Thanks Wido, So during no out data will be degraded but not resynced, which won’t interrupt operations ( running default 3 replicas and a normal map, so each osd node only has 1 replica of the data) Do we need to do anything after bringing the node up again or will it resynch automatically?
Kind Regards, David Majchrzak 13 jun 2014 kl. 11:13 skrev Wido den Hollander <w...@42on.com>: > On 06/13/2014 10:56 AM, David wrote: >> Hi, >> >> We’re going to take down one OSD node for maintenance (add cpu + ram) which >> might take 10-20 minutes. >> What’s the best practice here in a production cluster running dumpling >> 0.67.7-1~bpo70+1? >> > > I suggest: > > $ ceph osd set noout > > This way NO OSD will be marked as out and prevent data re-distribution. > > After the OSDs are back up and synced: > > $ ceph osd unset noout > >> Kind Regards, >> David Majchrzak >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > > -- > Wido den Hollander > 42on B.V. > > Phone: +31 (0)20 700 9902 > Skype: contact42on > _______________________________________________ > 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