[root@osd0 ceph]# /etc/init.d/ceph -a start
=== mon.a ===
Starting Ceph mon.a on osd0...
starting mon.a rank 0 at 192.168.56.100:6789/0 mon_data /var/local/ceph/mon.a fsid abaf5302-13cc-4531-990f-c56935679649
=== mon.b ===
Starting Ceph mon.b on osd1...
starting mon.b rank 1 at 192.168.56.101:6789/0 mon_data /var/local/ceph/mon.b fsid abaf5302-13cc-4531-990f-c56935679649
=== mon.c ===
Starting Ceph mon.c on osd2...
starting mon.c rank 2 at 192.168.56.102:6789/0 mon_data /var/local/ceph/mon.c fsid abaf5302-13cc-4531-990f-c56935679649
=== osd.0 ===
Starting Ceph osd.0 on osd0...
starting osd.0 at :/0 osd_data /var/local/ceph/osd.0 /var/local/ceph/osd.0/journal
2012-05-03 17:36:31.005537 7f98df29f760 -1 global_init_daemonize: BUG: there are 1 child threads already started that will now die!
failed: ' /usr/bin/ceph-osd -i 0 --pid-file /var/run/ceph/osd.0.pid -c /etc/ceph/ceph.conf '