sandra-llistes wrote:
Hi Abhi,
Thanks for the reply.
Please, Could you try to play a video clip from four or more windows
simultaneously? sometimes with less than tree clients it can work, but
for four or more always fails.
Could you give more information about your system? is Fedora or RHEL?
what OS,samba,GFS version? Any special locking configuration in samba
or linux kernel?
I had tested samba with GFS only mounted in one node, and samba hangs
likewise, but GFS mounted with no_lock option in node1 works fine.
I download the lastest version for GFS2 and cluster with "cvs -d
:pserver:cvs@xxxxxxxxxxxxxxxxxx:/cvs/cluster checkout cluster"and I'm
trying to make it work in our test environment. I hope this works.
I don't know if I had said that we have Fedora 5 and not RHEL
installed. I don't know if it can be some differences.
Also, I tried OCFS2 and works ok with this samba configuration, the
problem is that doesn't support quotas.
Regards,
Sandra
Hi Sandra,
I'm in the process of gathering a few windows boxes to run your test. I
should hopefully have 4 windows clients tomorrow.
A warning first up, I'd recommend that you *not* use GFS2 and the latest
cluster suite for your tests just yet. With constant development going
on, some components are unstable and more problems is not what you need
right now :-). The RHEL4 tag in CVS has stable code from the most recent
release. I'd suggest you compile gfs and the cluster suite from that CVS
branch.
I'm running a 3-node x86 cluster with RHEL4. The cluster suite and gfs
are from the RHEL4 branch of CVS along with some innocuous patches. The
samba version is 3.0.10-1.4E.2. I'm using an smb.conf almost identical
to the one you posted in your previous mail. I don't have any other
kernel/samba locking settings that I'm aware of.
You did mention in an email few weeks ago that you were trying to export
the same GFS mount over multiple samba servers on multiple nodes
simultaneously (active-active samba). I'm guessing you achieved this by
setting the locking and pid directories of samba to be on the shared gfs
filesystem. (This is a wrong approach and doesn't work. There's a lot of
debate on this in the samba and samba-technical list archives are
samba.org). I'm wondering if you still have these directories on the GFS
filesystem, which could possibly be causing your hang?
Also, do you see anything unusual in /var/log/messages on the GFS node
when this hang occurs? I'm interested in any kernel-panic/assertion
failures in GFS that might indicate some problem.
Thanks,
--Abhi
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