Files
infrastructure/clusters/cl01tl/manifests/rook-ceph/PrometheusRule-prometheus-ceph-rules.yaml
gitea-bot 7a96d06727 Automated Manifest Update (#2259)
This PR contains newly rendered Kubernetes manifests automatically generated by the CI workflow.

Reviewed-on: #2259
Co-authored-by: gitea-bot <gitea-bot@alexlebens.net>
Co-committed-by: gitea-bot <gitea-bot@alexlebens.net>
2025-12-04 21:47:46 +00:00

871 lines
50 KiB
YAML

---
# Source: rook-ceph/charts/rook-ceph-cluster/templates/prometheusrules.yaml
kind: PrometheusRule
apiVersion: monitoring.coreos.com/v1
metadata:
labels:
prometheus: rook-prometheus
role: alert-rules
name: prometheus-ceph-rules
namespace: rook-ceph
spec:
groups:
- name: cluster health
rules:
- alert: CephHealthError
annotations:
description: The cluster state has been HEALTH_ERROR for more than 5 minutes. Please check 'ceph health detail' for more information.
summary: Ceph is in the ERROR state
expr: ceph_health_status == 2
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.2.1
severity: critical
type: ceph_default
- alert: CephHealthWarning
annotations:
description: The cluster state has been HEALTH_WARN for more than 15 minutes. Please check 'ceph health detail' for more information.
summary: Ceph is in the WARNING state
expr: ceph_health_status == 1
for: 15m
labels:
severity: warning
type: ceph_default
- name: mon
rules:
- alert: CephMonDownQuorumAtRisk
annotations:
description: '{{ $min := query "floor(count(ceph_mon_metadata) / 2) + 1" | first | value }}Quorum requires a majority of monitors (x {{ $min }}) to be active. Without quorum the cluster will become inoperable, affecting all services and connected clients. The following monitors are down: {{- range query "(ceph_mon_quorum_status == 0) + on(ceph_daemon) group_left(hostname) (ceph_mon_metadata * 0)" }} - {{ .Labels.ceph_daemon }} on {{ .Labels.hostname }} {{- end }}'
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-down
summary: Monitor quorum is at risk
expr: |
(
(ceph_health_detail{name="MON_DOWN"} == 1) * on() (
count(ceph_mon_quorum_status == 1) == bool (floor(count(ceph_mon_metadata) / 2) + 1)
)
) == 1
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.3.1
severity: critical
type: ceph_default
- alert: CephMonDown
annotations:
description: |
{{ $down := query "count(ceph_mon_quorum_status == 0)" | first | value }}{{ $s := "" }}{{ if gt $down 1.0 }}{{ $s = "s" }}{{ end }}You have {{ $down }} monitor{{ $s }} down. Quorum is still intact, but the loss of an additional monitor will make your cluster inoperable. The following monitors are down: {{- range query "(ceph_mon_quorum_status == 0) + on(ceph_daemon) group_left(hostname) (ceph_mon_metadata * 0)" }} - {{ .Labels.ceph_daemon }} on {{ .Labels.hostname }} {{- end }}
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-down
summary: One or more monitors down
expr: |
count(ceph_mon_quorum_status == 0) <= (count(ceph_mon_metadata) - floor(count(ceph_mon_metadata) / 2) + 1)
for: 30s
labels:
severity: warning
type: ceph_default
- alert: CephMonDiskspaceCritical
annotations:
description: The free space available to a monitor's store is critically low. You should increase the space available to the monitor(s). The default directory is /var/lib/ceph/mon-*/data/store.db on traditional deployments, and /var/lib/rook/mon-*/data/store.db on the mon pod's worker node for Rook. Look for old, rotated versions of *.log and MANIFEST*. Do NOT touch any *.sst files. Also check any other directories under /var/lib/rook and other directories on the same filesystem, often /var/log and /var/tmp are culprits. Your monitor hosts are; {{- range query "ceph_mon_metadata"}} - {{ .Labels.hostname }} {{- end }}
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-disk-crit
summary: Filesystem space on at least one monitor is critically low
expr: ceph_health_detail{name="MON_DISK_CRIT"} == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.3.2
severity: critical
type: ceph_default
- alert: CephMonDiskspaceLow
annotations:
description: The space available to a monitor's store is approaching full (>70% is the default). You should increase the space available to the monitor(s). The default directory is /var/lib/ceph/mon-*/data/store.db on traditional deployments, and /var/lib/rook/mon-*/data/store.db on the mon pod's worker node for Rook. Look for old, rotated versions of *.log and MANIFEST*. Do NOT touch any *.sst files. Also check any other directories under /var/lib/rook and other directories on the same filesystem, often /var/log and /var/tmp are culprits. Your monitor hosts are; {{- range query "ceph_mon_metadata"}} - {{ .Labels.hostname }} {{- end }}
