📋 Ceph Operations Checklist

✅ 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

📅 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
```

🚨 Watch For

OSDs marked down/out → restart or replace disk.
PGs stuck/inactive → check network and MON quorum.
Slow requests → test Ceph network latency and disk health.
Near‑full warnings → add OSDs or clean up unused images/snapshots.
MON quorum loss → ensure at least 2 of 3 MONs are running.