root@ceph-osd2:~# service ceph start mon.b
=== mon.b ===
Starting Ceph mon.b on ceph-osd2...
failed: 'ulimit -n 8192;  /usr/bin/ceph-mon -i b --pid-file /var/run/ceph/mon.b.pid -c /etc/ceph/ceph.conf '
Starting ceph-create-keys on ceph-osd2...
root@ceph-osd2:~#