On 12/04/2016 9:09 AM, Lionel Bouton wrote:
* If the journal is not on a separate partition (SSD), it should definitely be re-created NoCoW to avoid unnecessary fragmentation. From memory : stop OSD, touch journal.new, chattr +C journal.new, dd if=journal of=journal.new (your dd options here for best perf/least amount of cache eviction), rm journal, mv journal.new journal, start OSD again.
Flush the journal after stopping the OSD ! -- Lindsay Mathieson _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
