[Gluster-users] Self healing of 3.3.0 cause our 2 bricks replicated cluster freeze (client read/write timeout)

ZHANG Cheng czhang.oss at gmail.com
Fri Nov 30 04:33:30 UTC 2012

I have lots of such line in my log:
[2012-11-30 12:27:22.203030] E
[afr-self-heald.c:685:_link_inode_update_loc] 0-staticvol-replicate-0:
inode link failed on the inode (00000000-0000-0000-0000-000000000000)

I am running on gluster 3.3.1.

On Thu, Nov 29, 2012 at 6:58 PM, Jeff Darcy <jdarcy at redhat.com> wrote:
> On 11/26/12 4:46 AM, ZHANG Cheng wrote:
>> Early this morning our 2 bricks replicated cluster had an outage. The
>> disk space for one of the brick server (brick02) was used up. When we
>> responded to the disk full alert, the issue already lasted for a few
>> hours. We reclaimed some disk space, and reboot the brick02 server,
>> expecting once it come back it will go self healing.
>> It did go self healing, but just after couple minutes, access to
>> gluster filesystem freeze. Tons of "nfs: server brick not responding,
>> still trying" popped up in dmesg. The load average on app server went
>> up to 200 something from usual 0.10. We had to shutdown brick02 server
>> or stop gluster server process on it, to get the gluster cluster back
>> working.
> Have you checked the glustershd logs (should be in /var/log/glusterfs)
> on the bricks?  If there's nothing useful there, a statedump would also
> be useful.  See the "gluster volume statedump" instructions on your
> friendly local admin guide (section 10.4 for GlusterFS 3.3).  Most
> helpful of all would be a bug report with any of this information plus a
> description of your configuration.  You can either create a new one or
> attach the info to an existing bug if one seems to fit.  The following
> seems like it might be related, even though it's for virtual machines.
> https://bugzilla.redhat.com/show_bug.cgi?id=881685
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