Re: unable to repair PG

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Be very careful with running "ceph pg repair". Have a look at this
thread:

http://thread.gmane.org/gmane.comp.file-systems.ceph.user/15185

-- 
Tomasz Kuzemko
tomasz.kuzemko@xxxxxxx

On Thu, Dec 11, 2014 at 10:57:22AM +0000, Luis Periquito wrote:
> Hi,
> 
> I've stopped OSD.16, removed the PG from the local filesystem and started
> the OSD again. After ceph rebuilt the PG in the removed OSD I ran a
> deep-scrub and the PG is still inconsistent.
> 
> I'm running out of ideas on trying to solve this. Does this mean that all
> copies of the object should also be inconsistent? Should I just try to
> figure which object/bucket this belongs to and delete it/copy it again to
> the ceph cluster?
> 
> Also, do you know what the error message means? is it just some sort of
> metadata for this object that isn't correct, not the object itself?
> 
> On Wed, Dec 10, 2014 at 11:11 AM, Luis Periquito <periquito@xxxxxxxxx>
> wrote:
> 
> > Hi,
> >
> > In the last few days this PG (pool is .rgw.buckets) has been in error
> > after running the scrub process.
> >
> > After getting the error, and trying to see what may be the issue (and
> > finding none), I've just issued a ceph repair followed by a ceph
> > deep-scrub. However it doesn't seem to have fixed the issue and it still
> > remains.
> >
> > The relevant log from the OSD is as follows.
> >
> > 2014-12-10 09:38:09.348110 7f8f618be700  0 log [ERR] : 9.180 deep-scrub 0
> > missing, 1 inconsistent objects
> > 2014-12-10 09:38:09.348116 7f8f618be700  0 log [ERR] : 9.180 deep-scrub 1
> > errors
> > 2014-12-10 10:13:15.922065 7f8f618be700  0 log [INF] : 9.180 repair ok, 0
> > fixed
> > 2014-12-10 10:55:27.556358 7f8f618be700  0 log [ERR] : 9.180 shard 6: soid
> > 370cbf80/29145.4_xxx/head//9 missing attr _, missing attr _user.rgw.acl,
> > missing attr _user.rgw.content_type, missing attr _user.rgw.etag, missing
> > attr _user.rgw.idtag, missing attr _user.rgw.manifest, missing attr
> > _user.rgw.x-amz-meta-md5sum, missing attr _user.rgw.x-amz-meta-stat,
> > missing attr snapset
> > 2014-12-10 10:56:50.597952 7f8f618be700  0 log [ERR] : 9.180 deep-scrub 0
> > missing, 1 inconsistent objects
> > 2014-12-10 10:56:50.597957 7f8f618be700  0 log [ERR] : 9.180 deep-scrub 1
> > errors
> >
> > I'm running version firefly 0.80.7.
> >

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