Ceph » CephFS

[root@cephfs102 ~]# ceph fs status star
star - 0 clients
====
+------+--------+-------------+---------------+-------+-------+
| Rank | State  |     MDS     |    Activity   |  dns  |  inos |
+------+--------+-------------+---------------+-------+-------+
|  0   | active | 192.9.9.102 | Reqs:    0 /s |    0  |    0  |
+------+--------+-------------+---------------+-------+-------+
+-----------+----------+-------+-------+
|    Pool   |   type   |  used | avail |
+-----------+----------+-------+-------+
| star_meta | metadata | 62.4M |  661G |
| star_data |   data   | 1681G |  661G |
+-----------+----------+-------+-------+

+-------------+
| Standby MDS |
+-------------+
| 192.9.9.104 |
| 192.9.9.103 |
+-------------+

star - 0 clients
dns is 0
inos is 0

The higher priority should be set for these perf counters to get included in
'ceph daemonperf' (and similar) results.