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-disk-low
summary: Drive space on at least one monitor is approaching full
expr: ceph_health_detail{name="MON_DISK_LOW"} == 1
for: 5m
labels:
severity: warning
type: ceph_default
- alert: CephMonClockSkew
annotations:
description: Ceph monitors rely on closely synchronized time to maintain quorum and cluster consistency. This event indicates that the time on at least one mon has drifted too far from the lead mon. Review cluster status with ceph -s. This will show which monitors are affected. Check the time sync status on each monitor host with 'ceph time-sync-status' and the state and peers of your ntpd or chrony daemon.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-clock-skew
summary: Clock skew detected among monitors
expr: ceph_health_detail{name="MON_CLOCK_SKEW"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- name: osd
rules:
- alert: CephOSDDownHigh
annotations:
description: '{{ $value | humanize }}% or {{ with query "count(ceph_osd_up == 0)" }}{{ . | first | value }}{{ end }} of {{ with query "count(ceph_osd_up)" }}{{ . | first | value }}{{ end }} OSDs are down (>= 10%). The following OSDs are down: {{- range query "(ceph_osd_up * on(ceph_daemon) group_left(hostname) ceph_osd_metadata) == 0" }} - {{ .Labels.ceph_daemon }} on {{ .Labels.hostname }} {{- end }}'
summary: More than 10% of OSDs are down
expr: count(ceph_osd_up == 0) / count(ceph_osd_up) * 100 >= 10
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.1
severity: critical
type: ceph_default
- alert: CephOSDHostDown
annotations:
description: 'The following OSDs are down: {{- range query "(ceph_osd_up * on(ceph_daemon) group_left(hostname) ceph_osd_metadata) == 0" }} - {{ .Labels.hostname }} : {{ .Labels.ceph_daemon }} {{- end }}'
summary: An OSD host is offline
expr: ceph_health_detail{name="OSD_HOST_DOWN"} == 1
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.8
severity: warning
type: ceph_default
- alert: CephOSDDown
annotations:
description: |
{{ $num := query "count(ceph_osd_up == 0)" | first | value }}{{ $s := "" }}{{ if gt $num 1.0 }}{{ $s = "s" }}{{ end }}{{ $num }} OSD{{ $s }} down for over 5mins. The following OSD{{ $s }} {{ if eq $s "" }}is{{ else }}are{{ end }} down: {{- range query "(ceph_osd_up * on(ceph_daemon) group_left(hostname) ceph_osd_metadata) == 0"}} - {{ .Labels.ceph_daemon }} on {{ .Labels.hostname }} {{- end }}
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-down
summary: An OSD has been marked down
expr: ceph_health_detail{name="OSD_DOWN"} == 1
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.2
severity: warning
type: ceph_default
- alert: CephOSDNearFull
annotations:
description: One or more OSDs have reached the NEARFULL threshold. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-nearfull
summary: OSD(s) running low on free space (NEARFULL)
expr: ceph_health_detail{name="OSD_NEARFULL"} == 1
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.3
severity: warning
type: ceph_default
- alert: CephOSDFull
annotations:
description: An OSD has reached the FULL threshold. Writes to pools that share the affected OSD will be blocked. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-full
summary: OSD full, writes blocked
expr: ceph_health_detail{name="OSD_FULL"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.6
severity: critical
type: ceph_default
- alert: CephOSDBackfillFull
annotations:
description: An OSD has reached the BACKFILL FULL threshold. This will prevent rebalance operations from completing. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-backfillfull
summary: OSD(s) too full for backfill operations
expr: ceph_health_detail{name="OSD_BACKFILLFULL"} > 0
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephOSDTooManyRepairs
annotations:
description: Reads from an OSD have used a secondary PG to return data to the client, indicating a potential failing drive.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-too-many-repairs
summary: OSD reports a high number of read errors
expr: ceph_health_detail{name="OSD_TOO_MANY_REPAIRS"} == 1
for: 30s
labels:
severity: warning
type: ceph_default
- alert: CephOSDTimeoutsPublicNetwork
annotations:
description: OSD heartbeats on the cluster's 'public' network (frontend) are running slow. Investigate the network for latency or loss issues. Use 'ceph health detail' to show the affected OSDs.
