[Gluster-users] Quorum replica 2 and arbiter

[Ravishankar N]

On 04/22/2017 12:54 PM, Pranith Kumar Karampuri wrote:
>
>         Also, can we add an arbiter node to the current replica 2
>         volume without losing data ? if yes, does the re-balance bug
>         "Bug 1440635" affect this process ?
>
>  I remember we had one user in Redhat who wanted to do the same 
> procedure on his production workload with 3.8.x upstream bits and it 
> worked fine. I forget which version it was. Ravi, do you remember?

Looks like 3.8.0 contains the CLI to convert replica 2 to arbiter: 
http://review.gluster.org/14502
Increasing replica count doesn't trigger rebalance. Self-heal daemon 
will automatically sync the metadata to the arbiter brick after you add it.

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