[Gluster-users] split-brain recovery automation, any plans?

[Dmitry Melekhov]

12.07.2016 17:38, Pranith Kumar Karampuri пишет:
> Did you wait for heals to complete  before upgrading second node?

no...

>
> On Tue, Jul 12, 2016 at 3:08 PM, Dmitry Melekhov <dm at belkam.com 
> <mailto:dm at belkam.com>> wrote:
>
>     12.07.2016 13:31, Pranith Kumar Karampuri пишет:
>>
>>
>>     On Mon, Jul 11, 2016 at 2:26 PM, Dmitry Melekhov <dm at belkam.com
>>     <mailto:dm at belkam.com>> wrote:
>>
>>         11.07.2016 12:47, Gandalf Corvotempesta пишет:
>>
>>             2016-07-11 9:54 GMT+02:00 Dmitry Melekhov <dm at belkam.com
>>             <mailto:dm at belkam.com>>:
>>
>>                 We just got split-brain during update to 3.7.13 ;-)
>>
>>             This is an interesting point.
>>             Could you please tell me which replica count did you set ?
>>
>>
>>         3
>>
>>
>>             With replica "3" split brain should not occurs, right ?
>>
>>
>>         I guess we did something wrong :-)
>>
>>
>>     Or there is a bug we never found? Could you please share details
>>     about what you did?
>
>     upgraded to 3.7.13 from 3.7.11 using yum, while at least one VM is
>     running :-)
>     on all 3 servers, one by one:
>
>     yum upgrade
>     systemctl stop glusterd
>     than killed glusterfsd processes using kill
>     and systemctl start glusterd
>
>     then next server....
>
>     after this we tried to restart VM, but it failed, because we
>     forget to restart libvirtd, and it used old libraries,
>     I guess this is point where we got this problem.
>
>>
>>             I'm planning a new cluster and I would like to be
>>             protected against
>>             split brains.
>>
>>
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>>
>>
>>
>>
>>     -- 
>>     Pranith
>
>
>
>
> -- 
> Pranith

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