[Gluster-devel] Posix locks - Patch works

Pavan Sondur pavan at gluster.com
Fri Feb 12 10:54:11 UTC 2010

Hi Florian,
You are most likely running into an issue we observed while running autoreconf - sometimes it would hang on locks, especially when the applications issue flock calls. A patch has been sent for review - http://patches.gluster.com/patch/2759/ 
Although it has not made it to the repo, you can test it out and see if it fixes your problem. Also, while this problem is happening, can you send us the following info to better identify if it is the same issue or any other bug:

* Run the server processes in log-level TRACE
* In the locks translator, turn this option on - 'option trace on'
* When you observe a hang issue signal USR1 to glusterfs server process - 'kill -s USR1 <pid>'
  It dumps the process state dump in '/tmp/glusterdump.<pid>'
 Send us the above information to debug the problem.

Also send us the kernel version you are using (both clients and servers) and the FUSE kernel module version.


----- Original Message -----
From: "Smart Weblications GmbH - Florian Wiessner" <f.wiessner at smart-weblications.de>
To: "Mickey Mazarick" <mic at digitaltadpole.com>
Cc: "Gluster List" <gluster-devel at nongnu.org>
Sent: Thursday, February 11, 2010 10:02:19 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi
Subject: Re: [Gluster-devel] Posix locks - Patch works

Am 11.02.2010 17:12, schrieb Mickey Mazarick:
> Use:
> git clone git://git.gluster.com/glusterfs.git
> the old repo /git/:///git/.sv.gnu.org//gluster/./git/  is a few weeks
> behind. I'm posting it to the user group since google returns the older
> one and has fooled me already.

That's what i already did, i followed

But the problem with apache2 and php5 sessions on glusterfs mountpoint persists.

The last thing i can see in the git log is:

commit 03f487c9419fca50d378ce514b014450e46af113
Author: Vikas Gorur <vikas at gluster.com>
Date:   Thu Jan 28 06:55:05 2010 +0000

which is the same as from git.sv.gnu.org/gluster.git

But when i browse the logs, i cannot find any patch about file locking nor the
problem with php5 session files/locking...


Mit freundlichen Grüßen,

Florian Wiessner

Smart Weblications GmbH
Martinsberger Str. 1
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fon.: +49 9282 9638 200
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