On Wed, 21 May 2014, Craig Lewis wrote:
> If you do this over IRC, can you please post a summary to the mailling
> list?
>
> I believe I'm having this issue as well.
In the other case, we found that some of the OSDs were behind processing
maps (by several thousand epochs). The trick here to give them a chance
to catch up is
ceph osd set noup
ceph osd set nodown
ceph osd set noout
and wait for them to stop spinning on the CPU. You can check which map
each OSD is on with
ceph daemon osd.NNN status
to see which epoch they are on and compare that to
ceph osd stat
Once they are within 100 or less epochs,
ceph osd unset noup
and let them all start up.
We haven't determined whether the original problem was caused by this or
the other way around; we'll see once they are all caught up.
sage
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