conf: prometheus: rules: ceph: groups: - name: ceph.rules rules: - alert: prom_exporter_ceph_unavailable expr: absent(ceph_health_status) for: 10m labels: severity: warning annotations: description: Ceph exporter is not collecting metrics or is not available for past 10 minutes title: Ceph exporter is not collecting metrics or is not available - alert: no_active_ceph_mgr expr: count(up{job="ceph-mgr"} == 1) == 0 for: 5m labels: severity: warning annotations: description: 'no ceph active mgr is present or all ceph mgr are down' summary: 'no ceph active mgt is present' - alert: ceph_mon_quorum_low expr: ceph_mon_quorum_count < 3 for: 5m labels: severity: page annotations: description: 'ceph monitor quorum has been less than 3 for more than 5 minutes' summary: 'ceph high availability is at risk' - alert: ceph_cluster_usage_high expr: 100* ceph_cluster_total_used_bytes/ceph_cluster_total_bytes > 80 for: 5m labels: severity: page annotations: description: 'ceph cluster capacity usage more than 80 percent' summary: 'ceph cluster usage is more than 80 percent' - alert: ceph_placement_group_degrade_pct_high expr: 100 * sum(ceph_pg_degraded)/sum(ceph_osd_numpg) > 80 for: 5m labels: severity: critical annotations: description: 'ceph placement group degradation is more than 80 percent' summary: 'ceph placement groups degraded' - alert: ceph_osd_down_pct_high expr: 100 * count(ceph_osd_up==0)/count(ceph_osd_metadata) > 80 for: 5m labels: severity: critical annotations: description: 'ceph OSDs down percent is more than 80 percent' summary: 'ceph OSDs down percent is high' - alert: ceph_osd_down expr: ceph_osd_up == 0 for: 1m labels: severity: critical annotations: description: 'ceph OSD {{ $labels.ceph_daemon }} is down in instance {{ $labels.instance }}' summary: 'ceph OSD {{ $labels.ceph_daemon }} is down in instance {{ $labels.instance }}' - alert: ceph_osd_out expr: ceph_osd_in == 0 for: 5m labels: severity: page annotations: description: 'ceph OSD {{ $labels.ceph_daemon }} is out in instance {{ $labels.instance }}' summary: 'ceph OSD {{ $labels.ceph_daemon }} is out in instance {{ $labels.instance }}'