Re: fast-diff map is always invalid

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Hi Jason,

yes, after I also built object-maps for the snapshots the feature is working as expected.

Thanks
  Christoph

On Thu, Aug 04, 2016 at 01:52:54PM -0400, Jason Dillaman wrote:
> Can you run "rbd info vm-208-disk-2@initial.20160729-220225"? You most
> likely need to rebuild the object map for that specific snapshot via
> "rbd object-map rebuild vm-208-disk-2@initial.20160729-220225".
> 
> On Sat, Jul 30, 2016 at 7:17 AM, Christoph Adomeit
> <Christoph.Adomeit@xxxxxxxxxxx> wrote:
> > Hi there,
> >
> > I upgraded my cluster to jewel recently, built object maps for every image and
> > recreated all snapshots du use fast-diff feature for backups.
> >
> > Unfortunately i am still getting the following error message on rbd du:
> >
> > root@host:/backups/ceph# rbd du vm-208-disk-2
> > warning: fast-diff map is invalid for vm-208-disk-2@initial.20160729-220225. operation may be slow.
> >
> > What might be wrong ?
> >
> > root@1host:/backups/ceph# rbd --version
> > ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374)
> >
> > root@host:/backups/ceph# rbd info vm-208-disk-2
> > rbd image 'vm-208-disk-2':
> >         size 275 GB in 70400 objects
> >         order 22 (4096 kB objects)
> >         block_name_prefix: rbd_data.35ea4ac2ae8944a
> >         format: 2
> >         features: layering, exclusive-lock, object-map, fast-diff
> >         flags:
> >
> > Thanks
> >   Christoph
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users@xxxxxxxxxxxxxx
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
> 
> 
> -- 
> Jason

-- 
Christoph Adomeit
GATWORKS GmbH
Reststrauch 191
41199 Moenchengladbach
Sitz: Moenchengladbach
Amtsgericht Moenchengladbach, HRB 6303
Geschaeftsfuehrer:
Christoph Adomeit, Hans Wilhelm Terstappen

Christoph.Adomeit@xxxxxxxxxxx     Internetloesungen vom Feinsten
Fon. +49 2166 9149-32                      Fax. +49 2166 9149-10
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