[Gluster-users] About Gluster cluster availability when one of out of two nodes is down

[Ravishankar N]

On 06/30/2016 11:40 AM, Atin Mukherjee wrote:
> Currently on a two node set up, if node B goes down and node A is 
> rebooted brick process(es) on node A doesn't come up to avoid split 
> brains.

This has always been the case. A patch I had sent quite some time back 
(http://review.gluster.org/#/c/8034/) was eventually abandoned, I think 
`volume start force` should suffice instead of adding checks in code.
-Ravi

> However we have had concerns/bugs from different gluster users on the 
> availability with this configuration. So we can solve this issue by 
> starting the brick process(es) if quorum is not enabled. If quorum is 
> enabled we'd not. Although quorum option really doesn't make sense in 
> a two node cluster, but we can leverage this option to get rid of this 
> specific situation.
>
> I'd like to know your feedback on this and then I push a patch right away.
>
> ~Atin
>
>
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