[sheepdog-users] Recovery and error messages

[Liu Yuan]

On Fri, May 16, 2014 at 08:24:09AM +0200, Valerio Pachera wrote:
> 2014-05-16 5:25 GMT+02:00 Liu Yuan <namei.unix at gmail.com>:
> 
> > It means this object was lost. It makes sense because you kill a node so
> > one
> > piece of the object was missing, but recovery process will try to rebuild
> > it
> > later by erasure algorithm.
> >
> 
> Thank you Yuan,
> I was wondering, what kind of error may I get if an obect is missing (zero
> copies?).
> (I know that should never happen).

"failed to recover xxx" would indicate that some object is missing *after*
recovery.

For replication, means that the whole object is missing.
For erasure, means that some piece of the object is missing and can't rebuild it
from other parts of the object.

Thanks
Yuan