From: Dan Stromberg <strombrg@dcs.nac.uci.edu>
Subject: FC2 NFS server + Solaris 9 4/04 strange permissions problem
Date: Tue, 05 Oct 2004 10:15:44 -0700
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <1096996544.4460.769.camel@tesuji.nac.uci.edu>
Mime-Version: 1.0
Content-Type: text/plain
Cc: Dan Stromberg <strombrg@dcs.nac.uci.edu>
To: nfs@lists.sourceforge.net
Errors-To: nfs-admin@lists.sourceforge.net


On an FC2 system, I'm:

1) loopback mounting a .iso, with the following options from "mount":
	/tmp/sol-8-hw4-sparc-v1.iso on /mnt/loop type iso9660
	(ro,loop=/dev/loop0)
2) Turning off iptables
3) sharing out the loopback mount over NFS, with the following
/etc/exports entry:
	/mnt/loop autoinst.nacs.uci.edu(ro,insecure,no_root_squash)

Then on the Solaris 9 4/04 system, I:

1) Mount the loopback filesystem, with the following attributes from the
"mount| grep /mnt" command:
	remote/read only/setuid/xattr/dev=430003c
2) Run a:
	find . -depth -print  | cpio -pdmu /some/local/dir

...and when I do this, most files are copied fine, however a small
number of them give 'cpio: Error with fstatat() of
"Product/SUNWxwfnt/reloc/openwin/bin", errno 13, Permission denied'
errors.

I suspect that it isn't the same files giving this errror every time.

To make matters more perplexing, every time I do such a find | cpio, I
get errors, but when I ls these directories, I do Not Get Consistent
Behavior.  Sometimes I see:
	ls -ld ./Product/SUNW1251f/reloc/usr/bin
	./Product/SUNW1251f/reloc/usr/bin: Permission denied
...while other times I see:
	ls -ld ./Product/SUNW1251f/reloc/usr/bin
drwxr-xr-x   2 root     other       2048 Jan  8  2004
./Product/SUNW1251f/reloc/usr/bin


Has anyone else encountered this?

Has anyone come across a solution?

Should I just stop using the loopback mounts, and burn some CD-R's?  :)


Thanks!

-- 
Dan Stromberg DCS/NACS/UCI <strombrg@dcs.nac.uci.edu>


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