Currently experiencing a nasty bug http://tracker.ceph.com/issues/21142 I would say wait a while for the next point release. ,Ashley -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Jack Sent: 16 November 2017 22:22 To: ceph-users@xxxxxxxxxxxxxx Subject: Re: Is the 12.2.1 really stable? Anybody have production cluster with Luminous Bluestore? My cluster (55 OSDs) runs 12.2.x since the release, and bluestore too All good so far On 16/11/2017 15:14, Konstantin Shalygin wrote: > Hi cephers. > Some thoughts... > At this time my cluster on Kraken 11.2.0 - works smooth with FileStore > and RBD only. > I want upgrade to Luminous 12.2.1 and go to Bluestore because this > cluster want grows double with new disks, so is best opportunity > migrate to Bluestore. > > In ML I was found two problems: > 1. Increased memory usage, should be fixed in upstream > (http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-October/021676.html). > > 2. OSD drops and goes cluster offline > (http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-November/022494.html). > Don't know this Bluestore or FileStore OSD'.s. > > If the first case I can safely survive - hosts has enough memory to go > to Bluestore and with the growing I can wait until the next stable release. > That second case really scares me. As I understood clusters with this > problem for now not in production. > > By this point I have completed all the preparations for the update and > now I need to figure out whether I should update to 12.2.1 or wait for > the next stable release, because my cluster is in production and I > can't fail. Or I can upgrade and use FileStore until next release, > this is acceptable for me. > > Thanks. > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com