That's disheartening to hear that your RBD images were corrupted -- do you have any more detail as to what happened? Enabling the object map is designed to flag the object map as invalid, so it won't be used as a reference for any IO ops until it is successfully rebuilt.
Documentation of these new RBD features is definitely lacking and I've opened a tracker ticket to improve it [1]. [1] http://tracker.ceph.com/issues/15000 -- Jason Dillaman ----- Original Message ----- > From: "Loris Cuoghi" <l...@stella-telecom.fr> > To: ceph-users@lists.ceph.com > Sent: Saturday, March 5, 2016 4:31:36 PM > Subject: Re: [ceph-users] Can I rebuild object maps while VMs are running ? > > > Le 05/03/2016 09:35, Lindsay Mathieson a écrit : > > On 5/03/2016 3:31 AM, Christoph Adomeit wrote: > >> I just updated our ceph-cluster to infernalis and now I want to > >> enable the new image features. > > > > > > Semi related - is there a description of these new features some where? > > > > Been there, done that, corrupted RBDs. ;) > > I think the object-map rebuild action takes the same exclusive lock you > just added to the RBD. > > The disk was unavailable in the VM even once the object-map completed. > > Cleanly poweroff your VMs, kids. :) > Only then, operate your open heart surgery on the RBDs. > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
