Ceph

1. ceph -w
   cluster d4fba9f9-3fa8-4f5f-a81a-acc312cb0152
   health HEALTH_OK
   monmap e2: 3 mons at {devenv-msk-01=10.208.31.1:6789/0,devenv-msk-02=10.208.31.2:6789/0,devenv-msk-05=10.208.31.5:6789/0}, election epoch 256, quorum 0,1,2 devenv-msk-01,devenv-msk-02,devenv-msk-05
   mdsmap e74: 1/1/1 up {0=devenv-msk-08.ceph.local=up:active}, 2 up:standby
   osdmap e1462: 27 osds: 27 up, 27 in
   pgmap v696602: 3328 pgs, 13 pools, 321 GB data, 319 kobjects
   648 GB used, 22657 GB / 23306 GB avail
   3328 active+clean
   client io 194 kB/s wr, 6 op/s

2014-09-05 15:46:06.638274 mon.0 [INF] pgmap v696600: 3328 pgs: 3328 active+clean; 321 GB data, 648 GB used, 22657 GB / 23306 GB avail; 142 kB/s wr, 4 op/s
2014-09-05 15:46:07.816673 mon.0 [INF] pgmap v696601: 3328 pgs: 3328 active+clean; 321 GB data, 648 GB used, 22657 GB / 23306 GB avail; 205 kB/s wr, 7 op/s
...
2014-09-05 15:46:49.206792 mon.0 [INF] pgmap v696634: 3328 pgs: 3328 active+clean; 321 GB data, 648 GB used, 22657 GB / 23306 GB avail; 41423 B/s wr, 3 op/s
2014-09-05 15:46:50.398811 mon.0 [INF] pgmap v696635: 3328 pgs: 3328 active+clean; 321 GB data, 648 GB used, 22657 GB / 23306 GB avail; 15696 B/s wr, 2 op/s
^CTraceback (most recent call last):
File "_ctypes/callbacks.c", line 295, in 'calling callback function'
File "/usr/lib/python2.6/site-packages/rados.py", line 1743, in monitor_log_callback
self.callback(arg, line, who, sec, nsec, seq, level, msg)
AttributeError: 'function' object has no attribute 'callback'
Segmentation fault

ceph: 0.80.5
os: CentOS 6.5 x86_64