summary: Network issues delaying OSD heartbeats (public network)
expr: ceph_health_detail{name="OSD_SLOW_PING_TIME_FRONT"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephOSDTimeoutsClusterNetwork
annotations:
description: OSD heartbeats on the cluster's 'cluster' network (backend) are slow. Investigate the network for latency issues on this subnet. Use 'ceph health detail' to show the affected OSDs.
summary: Network issues delaying OSD heartbeats (cluster network)
expr: ceph_health_detail{name="OSD_SLOW_PING_TIME_BACK"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephOSDInternalDiskSizeMismatch
annotations:
description: One or more OSDs have an internal inconsistency between metadata and the size of the device. This could lead to the OSD(s) crashing in future. You should redeploy the affected OSDs.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#bluestore-disk-size-mismatch
summary: OSD size inconsistency error
expr: ceph_health_detail{name="BLUESTORE_DISK_SIZE_MISMATCH"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephDeviceFailurePredicted
annotations:
description: The device health module has determined that one or more devices will fail soon. To review device status use 'ceph device ls'. To show a specific device use 'ceph device info <dev id>'. Mark the OSD out so that data may migrate to other OSDs. Once the OSD has drained, destroy the OSD, replace the device, and redeploy the OSD.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#id2
summary: Device(s) predicted to fail soon
expr: ceph_health_detail{name="DEVICE_HEALTH"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephDeviceFailurePredictionTooHigh
annotations:
description: The device health module has determined that devices predicted to fail can not be remediated automatically, since too many OSDs would be removed from the cluster to ensure performance and availability. Prevent data integrity issues by adding new OSDs so that data may be relocated.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#device-health-toomany
summary: Too many devices are predicted to fail, unable to resolve
expr: ceph_health_detail{name="DEVICE_HEALTH_TOOMANY"} == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.7
severity: critical
type: ceph_default
- alert: CephDeviceFailureRelocationIncomplete
annotations:
description: "The device health module has determined that one or more devices will fail soon, but the normal process of relocating the data on the device to other OSDs in the cluster is blocked. \nEnsure that the cluster has available free space. It may be necessary to add capacity to the cluster to allow data from the failing device to successfully migrate, or to enable the balancer."
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#device-health-in-use
summary: Device failure is predicted, but unable to relocate data
expr: ceph_health_detail{name="DEVICE_HEALTH_IN_USE"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephOSDFlapping
annotations:
description: OSD {{ $labels.ceph_daemon }} on {{ $labels.hostname }} was marked down and back up {{ $value | humanize }} times once a minute for 5 minutes. This may indicate a network issue (latency, packet loss, MTU mismatch) on the cluster network, or the public network if no cluster network is deployed. Check the network stats on the listed host(s).
documentation: https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-osd#flapping-osds
summary: Network issues are causing OSDs to flap (mark each other down)
expr: (rate(ceph_osd_up[5m]) * on(ceph_daemon) group_left(hostname) ceph_osd_metadata) * 60 > 1
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.4
severity: warning
type: ceph_default
- alert: CephOSDReadErrors
annotations:
description: An OSD has encountered read errors, but the OSD has recovered by retrying the reads. This may indicate an issue with hardware or the kernel.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#bluestore-spurious-read-errors
summary: Device read errors detected
expr: ceph_health_detail{name="BLUESTORE_SPURIOUS_READ_ERRORS"} == 1
for: 30s
labels:
severity: warning
type: ceph_default
- alert: CephPGImbalance
annotations:
description: OSD {{ $labels.ceph_daemon }} on {{ $labels.hostname }} deviates by more than 30% from average PG count.
summary: PGs are not balanced across OSDs
expr: |
abs(
((ceph_osd_numpg > 0) - on (job) group_left avg(ceph_osd_numpg > 0) by (job)) /
on (job) group_left avg(ceph_osd_numpg > 0) by (job)
) * on (ceph_daemon) group_left(hostname) ceph_osd_metadata > 0.30
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.4.5
severity: warning
type: ceph_default
- name: mds
rules:
- alert: CephFilesystemDamaged
annotations:
description: Filesystem metadata has been corrupted. Data may be inaccessible. Analyze metrics from the MDS daemon admin socket, or escalate to support.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages#cephfs-health-messages
summary: CephFS filesystem is damaged.
