[Samba] Exporting a nfs mount => A bad idea?

[Carsten Springenberg]

Hello list,

since noone answered to my mail below and because of further 
investigations I've got this simple question:

Is exporting a nfs mount a bad idea?

Thanks in advance,

Carsten


Carsten Springenberg schrieb:
> Hello list,
> 
> I've got a problem concerning locking of files with a share on a nfs 
> mounted NAS.
> 
> samba server is 2.2.8a installed from SuSE-RPMs
> 
> the NAS is mounted with following line in fstab:
> 
> <IP-Number>:/vgroup00/data02/data /mnt/nas01    nfs 
> rsize=8192,wsize=8192,soft      0 0
> 
> I tried to save a file from word which lead to a aprox. 1 minute hang of 
> my Win2k/SP3. The log of the machine showed following lines:
> 
> 
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(657)
>   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 
> returned
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(658)
>   an No locks available error. This can happen when using 64 bit lock 
> offsets
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(659)
>   on 32 bit NFS mounted file systems.
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(657)
>   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 
> returned
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(658)
>   an No locks available error. This can happen when using 64 bit lock 
> offsets
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(659)
>   on 32 bit NFS mounted file systems.
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(657)
>   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 
> returned
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(658)
>   an No locks available error. This can happen when using 64 bit lock 
> offsets
> [2003/11/11 10:20:36, 0] locking/posix.c:posix_fcntl_lock(659)
>   on 32 bit NFS mounted file systems.
> [2003/11/11 10:21:06, 0] smbd/oplock.c:oplock_break(797)
>   oplock_break: receive_smb timed out after 30 seconds.
>   oplock_break failed for file Projekte/Ranking 
> Internetauftritt/Rankingproblem.doc (dev = a, inode = 1107435404, file_i
> d = 12439).
> [2003/11/11 10:21:06, 0] smbd/oplock.c:oplock_break(869)
>   oplock_break: client failure in oplock break in file Projekte/Ranking 
> Internetauftritt/Rankingproblem.doc
> 
> 
> What can I do? How can I mount a nfs on 64 bit? Or can I change samba to 
> use 32 bit lock offsets on this particular share? Any ideas?
> 
> Thanks in advance,
> 
> Carsten
> 
>