On Mon, 20 Feb 2012, Oliver Francke wrote:
> Hi Sage,
> 
> On 02/20/2012 06:41 PM, Sage Weil wrote:
> > On Mon, 20 Feb 2012, Oliver Francke wrote:
> > > Hi,
> > > 
> > > we are just in trouble after some mess with trying to include a new
> > > OSD-node
> > > into our cluster.
> > > 
> > > We get some weird "libceph: corrupt inc osdmap epoch 880 off 102
> > > (ffffc9001db8990a of ffffc9001db898a4-ffffc9001db89dae)"

I just retested the kernel client against the new server code and I don't 
see this.  If you can pull the osdmap/880 file from the monitor data 
directory (soon, please, the monitor will delete it once things fully 
recover and move on) I can see what the data looks like.

> > > 
> > > on the console.
> > > The whole system is in a state ala:
> > > 
> > > 012-02-20 17:56:27.585295    pg v942504: 2046 pgs: 1348 active+clean, 43
> > > active+recovering+degraded+remapped+backfill, 218 active+recovering, 437
> > > active+recovering+remapped+backfill; 1950 GB data, 3734 GB used, 26059 GB
> > > /
> > > 29794 GB avail; 272914/1349073 degraded (20.230%)
> > > 
> > > and sometimes the ceph-osd on node0 is crashing. At the moment of writing,
> > > the
> > > degrading continues to shrink down below 20%.
> > How did ceph-osd crash?  Is there a dump in the log?
> 
> 'course I will provide all logs, uhm, a bit later, we are busy to start all
> VM's, and handle first customer-tickets right now ;-)
>
> To be most complete for the collection, would you be so kind to give a 
> list of all necessary kern.log osdX.log etc.?

I think just the crashed osd log will be enough.  It looks like the rest 
of the cluster is recovering ok...

Are the VMs running on top of the kernel rbd client, or KVM+librbd?

sage


> 
> Thnx for the fast reaction,
> 
> Oliver.
> 
> > sage
> > 
> > > Any clues?
> > > 
> > > Thnx in @vance,
> > > 
> > > Oliver.
> > > 
> > > -- 
> > > 
> > > Oliver Francke
> > > 
> > > filoo GmbH
> > > Moltkestraße 25a
> > > 33330 Gütersloh
> > > HRB4355 AG Gütersloh
> > > 
> > > Geschäftsführer: S.Grewing | J.Rehpöhler | C.Kunz
> > > 
> > > Folgen Sie uns auf Twitter: http://twitter.com/filoogmbh
> > > 
> > > --
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> > > 
> 
> 
> -- 
> 
> Oliver Francke
> 
> filoo GmbH
> Moltkestraße 25a
> 33330 Gütersloh
> HRB4355 AG Gütersloh
> 
> Geschäftsführer: S.Grewing | J.Rehpöhler | C.Kunz
> 
> Folgen Sie uns auf Twitter: http://twitter.com/filoogmbh
> 
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