Re: Ceph scrub logs: _scan_snaps no head for $object?

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Am 3. Januar 2018 08:59:41 MEZ schrieb Stefan Kooman <stefan@xxxxxx>:
>Quoting Sage Weil (sage@xxxxxxxxxxxx):
>> Hi Stefan, Mehmet,
>> 
>> Are these clusters that were upgraded from prior versions, or fresh 
>> luminous installs?
>
>Fresh luminous install... The cluster was installed with
>12.2.0, and later upgraded to 12.2.1 and 12.2.2.
>
In our Case we started with Jewel and then upgraded Step by Step to actual luminous  (12.2.2).

>> This message indicates that there is a stray clone object with no 
>> associated head or snapdir object.  That normally should never 
>> happen--it's presumably the result of a (hopefully old) bug.  The
>scrub 
>> process doesn't even clean them up, which maybe says something about
>how 
>> common it is/was...

I will have a look Next Week in my Logfiles  to see if it is still there...

>
>Hmm. This is still a pre-production cluster. Most tests have been done
>using rbd. We did make some rbd clones / snapshots here and there. We
>will
>re-install this cluster with a fresh 12.2.2 and try to reproduce.
>
>Gr. Stefan
 
Can not do a reinstall cause this is absolutely in production Environment :)

On Client side we using proxmox qemu/kvm  to Access the rbds  (librbd). Actually 12.2.2

- Mehmet 
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