Hi Ilya, > While adding fsid would help with disambiguation of messages from libceph > instances for different clusters, it wouldn't help in the case of multiple > libceph instances for the same cluster (i.e. see noshare mapping option). I didn't know the multi-libceph case. Thank you for letting me know. > For a full disambiguation we need a (cluster fsid, client gid) pair. For > example, something like: > > libceph (<fsid> <gid>): <message> > > libceph (ef1ab157-688c-483b-a94d-0aeec9ca44e0 4181): osd10 down > > One concern is it might be too verbose to be included in every message, > but OTOH it would make each message truly stand on its own. I'd like to embed gid to messages since these messages are shown not too often. I'll revise my patch later. Thanks, Satoru