Hi Haomai, all. Today after unexpected power failure one of kv stores (placed on ext4 with default mount options) refused to work. I think that it may be interesting to revive it because it is almost first time among hundreds of power failures (and their simulations) when data store got broken. Strace: http://xdel.ru/downloads/osd1.strace.gz Debug output with 20-everything level: http://xdel.ru/downloads/osd1.out _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com