From: Dan Stromberg <strombrg@dcs.nac.uci.edu>
Subject: Re: FC2 NFS server + Solaris 9 4/04 strange permissions problem
Date: Fri, 08 Oct 2004 13:16:38 -0700
Sender: nfs-admin@lists.sourceforge.net
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Cc: Dan Stromberg <strombrg@dcs.nac.uci.edu>
To: nfs@lists.sourceforge.net
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There must be something about the combination of iso9660, loopback
mounting, and NFS, because when I did a tar pipeline to copy the
loopback mount into ext3, I was then able to NFS mount that onto the
same sun from the same NFS server, and all was well.

Thanks.

On Tue, 2004-10-05 at 10:15, Dan Stromberg wrote:
> On an FC2 system, I'm:
>=20
> 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=3D/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)
>=20
> Then on the Solaris 9 4/04 system, I:
>=20
> 1) Mount the loopback filesystem, with the following attributes from the
> "mount| grep /mnt" command:
> 	remote/read only/setuid/xattr/dev=3D430003c
> 2) Run a:
> 	find . -depth -print  | cpio -pdmu /some/local/dir
>=20
> ...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.
>=20
> I suspect that it isn't the same files giving this errror every time.
>=20
> 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
>=20
>=20
> Has anyone else encountered this?
>=20
> Has anyone come across a solution?
>=20
> Should I just stop using the loopback mounts, and burn some CD-R's?  :)
>=20
>=20
> Thanks!
--=20
Dan Stromberg DCS/NACS/UCI <strombrg@dcs.nac.uci.edu>


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