> I assume it's the balancer module. If you write lots of data quickly
> into the cluster the distribution can vary and the balancer will try
> to even out the placement.

The balancer won't cause degradation, only misplaced objects.

>     Degraded data redundancy: 260/11856050 objects degraded
> (0.014%), 1 pg degraded

That status definitely indicates that something is wrong. Check your
cluster logs on your mons (/var/log/ceph/ceph.log) for the cause; my
guess is that you have OSDs flapping (rapidly going down and up again)
due to either overload (disk or network) or some sort of
misconfiguration.

Josh
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