expr: ceph_health_detail{name="MDS_DAMAGE"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.5.1
severity: critical
type: ceph_default
- alert: CephFilesystemOffline
annotations:
description: All MDS ranks are unavailable. The MDS daemons managing metadata are down, rendering the filesystem offline.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-all-down
summary: CephFS filesystem is offline
expr: ceph_health_detail{name="MDS_ALL_DOWN"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.5.3
severity: critical
type: ceph_default
- alert: CephFilesystemDegraded
annotations:
description: One or more metadata daemons (MDS ranks) are failed or in a damaged state. At best the filesystem is partially available, at worst the filesystem is completely unusable.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#fs-degraded
summary: CephFS filesystem is degraded
expr: ceph_health_detail{name="FS_DEGRADED"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.5.4
severity: critical
type: ceph_default
- alert: CephFilesystemMDSRanksLow
annotations:
description: The filesystem's 'max_mds' setting defines the number of MDS ranks in the filesystem. The current number of active MDS daemons is less than this value.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-up-less-than-max
summary: Ceph MDS daemon count is lower than configured
expr: ceph_health_detail{name="MDS_UP_LESS_THAN_MAX"} > 0
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephFilesystemInsufficientStandby
annotations:
description: The minimum number of standby daemons required by standby_count_wanted is less than the current number of standby daemons. Adjust the standby count or increase the number of MDS daemons.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-insufficient-standby
summary: Ceph filesystem standby daemons too few
expr: ceph_health_detail{name="MDS_INSUFFICIENT_STANDBY"} > 0
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephFilesystemFailureNoStandby
annotations:
description: An MDS daemon has failed, leaving only one active rank and no available standby. Investigate the cause of the failure or add a standby MDS.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#fs-with-failed-mds
summary: MDS daemon failed, no further standby available
expr: ceph_health_detail{name="FS_WITH_FAILED_MDS"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.5.5
severity: critical
type: ceph_default
- alert: CephFilesystemReadOnly
annotations:
description: The filesystem has switched to READ ONLY due to an unexpected error when writing to the metadata pool. Either analyze the output from the MDS daemon admin socket, or escalate to support.
documentation: https://docs.ceph.com/en/latest/cephfs/health-messages#cephfs-health-messages
summary: CephFS filesystem in read only mode due to write error(s)
expr: ceph_health_detail{name="MDS_HEALTH_READ_ONLY"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.5.2
severity: critical
type: ceph_default
- name: mgr
rules:
- alert: CephMgrModuleCrash
annotations:
description: One or more mgr modules have crashed and have yet to be acknowledged by an administrator. A crashed module may impact functionality within the cluster. Use the 'ceph crash' command to determine which module has failed, and archive it to acknowledge the failure.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#recent-mgr-module-crash
summary: A manager module has recently crashed
expr: ceph_health_detail{name="RECENT_MGR_MODULE_CRASH"} == 1
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.6.1
severity: critical
type: ceph_default
- alert: CephMgrPrometheusModuleInactive
annotations:
description: The mgr/prometheus module at {{ $labels.instance }} is unreachable. This could mean that the module has been disabled or the mgr daemon itself is down. Without the mgr/prometheus module metrics and alerts will no longer function. Open a shell to an admin node or toolbox pod and use 'ceph -s' to to determine whether the mgr is active. If the mgr is not active, restart it, otherwise you can determine module status with 'ceph mgr module ls'. If it is not listed as enabled, enable it with 'ceph mgr module enable prometheus'.
summary: The mgr/prometheus module is not available
expr: up{job="ceph"} == 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.6.2
severity: critical
type: ceph_default
- name: pgs
rules:
- alert: CephPGsInactive
annotations:
description: '{{ $value }} PGs have been inactive for more than 5 minutes in pool {{ $labels.name }}. Inactive placement groups are not able to serve read/write requests.'
summary: One or more placement groups are inactive
expr: ceph_pool_metadata * on(pool_id,instance) group_left() (ceph_pg_total - ceph_pg_active) > 0
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.1
severity: critical
type: ceph_default
- alert: CephPGsUnclean
annotations:
description: '{{ $value }} PGs have been unclean for more than 15 minutes in pool {{ $labels.name }}. Unclean PGs have not recovered from a previous failure.'
