Have you checked the brick logs to see if there's anything unusual there?

Regards,
Vijay

On Thu, Sep 15, 2016 at 5:24 PM, Danny Lee <dan...@vt.edu> wrote:
> Hi,
>
> Environment:
> Gluster Version: 3.8.3
> Operating System: CentOS Linux 7 (Core)
> Kernel: Linux 3.10.0-327.28.3.el7.x86_64
> Architecture: x86-64
> Replicated 3-Node Volume
> ~400GB of around a million files
>
> Description of Problem:
> One of the brick dies.  The only suspect log I see is in the
> etc-glusterfs-glusterd.vol.log (shown below).  Trying to get an idea of why
> the brick died and how it could be prevented in the future.
>
> During this time, I was forcing replication (find . | xargs stat on the
> mount).  There were some services starting up as well that was using the
> gluster mount.
>
> [2016-09-13 20:01:50.033369] W [socket.c:590:__socket_rwv] 0-management:
> readv on /var/run/gluster/cfc57a83cf77779864900aa08380be93.socket failed (No
> data available)
> [2016-09-13 20:01:50.033830] I [MSGID: 106005]
> [glusterd-handler.c:5050:__glusterd_brick_rpc_notify] 0-management: Brick
> 172.17.32.28:/usr/local/volname/local-data/mirrored-data has disconnected
> from glusterd.
> [2016-09-13 20:01:50.121316] W [rpcsvc.c:265:rpcsvc_program_actor]
> 0-rpc-service: RPC program not available (req 1298437 330) for
> 172.17.32.28:49146
> [2016-09-13 20:01:50.121339] E [rpcsvc.c:560:rpcsvc_check_and_reply_error]
> 0-rpcsvc: rpc actor failed to complete successfully
> [2016-09-13 20:01:50.121383] W [rpcsvc.c:265:rpcsvc_program_actor]
> 0-rpc-service: RPC program not available (req 1298437 330) for
> 172.17.32.28:49146
> [2016-09-13 20:01:50.121392] E [rpcsvc.c:560:rpcsvc_check_and_reply_error]
> 0-rpcsvc: rpc actor failed to complete successfully
> The message "I [MSGID: 106005]
> [glusterd-handler.c:5050:__glusterd_brick_rpc_notify] 0-management: Brick
> 172.17.32.28:/usr/local/volname/local-data/mirrored-data has disconnected
> from glusterd." repeated 34 times between [2016-09-13 20:01:50.033830] and
> [2016-09-13 20:03:40.010862]
>
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