[Gluster-users] possible kernel panic with glusterd

[Joseph Lorenzini]

Hi Atin,

I assume you are referring to the /var/log/glustershd.log. If so, that file
never gets created.

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
>
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>
>
>
>
> --
>
> ~ Atin (atinm)
>
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