summary: One or more placement groups are marked unclean
expr: ceph_pool_metadata * on(pool_id,instance) group_left() (ceph_pg_total - ceph_pg_clean) > 0
for: 15m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.2
severity: warning
type: ceph_default
- alert: CephPGsDamaged
annotations:
description: During data consistency checks (scrub), at least one PG has been flagged as being damaged or inconsistent. Check to see which PG is affected, and attempt a manual repair if necessary. To list problematic placement groups, use 'rados list-inconsistent-pg <pool>'. To repair PGs use the 'ceph pg repair <pg_num>' command.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-damaged
summary: Placement group damaged, manual intervention needed
expr: ceph_health_detail{name=~"PG_DAMAGED|OSD_SCRUB_ERRORS"} == 1
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.4
severity: critical
type: ceph_default
- alert: CephPGRecoveryAtRisk
annotations:
description: Data redundancy is at risk since one or more OSDs are at or above the 'full' threshold. Add more capacity to the cluster, restore down/out OSDs, or delete unwanted data.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-recovery-full
summary: OSDs are too full for recovery
expr: ceph_health_detail{name="PG_RECOVERY_FULL"} == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.5
severity: critical
type: ceph_default
- alert: CephPGUnavailableBlockingIO
annotations:
description: Data availability is reduced, impacting the cluster's ability to service I/O. One or more placement groups (PGs) are in a state that blocks I/O.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-availability
summary: PG is unavailable, blocking I/O
expr: ((ceph_health_detail{name="PG_AVAILABILITY"} == 1) - scalar(ceph_health_detail{name="OSD_DOWN"})) == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.3
severity: critical
type: ceph_default
- alert: CephPGBackfillAtRisk
annotations:
description: Data redundancy may be at risk due to lack of free space within the cluster. One or more OSDs have reached the 'backfillfull' threshold. Add more capacity, or delete unwanted data.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-backfill-full
summary: Backfill operations are blocked due to lack of free space
expr: ceph_health_detail{name="PG_BACKFILL_FULL"} == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.7.6
severity: critical
type: ceph_default
- alert: CephPGNotScrubbed
annotations:
description: 'One or more PGs have not been scrubbed recently. Scrubs check metadata integrity, protecting against bit-rot. They check that metadata is consistent across data replicas. When PGs miss their scrub interval, it may indicate that the scrub window is too small, or PGs were not in a ''clean'' state during the scrub window. You can manually initiate a scrub with: ceph pg scrub <pgid>'
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-not-scrubbed
summary: Placement group(s) have not been scrubbed
expr: ceph_health_detail{name="PG_NOT_SCRUBBED"} == 1
for: 5m
labels:
severity: warning
type: ceph_default
- alert: CephPGsHighPerOSD
annotations:
description: |-
The number of placement groups per OSD is too high (exceeds the mon_max_pg_per_osd setting).
Check that the pg_autoscaler has not been disabled for any pools with 'ceph osd pool autoscale-status', and that the profile selected is appropriate. You may also adjust the target_size_ratio of a pool to guide the autoscaler based on the expected relative size of the pool ('ceph osd pool set cephfs.cephfs.meta target_size_ratio .1') or set the pg_autoscaler mode to 'warn' and adjust pg_num appropriately for one or more pools.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks/#too-many-pgs
summary: Placement groups per OSD is too high
expr: ceph_health_detail{name="TOO_MANY_PGS"} == 1
for: 1m
labels:
severity: warning
type: ceph_default
- alert: CephPGNotDeepScrubbed
annotations:
description: One or more PGs have not been deep scrubbed recently. Deep scrubs protect against bit-rot. They compare data replicas to ensure consistency. When PGs miss their deep scrub interval, it may indicate that the window is too small or PGs were not in a 'clean' state during the deep-scrub window.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-not-deep-scrubbed
summary: Placement group(s) have not been deep scrubbed
expr: ceph_health_detail{name="PG_NOT_DEEP_SCRUBBED"} == 1
for: 5m
labels:
severity: warning
type: ceph_default
- name: nodes
rules:
- alert: CephNodeRootFilesystemFull
annotations:
description: 'Root volume is dangerously full: {{ $value | humanize }}% free.'
summary: Root filesystem is dangerously full
expr: node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"} * 100 < 5
for: 5m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.8.1
severity: critical
type: ceph_default
- alert: CephNodeNetworkPacketDrops
annotations:
description: Node {{ $labels.instance }} experiences packet drop > 0.5% or > 10 packets/s on interface {{ $labels.device }}.
