This should actually be "down", not "out". Out will trigger a data migration. :) -Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com On Wed, Mar 27, 2013 at 8:36 AM, John Nielsen <li...@jnielsen.net> wrote: > Sébastien Han actually covers this on his blog: > > http://www.sebastien-han.fr/blog/2012/08/17/ceph-storage-node-maintenance/ > > His use case is moving from an embedded journal to one on an SSD but the > steps can be used to move/recreate the journal for any reason: > Mark the OSD "out" > Stop the OSD daemon > Run "ceph-osd -i N --flush-journal", replacing N with the ID of the OSD > Get your new journal location ready if it isn't > Update ceph.conf with the new journal settings > Run "ceph-osd -i N --mkjournal", again replacing N with the ID of the OSD > Start the OSD daemon > Mark the OSD "in" > > I used the procedure above to migrate 16 OSD's on 4 hosts from file-based > journals to partition-based with no downtime or data loss. (Just be aware of > your crush rules and only have one OSD, host, etc. down at a time.) > > JN > > On Mar 27, 2013, at 7:03 AM, Aleksey Samarin <nrg3...@gmail.com> wrote: > >> Well, after few tests, i can't increase size of journal. I think size of >> journal set only when osd create. So for change journal size u need to >> delete osd and create with new journal. >> >> >> 2013/3/26 Chen, Xiaoxi <xiaoxi.c...@intel.com> >> Are you using a partition as journal? >> >> >> >> From: ceph-users-boun...@lists.ceph.com >> [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Aleksey Samarin >> Sent: 2013年3月26日 20:45 >> To: ceph-us...@ceph.com >> Subject: [ceph-users] Journal size >> >> >> >> Hello everyone! >> >> I have question about journal. Ceph cluster is already working with 1gb >> journal per osd. I wanna to increase size of journal, is this possible? >> If yes, how i can do this? >> >> All the best, Alex! >> >> >> _______________________________________________ >> 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 _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
