π Ceph Operations Checklist¶
β Daily Tasks¶
-
Check cluster health
ceph -s -
Review detailed health report
ceph health detail -
Verify monitor quorum
ceph quorum_status --format json-pretty -
Check OSD status
ceph osd stat -
Scan logs for warnings
journalctl -u ceph-mon@<hostname> --since today journalctl -u ceph-osd@<id> --since today
π Weekly Tasks¶
-
Check pool usage and capacity
ceph df -
Review placement group statistics
ceph pg stat -
Inspect OSD tree layout
ceph osd tree -
Run OSD scrub (data consistency)
ceph osd scrub <id> -
Rebalance cluster if needed
ceph osd reweight-by-utilization
π¨ Watch For¶
- OSDs marked down/out β restart or replace disk.
- PGs stuck/inactive β check network and MON quorum.
- Slow requests β test Ceph network latency and disk health.
- Nearβfull warnings β add OSDs or clean up unused images/snapshots.
- MON quorum loss β ensure at least 2 of 3 MONs are running.