summary: One or more NICs reports packet drops
expr: |
(
rate(node_network_receive_drop_total{device!="lo"}[1m]) +
rate(node_network_transmit_drop_total{device!="lo"}[1m])
) / (
rate(node_network_receive_packets_total{device!="lo"}[1m]) +
rate(node_network_transmit_packets_total{device!="lo"}[1m])
) >= 0.0050000000000000001 and (
rate(node_network_receive_drop_total{device!="lo"}[1m]) +
rate(node_network_transmit_drop_total{device!="lo"}[1m])
) >= 10
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.8.2
severity: warning
type: ceph_default
- alert: CephNodeNetworkPacketErrors
annotations:
description: Node {{ $labels.instance }} experiences packet errors > 0.01% or > 10 packets/s on interface {{ $labels.device }}.
summary: One or more NICs reports packet errors
expr: |
(
rate(node_network_receive_errs_total{device!="lo"}[1m]) +
rate(node_network_transmit_errs_total{device!="lo"}[1m])
) / (
rate(node_network_receive_packets_total{device!="lo"}[1m]) +
rate(node_network_transmit_packets_total{device!="lo"}[1m])
) >= 0.0001 or (
rate(node_network_receive_errs_total{device!="lo"}[1m]) +
rate(node_network_transmit_errs_total{device!="lo"}[1m])
) >= 10
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.8.3
severity: warning
type: ceph_default
- alert: CephNodeNetworkBondDegraded
annotations:
description: Bond {{ $labels.master }} is degraded on Node {{ $labels.instance }}.
summary: Degraded Bond on Node {{ $labels.instance }}
expr: |
node_bonding_slaves - node_bonding_active != 0
labels:
severity: warning
type: ceph_default
- alert: CephNodeInconsistentMTU
annotations:
description: Node {{ $labels.instance }} has a different MTU size ({{ $value }}) than the median of devices named {{ $labels.device }}.
summary: MTU settings across Ceph hosts are inconsistent
expr: node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) == scalar( max by (device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) != quantile by (device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) )or node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) == scalar( min by (device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) != quantile by (device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) )
labels:
severity: warning
type: ceph_default
- name: pools
rules:
- alert: CephPoolGrowthWarning
annotations:
description: Pool '{{ $labels.name }}' will be full in less than 5 days assuming the average fill-up rate of the past 48 hours.
summary: Pool growth rate may soon exceed capacity
expr: (predict_linear(ceph_pool_percent_used[2d], 3600 * 24 * 5) * on(pool_id, instance, pod) group_right() ceph_pool_metadata) >= 95
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.9.2
severity: warning
type: ceph_default
- alert: CephPoolBackfillFull
annotations:
description: A pool is approaching the near full threshold, which will prevent recovery/backfill operations from completing. Consider adding more capacity.
summary: Free space in a pool is too low for recovery/backfill
expr: ceph_health_detail{name="POOL_BACKFILLFULL"} > 0
labels:
severity: warning
type: ceph_default
- alert: CephPoolFull
annotations:
description: A pool has reached its MAX quota, or OSDs supporting the pool have reached the FULL threshold. Until this is resolved, writes to the pool will be blocked. Pool Breakdown (top 5) {{- range query "topk(5, sort_desc(ceph_pool_percent_used * on(pool_id) group_right ceph_pool_metadata))" }} - {{ .Labels.name }} at {{ .Value }}% {{- end }} Increase the pool's quota, or add capacity to the cluster first then increase the pool's quota (e.g. ceph osd pool set quota <pool_name> max_bytes <bytes>)
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pool-full
summary: Pool is full - writes are blocked
expr: ceph_health_detail{name="POOL_FULL"} > 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.9.1
severity: critical
type: ceph_default
- alert: CephPoolNearFull
annotations:
description: A pool has exceeded the warning (percent full) threshold, or OSDs supporting the pool have reached the NEARFULL threshold. Writes may continue, but you are at risk of the pool going read-only if more capacity isn't made available. Determine the affected pool with 'ceph df detail', looking at QUOTA BYTES and STORED. Increase the pool's quota, or add capacity to the cluster first then increase the pool's quota (e.g. ceph osd pool set quota <pool_name> max_bytes <bytes>). Also ensure that the balancer is active.
