Ceph ceph在普罗米修斯当中的监控指标

Ceph ceph在普罗米修斯当中的监控指标

6.1. Ceph : ​​Embedded exporter ​​(13 rules)

​​#​​ 6.1.1. Ceph State

Ceph instance unhealthy

- alert: CephState expr: ceph_health_status != 0 for: 0m labels: severity: critical annotations: summary: Ceph State (instance {{ $labels.instance }}) description: "Ceph instance unhealthy\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.2. Ceph monitor clock skew

Ceph monitor clock skew detected. Please check ntp and hardware clock settings

- alert: CephMonitorClockSkew expr: abs(ceph_monitor_clock_skew_seconds) > 0.2 for: 2m labels: severity: warning annotations: summary: Ceph monitor clock skew (instance {{ $labels.instance }}) description: "Ceph monitor clock skew detected. Please check ntp and hardware clock settings\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.4. Ceph OSD Down

Ceph Object Storage Daemon Down

- alert: CephOsdDown expr: ceph_osd_up == 0 for: 0m labels: severity: critical annotations: summary: Ceph OSD Down (instance {{ $labels.instance }}) description: "Ceph Object Storage Daemon Down\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.5. Ceph high OSD latency

Ceph Object Storage Daemon latency is high. Please check if it doesn't stuck in weird state.

- alert: CephHighOsdLatency expr: ceph_osd_perf_apply_latency_seconds > 5 for: 1m labels: severity: warning annotations: summary: Ceph high OSD latency (instance {{ $labels.instance }}) description: "Ceph Object Storage Daemon latency is high. Please check if it doesn't stuck in weird state.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.6. Ceph OSD low space

Ceph Object Storage Daemon is going out of space. Please add more disks.

- alert: CephOsdLowSpace expr: ceph_osd_utilization > 90 for: 2m labels: severity: warning annotations: summary: Ceph OSD low space (instance {{ $labels.instance }}) description: "Ceph Object Storage Daemon is going out of space. Please add more disks.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.7. Ceph OSD reweighted

Ceph Object Storage Daemon takes too much time to resize.

- alert: CephOsdReweighted expr: ceph_osd_weight < 1 for: 2m labels: severity: warning annotations: summary: Ceph OSD reweighted (instance {{ $labels.instance }}) description: "Ceph Object Storage Daemon takes too much time to resize.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.8. Ceph PG down

Some Ceph placement groups are down. Please ensure that all the data are available.

- alert: CephPgDown expr: ceph_pg_down > 0 for: 0m labels: severity: critical annotations: summary: Ceph PG down (instance {{ $labels.instance }}) description: "Some Ceph placement groups are down. Please ensure that all the data are available.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.9. Ceph PG incomplete

Some Ceph placement groups are incomplete. Please ensure that all the data are available.

- alert: CephPgIncomplete expr: ceph_pg_incomplete > 0 for: 0m labels: severity: critical annotations: summary: Ceph PG incomplete (instance {{ $labels.instance }}) description: "Some Ceph placement groups are incomplete. Please ensure that all the data are available.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.10. Ceph PG inconsistant

Some Ceph placement groups are inconsitent. Data is available but inconsistent across nodes.

- alert: CephPgInconsistant expr: ceph_pg_inconsistent > 0 for: 0m labels: severity: warning annotations: summary: Ceph PG inconsistant (instance {{ $labels.instance }}) description: "Some Ceph placement groups are inconsitent. Data is available but inconsistent across nodes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.11. Ceph PG activation long

Some Ceph placement groups are too long to activate.

- alert: CephPgActivationLong expr: ceph_pg_activating > 0 for: 2m labels: severity: warning annotations: summary: Ceph PG activation long (instance {{ $labels.instance }}) description: "Some Ceph placement groups are too long to activate.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.12. Ceph PG backfill full

Some Ceph placement groups are located on full Object Storage Daemon on cluster. Those PGs can be unavailable shortly. Please check OSDs, change weight or reconfigure CRUSH rules.

- alert: CephPgBackfillFull expr: ceph_pg_backfill_toofull > 0 for: 2m labels: severity: warning annotations: summary: Ceph PG backfill full (instance {{ $labels.instance }}) description: "Some Ceph placement groups are located on full Object Storage Daemon on cluster. Those PGs can be unavailable shortly. Please check OSDs, change weight or reconfigure CRUSH rules.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

​​#​​ 6.1.13. Ceph PG unavailable

Some Ceph placement groups are unavailable.

- alert: CephPgUnavailable expr: ceph_pg_total - ceph_pg_active > 0 for: 0m labels: severity: critical annotations: summary: Ceph PG unavailable (instance {{ $labels.instance }}) description: "Some Ceph placement groups are unavailable.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

在普罗米修斯当作使用

[root@localhost prometheus]# vim prometheus.yml rule_files: - "rules/*.yml" - job_name: 'ceph_cluster' static_configs: - targets: ['192.168.179.104:9283'] labels: instance: ceph

[root@localhost prometheus]# cd rules/[root@localhost rules]# ls ceph.yml ceph.yml[root@localhost rules]# cat ceph.yml groups:- name: ceph rules: - alert: CephState expr: ceph_health_status != 0 for: 0m labels: severity: critical annotations: summary: Ceph State (instance {{ $labels.instance }}) description: "Ceph instance unhealthy\n VALUE = {{ $value }}\n LABELS = {{ $labels }}" - alert: CephMonitorClockSkew expr: abs(ceph_monitor_clock_skew_seconds) > 0.2 for: 2m labels: severity: warning annotations: summary: Ceph monitor clock skew (instance {{ $labels.instance }}) description: "Ceph monitor clock skew detected. Please check ntp and hardware clock settings\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

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