> Op 16 december 2016 om 9:26 schreef Alessandro Brega > <alessandro.bre...@gmail.com>: > > > Hi guys, > > I'm running a ceph cluster using 0.94.9-1trusty release on XFS for RBD > only. I'd like to replace some SSDs because they are close to their TBW. > > I know I can simply shutdown the OSD, replace the SSD, restart the OSD and > ceph will take care of the rest. However I don't want to do it this way, > because it leaves my cluster for the time of the rebalance/ backfilling in > a degraded state. > > I'm thinking about this process: > 1. keep old OSD running > 2. copy all data from current OSD folder to new OSD folder (using rsync) > 3. shutdown old OSD > 4. redo step 3 to update to the latest changes > 5. restart OSD with new folder > > Are there any issues with this approach? Do I need any special rsync flags > (rsync -avPHAX --delete-during)? >
Indeed X for transferring xattrs, but also make sure that the partitions are GPT with the proper GUIDs. I would never go for this approach in a running setup. Since it's a SSD cluster I wouldn't worry about the rebalance and just have Ceph do the work for you. Wido > Thank you! > _______________________________________________ > 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
