2013-05-29 09:43:48.601813 7f2fba3eb780  0 ceph version 0.61.2 (fea782543a844bb277ae94d3391788b76c5bee60), process ceph-mon, pid 4085
2013-05-29 09:43:48.625798 7f2fba3eb780  1 unable to open monitor store at /srv/mon.a
2013-05-29 09:43:48.625809 7f2fba3eb780  1 check for old monitor store format
2013-05-29 09:43:48.625858 7f2fba3eb780  1 store(/srv/mon.a) mount
2013-05-29 09:43:48.630212 7f2fba3eb780  1 found old GV monitor store format -- should convert!
2013-05-29 09:43:48.703427 7f2fba3eb780  1 store(/srv/mon.a) mount
2013-05-29 09:43:58.010070 7f2fba3eb780  1 _convert_machines mdsmap no gv dir 'mdsmap_gv'
2013-05-29 09:43:58.059663 7f2fba3eb780  1 _convert_machines monmap no gv dir 'monmap_gv'
2013-05-29 09:45:00.589407 7fbf2caf1780  0 ceph version 0.61.2 (fea782543a844bb277ae94d3391788b76c5bee60), process ceph-mon, pid 5265
2013-05-29 09:45:00.855136 7fbf2caf1780 -1 there is an on-going (maybe aborted?) conversion.
2013-05-29 09:45:00.855155 7fbf2caf1780 -1 you should check what happened
2013-05-29 09:45:00.855230 7fbf2caf1780 -1 found errors while attempting to convert the monitor store: (17) File exists