[Gluster-users] 3.9.1 in docker: problems when one of peers is unavailable.

[Pranith Kumar Karampuri]

Hey,
     3.9.1 reached its EndOfLife, you can use either 3.8.x or 3.10.x. which
are active at the moment.

On Tue, May 16, 2017 at 11:03 AM, Rafał Radecki <radecki.rafal at gmail.com>
wrote:

> Hi All.
>
> I have a 9 node dockerized glusterfs cluster and I am seeing a situation
> that:
> 1) docker daemon on 8th node failes and as a result glusterd on this node
> is leaving the cluster
> 2) as a result on 1st node I see message about 8th node being unavailable:
>
> [2017-05-15 12:48:22.142865] I [MSGID: 106004] [glusterd-handler.c:5808:__glusterd_peer_rpc_notify]
> 0-management: Peer <10.10.10.8> (<5cb55b7a-1e04-4fb8-bd1d-55ee647719d2>),
> in state <Peer in Cluster>, has disconnected from glusterd.
> [2017-05-15 12:48:22.167746] W [glusterd-locks.c:675:glusterd_mgmt_v3_unlock]
> (-->/usr/lib64/glusterfs/3.9.1/xlator/mgmt/glusterd.so(+0x2035a)
> [0x7f7d9d62535a] -->/usr/lib64/glusterfs/3.9.1/xlator/mgmt/glusterd.so(+0x29f48)
> [0x7f7d9d62ef48] -->/usr/lib64/glus
> terfs/3.9.1/xlator/mgmt/glusterd.so(+0xd50aa) [0x7f7d9d6da0aa] )
> 0-management: Lock for vol csv not held
> [2017-05-15 12:48:22.167767] W [MSGID: 106118] [glusterd-handler.c:5833:__glusterd_peer_rpc_notify]
> 0-management: Lock not released for csv
>
>
> and the gluster share is unavailable and when I try to list it I get:
>
> Transport endpoint is not connected
> 3) then on 5th node I see message similar to 2) about 1st node being
> unavailable and 5th also disconnects from the cluster
>
> [2017-05-15 12:52:54.321189] W [glusterd-locks.c:675:glusterd_mgmt_v3_unlock]
> (-->/usr/lib64/glusterfs/3.9.1/xlator/mgmt/glusterd.so(+0x2035a)
> [0x7f7fda22335a] -->/usr/lib64/glusterfs/3.9.1/xlator/mgmt/glusterd.so(+0x29f48)
> [0x7f7fda22cf48] -->/usr/lib64/glus
> terfs/3.9.1/xlator/mgmt/glusterd.so(+0xd50aa) [0x7f7fda2d80aa] )
> 0-management: Lock for vol csv not held
>
> [2017-05-15 12:52:54.321200] W [MSGID: 106118] [glusterd-handler.c:5833:__glusterd_peer_rpc_notify]
> 0-management: Lock not released for csv
>
> [2017-05-15 12:53:04.659418] E [socket.c:2307:socket_connect_finish]
> 0-management: connection to 10.10.10.:24007 failed (Connection refused)
>
>
> I am quite new to gluster but as far as I see this is somewhat a chain in
> which failure of 1st node leads to disconnect of two other nodes. Any hints
> how to solve this? Are there any settings for retries/timeouts/reconnects
> in gluster which could help in my case?
>
> Thanks for all help!
>
> BR,
> Rafal.
>
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>



-- 
Pranith
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