Ceph

Ceph¶

This section describes the alerts for the Ceph cluster.

CephClusterHealthMinor
CephClusterHealthCritical
CephMonQuorumAtRisk
CephOSDDownMinor
CephOSDDiskNotResponding
CephOSDDiskUnavailable
CephClusterNearFull
CephClusterCriticallyFull
CephOSDPgNumTooHighWarning
CephOSDPgNumTooHighCritical
CephMonHighNumberOfLeaderChanges
CephNodeDown
CephDataRecoveryTakingTooLong
CephPGRepairTakingTooLong
CephOSDVersionMismatch
CephMonVersionMismatch

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	Storage quorum is at risk.
Description	The storage 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.

CephClusterNearFull¶

Severity	Warning
Summary	Storage cluster is nearly full. Expansion is required.
Description	The storage cluster utilization has crossed 85%.

CephClusterCriticallyFull¶

Severity	Critical
Summary	Storage cluster is critically full and needs immediate expansion.
Description	The storage cluster utilization has crossed 95%.

CephOSDPgNumTooHighWarning¶

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

CephMonHighNumberOfLeaderChanges¶

Severity	Warning
Summary	Many leader changes occur in the storage 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.

CephDataRecoveryTakingTooLong¶

Severity	Warning
Summary	Data recovery is slow.
Description	Data recovery has been active for more than two hours.

CephPGRepairTakingTooLong¶

Severity	Warning
Summary	Self-heal issues detected.
Description	The self-heal operations take an excessive amount of time.

CephOSDVersionMismatch¶

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

CephMonVersionMismatch¶

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

updated: 2021-01-17 11:19

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