Indeed, thanks! Sébastien, care to update your helpful blog post? On Mar 27, 2013, at 10:04 AM, Gregory Farnum <g...@inktank.com> wrote:
> 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
