Ceph

Ceph¶

This section describes the alerts for the Ceph cluster.

CephClusterHealthMinor
CephClusterHealthCritical
CephMonQuorumAtRisk
CephOSDDownMinor
CephOSDDiskNotResponding
CephOSDDiskUnavailable
CephClusterFullWarning
CephClusterFullCritical
CephOSDPgNumTooHighWarning
CephOSDPgNumTooHighCritical
CephMonHighNumberOfLeaderChanges
CephNodeDown
CephOSDVersionMismatch
CephMonVersionMismatch
CephPGInconsistent
CephPGUndersized

CephClusterHealthMinor¶

Severity	Minor
Summary	Ceph cluster health is `WARNING`.
Description	The Ceph cluster is in the `WARNING` state. For details, run `ceph -s`.

CephClusterHealthCritical¶

Severity	Critical
Summary	Ceph cluster health is `CRITICAL`.
Description	The Ceph cluster is in the `CRITICAL` state. For details, run `ceph -s`.

CephMonQuorumAtRisk¶

Severity	Major
Summary	Ceph cluster quorum is at risk.
Description	The Ceph cluster quorum is low.

CephOSDDownMinor¶

Severity	Minor
Summary	Ceph OSDs are down.
Description	`{{ $value }}` of Ceph OSDs in the Ceph cluster are down. For details, run `ceph osd tree`.

CephOSDDiskNotResponding¶

Severity	Critical
Summary	Disk is not responding.
Description	The `{{ $labels.device }}` disk device is not responding on the `{{ $labels.host }}` host.

CephOSDDiskUnavailable¶

Severity	Critical
Summary	Disk is not accessible.
Description	The `{{ $labels.device }}` disk device is not accessible on the `{{ $labels.host }}` host.

CephClusterFullWarning¶

Severity	Warning
Summary	Ceph cluster is nearly full.
Description	The Ceph cluster utilization has crossed 85%, expansion is required.

CephClusterFullCritical¶

Severity	Critical
Summary	Ceph cluster is full.
Description	The Ceph cluster utilization has crossed 95%, immediate expansion is required.

CephOSDPgNumTooHighWarning¶

Severity	Warning
Summary	Some Ceph OSDs have more than 200 PGs.
Description	Some Ceph OSDs contain more than 200 Placement Groups. This may have a negative impact on the cluster performance. For details, run `ceph pg dump`.

CephOSDPgNumTooHighCritical¶

Severity	Critical
Summary	Some Ceph OSDs have more than 300 PGs.
Description	Some Ceph OSDs contain more than 300 Placement Groups. This may have a negative impact on the cluster performance. For details, run `ceph pg dump`.

CephMonHighNumberOfLeaderChanges¶

Severity	Warning
Summary	Too many leader changes occur in the Ceph cluster.
Description	`{{ $value }}` leader changes per minute occur for the `{{ $labels.instance }}` instance of the `{{ $labels.job }}` Ceph Monitor.

CephNodeDown¶

Severity	Critical
Summary	Ceph node `{{ $labels.node }}` went down.
Description	The `{{ $labels.node }}` Ceph node is down and requires immediate verification.

CephOSDVersionMismatch¶

Severity	Warning
Summary	Multiple versions of Ceph OSDs are running.
Description	`{{ $value }}` different versions of Ceph OSD components are running.

CephMonVersionMismatch¶

Severity	Warning
Summary	Multiple versions of Ceph Monitors are running.
Description	`{{ $value }}` different versions of Ceph Monitor components are running.

CephPGInconsistent¶

Severity	Minor
Summary	Too many inconsistent Ceph PGs.
Description	The Ceph cluster detects inconsistencies in one or more replicas of an object in `{{ $value }}` Placement Groups.

CephPGUndersized¶

Severity	Minor
Summary	Too many undersized Ceph PGs.
Description	The Ceph cluster reports `{{ $value }}` Placement Groups have fewer copies than the configured pool replication level.

updated: 2021-04-17 11:20

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