Stop wasting entropy - start using predictable
[email protected] | tempfile names today!
---------------+
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Hi Andries,
As the limitation on the number of auxiliary groups obviously
baffles people again and again, I thought it might be useful
to document this limitation in nfs(5).
Please find attached a small patch to nfs.5 that adds a small
section on NFS authentication. It also updates the manpage
slightly: cto and tcp are implemented now, and broken_suid
was missing.
Cheers,
Olaf
--
Olaf Kirch | Stop wasting entropy - start using predictable
[email protected] | tempfile names today!
---------------+
On Mon, Mar 22, 2004 at 03:39:22PM +0100, [email protected] wrote:
> By the way: In which state is nfs v4? - Its already more or less
> usable? <<< because from time to time I am looking at http://www.nfsv4.org,
> but there is sadly nothing written about the state of development of
> nfsv4...
That website is for everyone involved in nfsv4, not just the linux
implementors. For linux, you want:
http://www.citi.umich.edu/projects/nfsv4/linux/
Bug reports welcomed, to [email protected].
Still marked experimental, but should do everything v3 does with a few
exceptions (e.g., reboot recovery, at least on the server side, is still
work in progress).
--Bruce Fields
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On Mon, Mar 22, 2004 at 04:06:43PM +0100, Olaf Kirch wrote:
> On Mon, Mar 22, 2004 at 03:39:22PM +0100, [email protected] wrote:
> > me@jolie:/mnt$ groups
> > mine root adm disk lp dialout cdrom floppy audio www-data src video
> > prg data mp3 maildata newmp3 wg users lpadmin
>
> You have too many groups. SunRPC AUTH_UNIX authentication will transport
> up to 16 groups, and "users" is item #19 in your list. "chgrp mp3"
> would probably work, but users doesn't because the NFS server doesn't
> see it in your list of groups.
The Linux 2.4 NFS client patch to bypass this limitation can be found here:
http://frankvm.xs4all.nl/nfs-ngroups/
--
Frank
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