summary: One or more Ceph pools are nearly full
expr: ceph_health_detail{name="POOL_NEAR_FULL"} > 0
for: 5m
labels:
severity: warning
type: ceph_default
- name: healthchecks
rules:
- alert: CephSlowOps
annotations:
description: '{{ $value }} OSD requests are taking too long to process (osd_op_complaint_time exceeded)'
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#slow-ops
summary: OSD operations are slow to complete
expr: ceph_healthcheck_slow_ops > 0
for: 30s
labels:
severity: warning
type: ceph_default
- alert: CephDaemonSlowOps
annotations:
description: '{{ $labels.ceph_daemon }} operations are taking too long to process (complaint time exceeded)'
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#slow-ops
summary: '{{ $labels.ceph_daemon }} operations are slow to complete'
expr: ceph_daemon_health_metrics{type="SLOW_OPS"} > 0
for: 30s
labels:
severity: warning
type: ceph_default
- name: hardware
rules:
- alert: HardwareStorageError
annotations:
description: Some storage devices are in error. Check `ceph health detail`.
summary: Storage devices error(s) detected
expr: ceph_health_detail{name="HARDWARE_STORAGE"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.1
severity: critical
type: ceph_default
- alert: HardwareMemoryError
annotations:
description: DIMM error(s) detected. Check `ceph health detail`.
summary: DIMM error(s) detected
expr: ceph_health_detail{name="HARDWARE_MEMORY"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.2
severity: critical
type: ceph_default
- alert: HardwareProcessorError
annotations:
description: Processor error(s) detected. Check `ceph health detail`.
summary: Processor error(s) detected
expr: ceph_health_detail{name="HARDWARE_PROCESSOR"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.3
severity: critical
type: ceph_default
- alert: HardwareNetworkError
annotations:
description: Network error(s) detected. Check `ceph health detail`.
summary: Network error(s) detected
expr: ceph_health_detail{name="HARDWARE_NETWORK"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.4
severity: critical
type: ceph_default
- alert: HardwarePowerError
annotations:
description: Power supply error(s) detected. Check `ceph health detail`.
summary: Power supply error(s) detected
expr: ceph_health_detail{name="HARDWARE_POWER"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.5
severity: critical
type: ceph_default
- alert: HardwareFanError
annotations:
description: Fan error(s) detected. Check `ceph health detail`.
summary: Fan error(s) detected
expr: ceph_health_detail{name="HARDWARE_FANS"} > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.13.6
severity: critical
type: ceph_default
- name: PrometheusServer
rules:
- alert: PrometheusJobMissing
annotations:
description: The prometheus job that scrapes from Ceph MGR is no longer defined, this will effectively mean you'll have no metrics or alerts for the cluster. Please review the job definitions in the prometheus.yml file of the prometheus instance.
summary: The scrape job for Ceph MGR is missing from Prometheus
expr: absent(up{job="rook-ceph-mgr"})
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.12.1
severity: critical
type: ceph_default
- alert: PrometheusJobExporterMissing
annotations:
description: The prometheus job that scrapes from Ceph Exporter is no longer defined, this will effectively mean you'll have no metrics or alerts for the cluster. Please review the job definitions in the prometheus.yml file of the prometheus instance.
summary: The scrape job for Ceph Exporter is missing from Prometheus
expr: sum(absent(up{job="rook-ceph-exporter"})) and sum(ceph_osd_metadata{ceph_version=~"^ceph version (1[89]|[2-9][0-9]).*"}) > 0
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.12.1
severity: critical
type: ceph_default
- name: rados
rules:
- alert: CephObjectMissing
annotations:
description: The latest version of a RADOS object can not be found, even though all OSDs are up. I/O requests for this object from clients will block (hang). Resolving this issue may require the object to be rolled back to a prior version manually, and manually verified.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#object-unfound
summary: Object(s) marked UNFOUND
expr: (ceph_health_detail{name="OBJECT_UNFOUND"} == 1) * on() (count(ceph_osd_up == 1) == bool count(ceph_osd_metadata)) == 1
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.10.1
severity: critical
type: ceph_default
- name: generic
rules:
- alert: CephDaemonCrash
annotations:
description: One or more daemons have crashed recently, and need to be acknowledged. This notification ensures that software crashes do not go unseen. To acknowledge a crash, use the 'ceph crash archive <id>' command.
documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks/#recent-crash
summary: One or more Ceph daemons have crashed, and are pending acknowledgement
expr: ceph_health_detail{name="RECENT_CRASH"} == 1
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.1.2
severity: critical
type: ceph_default
- name: rbdmirror
rules:
- alert: CephRBDMirrorImagesPerDaemonHigh
annotations:
description: Number of image replications per daemon is not supposed to go beyond threshold 100
summary: Number of image replications are now above 100
expr: sum by (ceph_daemon, namespace) (ceph_rbd_mirror_snapshot_image_snapshots) > 100
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.10.2
severity: critical
type: ceph_default
- alert: CephRBDMirrorImagesNotInSync
annotations:
description: Both local and remote RBD mirror images should be in sync.
