[Gluster-users] gluster brick daemon segfaulted in pairs

Atin Mukherjee amukherj at redhat.com
Mon Oct 24 18:35:34 UTC 2016

On Monday 24 October 2016, Jackie Tung <jackie at drive.ai> wrote:

> Hi,
> We are running a distributed replicated volume: 16 pairs of bricks (rep
> count 2), 2 nodes.
> On Friday, 2 pairs of brick daemons seg-faulted within minutes of each
> other, leading to 2 subvolumes down (no replicas left).  We tried to bring
> them up again by doing a "volume start force”, which worked, but roughly 4
> hours later this happened again, but to two other pairs of bricks.
> There is nothing of note in brick logs for the downed bricks, except that
> it just suddenly stops logging.  In the other logs (nfs, glusterhd, etc),
> we simply start seeing errors saying “All sub volumes down” for those
> replicates.
> We are running GluserFS 3.8.2 on Ubuntu 16.04.
> I do have a couple of core dumps preserved by apport.  Any ideas?  Should
> I file this straight into bugzilla?

Filing a bug with coredumps attached would be ideal, have you got a chance
to look at the backtraces of these coredumps? If not please provide the
backtrace too, sometimes developers can straight away identify the issues
looking at the backtraces.

> Thanks,
> Jackie
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