Re: PGs stuck stale during data migration and OSD restart

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On Sat, Aug 29, 2015 at 11:50 AM, Gerd Jakobovitsch <gerd@xxxxxxxxxxxxx> wrote:
> Dear all,
>
> During a cluster reconfiguration (change of crush tunables from legacy to
> TUNABLES2) with large data replacement, several OSDs get overloaded and had
> to be restarted; when OSDs stabilize, I got a number of PGs marked stale,
> even when all OSDs where this data used to be located show up again.
>
> When I look at the OSDs current directory for the last placement, there is
> still some data. But it never shows up again.
>
> Is there any way to force these OSDs to resume being used?

This sounds very strange. Can you provide the output of "ceph -s" and
run pg query against one of the stuck PGs?
-Greg
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