On 2017-10-25 11:21, Wido den Hollander wrote: > >> Op 25 oktober 2017 om 5:58 schreef Christian Sarrasin <c.nntp@xxxxxxxxxxxxxxxxxx>: >> >> The one thing I'm still wondering about is failure domains. With >> Filestore and SSD-backed journals, an SSD failure would kill writes but >> OSDs were otherwise still whole. Replacing the failed SSD quickly would >> get you back on your feet with relatively little data movement. >> > > Not true. If you loose your OSD's journal with FileStore without a clean shutdown of the OSD you loose the OSD. You'd have to rebalance the complete OSD. Could you crosscheck please? Because this http://ceph.com/geen-categorie/ceph-recover-osds-after-ssd-journal-failure/ suggests otherwise. -K. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com