[Gluster-users] possible kernel panic with glusterd

[Samikshan Bairagya]

On 01/25/2017 06:57 PM, Joseph Lorenzini wrote:
> Hi Atin,
>
> I assume you are referring to the /var/log/glustershd.log. If so, that file
> never gets created.

You'd find the glusterd log file as 
/var/log/glusterfs/etc-glusterfs-glusterd.vol.log AFAR for glusterfs-3.8.

~ Samikshan

>
> Joe
>
> On Wed, Jan 25, 2017 at 6:14 AM Atin Mukherjee <amukherj at redhat.com> wrote:
>
>> On Wed, Jan 25, 2017 at 5:15 PM, Joseph Lorenzini <jaloren at gmail.com>
>> wrote:
>>
>> Hi all,
>>
>> I have recently started exploring the DFS solution space and was doing
>> some basic setup and testing with gluster. I set up a pool of three nodes
>> following the quick start guide. That seemed to work fine.
>>
>> However, shortly after that, I noticed that one of the servers in the pool
>> was becoming non-responsive -- as in the entire VM was completely hung and
>> i had to use the hypervisor to force a reboot. I sshed into the server and
>> startd poking around. glusterd was shut off. I started it up ....and the
>> following happened:
>>
>> Message from syslogd at Jan 25 05:20:47 ...
>>  kernel:[  288.145027] NMI watchdog: BUG: soft lockup - CPU#1 stuck for
>> 22s! [glusterd:2374]
>>
>>
>> Could you attach the glusterd log file to enable us to look at why
>> glusterd got shutdown?
>>
>>
>>
>> At which point, the VM became completely unresponsive again.
>>
>> All servers are the same. They are running centos 7.3, linux kernel
>> 3.10.0-514.2.2.el7.x86_64. The glusterfs-server is 3.8.
>>
>> Since I just started investigating gluster, it is certainly possible that
>> I misconfigured something on that one node. However, a kernel hang/panic
>> seems like an excessive response :).  If anyone would have any ideas or
>> suggestions about what may be happening here or additional places I should
>> look into to find out what is going on, I am all ears.
>>
>> Thanks,
>> Joe
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users
>>
>>
>>
>>
>> --
>>
>> ~ Atin (atinm)
>>
>
>
>
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