Re: How is split brain situations handled in ceph?

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On Wed, 26 Oct 2016, J David wrote:

On Wed, Oct 26, 2016 at 8:55 AM, Andreas Davour <ante@xxxxxxxxxxxx> wrote:
If there are 1 MON in B, that cluster will have quorum within itself and
keep running, and in A the MON cluster will vote and reach quorum again.

Quorum requires a majority of all monitors.  One monitor by itself (in
a cluster with at least three monitors) will never form a quorum.

I thought so, but some RedHat documentation was phrased in a way that made me wander about that single monitor.

Without quroum I guess the cluster will not be active, and no writes accepted. At least in that case no split brain.

/andreas

--
"economics is a pseudoscience; the astrology of our time"
Kim Stanley Robinson
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