Hi Darrel.
The first thing I would suggest is to do a "modinfo cifs" and see
which
version you're using. (It should be on the second row). I had a similar
problem a few months ago-I have a script which mounts a CIFS share every few
minutes, then does an rsync to a distant end Linux server.
I was using version 1.50RH, if I'm not mistaken. I actually had to reboot my
Linux server every time I had the problem.
I solved it (with the help of Steve French) by upgrading my kernel. A newer
CIFS module might solve your issue; Steve told me that 1.56 is more robust.
I'm not sure about 1.54 and 1.55, but they may be better also.
-----Original Message-----
From: samba-bounces+william.m.dorrian=usace.army.mil@lists.samba.org
[mailto:samba-bounces+william.m.dorrian=usace.army.mil@lists.samba.org] On
Behalf Of Darrel Barton
Sent: Tuesday, April 14, 2009 1:45 PM
To: samba@lists.samba.org
Subject: [Samba] CIFS hang
I have a Proliant running Red Hat with the 2.6.9-5.ELsmp kernel.
We have a Windows 2000 Server who's secondary disc drive is mounted on the
Linux box via CIFS using the following command:
/sbin/mount.cifs //w2000/docs /var/www/documents -o
dir_mode=0777,file_mode=0444,gid=100,uid=501,username=winuser,password=winpas
s
From time to time, for whatever reason, the Windows 2000 Server requires
rebooting and if they reboot it without first allowing us to umount the
cifs, all requests to the cfis directory will hang. Requests, cd
commands, df commands ... all hang ... for as long as three HOURS and they
cannot be killed (kill -1, -15, -9) and the smb cannot be
restarted. Presumably this is all a result of the calls being hung within
the kernel.
It has been suggested that we upgrade the kernel to 2.6.9-78.0.13.
I'm not generally opposed to upgrades, but I'm hesitant to "upgrade
to the
latest version" as a substitute for understanding the root of any problem
and engineering a proper fix. Maybe it's the years of Microsoft software,
but I believe that upgrading to the latest version has become tech support
slang for "we have NO IDEA what your problem is, so maybe the latest
version will fix it by accident -- but for very sure you'll be so deep in
the woods with NEW problems that you'll likely forget about this one
entirely."
Would anyone have any first hand knowledge of this problem and experience
that a later kernel is a solution?
Regards
Darrel
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