On Tue, Aug 14, 2012 at 3:13 AM, hemant surale <hemant.surale@xxxxxxxxx> wrote: > 2012-08-14 14:31:29.390410 7fe3b920e780 ** ERROR: error creating > empty object store in /ceph_data/osd.0: (2) No such file or directory > failed: '/sbin/mkcephfs -d /tmp/mkcephfs.n6zx4y4y33 --init-daemon osd.0' Sounds like /ceph_data/osd.0 does not exist. You need mkdir it, and you probably want to mount a disk there. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html