summary: Some of the RBD mirror images are not in sync with the remote counter parts.
expr: sum by (ceph_daemon, image, namespace, pool) (topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_local_timestamp) - topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_remote_timestamp)) != 0
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.10.3
severity: critical
type: ceph_default
- alert: CephRBDMirrorImagesNotInSyncVeryHigh
annotations:
description: More than 10% of the images have synchronization problems
summary: Number of unsynchronized images are very high.
expr: count by (ceph_daemon) ((topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_local_timestamp) - topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_remote_timestamp)) != 0) > (sum by (ceph_daemon) (ceph_rbd_mirror_snapshot_snapshots)*.1)
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.10.4
severity: critical
type: ceph_default
- alert: CephRBDMirrorImageTransferBandwidthHigh
annotations:
description: Detected a heavy increase in bandwidth for rbd replications (over 80%) in the last 30 min. This might not be a problem, but it is good to review the number of images being replicated simultaneously
summary: The replication network usage has been increased over 80% in the last 30 minutes. Review the number of images being replicated. This alert will be cleaned automatically after 30 minutes
expr: rate(ceph_rbd_mirror_journal_replay_bytes[30m]) > 0.80
for: 1m
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.10.5
severity: warning
type: ceph_default
- name: nvmeof
rules:
- alert: NVMeoFSubsystemNamespaceLimit
annotations:
description: Subsystems have a max namespace limit defined at creation time. This alert means that no more namespaces can be added to {{ $labels.nqn }}
summary: '{{ $labels.nqn }} subsystem has reached its maximum number of namespaces '
expr: (count by(nqn) (ceph_nvmeof_subsystem_namespace_metadata)) >= ceph_nvmeof_subsystem_namespace_limit
for: 1m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFTooManyGateways
annotations:
description: You may create many gateways, but 4 is the tested limit
summary: 'Max supported gateways exceeded '
expr: count(ceph_nvmeof_gateway_info) > 4.00
for: 1m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFMaxGatewayGroupSize
annotations:
description: You may create many gateways in a gateway group, but 2 is the tested limit
summary: 'Max gateways within a gateway group ({{ $labels.group }}) exceeded '
expr: count by(group) (ceph_nvmeof_gateway_info) > 2.00
for: 1m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFSingleGatewayGroup
annotations:
description: Although a single member gateway group is valid, it should only be used for test purposes
summary: 'The gateway group {{ $labels.group }} consists of a single gateway - HA is not possible '
expr: count by(group) (ceph_nvmeof_gateway_info) == 1
for: 5m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFHighGatewayCPU
annotations:
description: Typically, high CPU may indicate degraded performance. Consider increasing the number of reactor cores
summary: 'CPU used by {{ $labels.instance }} NVMe-oF Gateway is high '
expr: label_replace(avg by(instance) (rate(ceph_nvmeof_reactor_seconds_total{mode="busy"}[1m])),"instance","$1","instance","(.*):.*") > 80.00
for: 10m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFGatewayOpenSecurity
annotations:
description: It is good practice to ensure subsystems use host security to reduce the risk of unexpected data loss
summary: 'Subsystem {{ $labels.nqn }} has been defined without host level security '
expr: ceph_nvmeof_subsystem_metadata{allow_any_host="yes"}
for: 5m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFTooManySubsystems
annotations:
description: Although you may continue to create subsystems in {{ $labels.gateway_host }}, the configuration may not be supported
summary: 'The number of subsystems defined to the gateway exceeds supported values '
expr: count by(gateway_host) (label_replace(ceph_nvmeof_subsystem_metadata,"gateway_host","$1","instance","(.*):.*")) > 16.00
for: 1m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFVersionMismatch
annotations:
description: This may indicate an issue with deployment. Check cephadm logs
summary: 'The cluster has different NVMe-oF gateway releases active '
expr: count(count by(version) (ceph_nvmeof_gateway_info)) > 1
for: 1h
labels:
severity: warning
type: ceph_default
- alert: NVMeoFHighClientCount
annotations:
description: The supported limit for clients connecting to a subsystem is 32
summary: 'The number of clients connected to {{ $labels.nqn }} is too high '
expr: ceph_nvmeof_subsystem_host_count > 32.00
for: 1m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFHighHostCPU
annotations:
description: High CPU on a gateway host can lead to CPU contention and performance degradation
summary: 'The CPU is high ({{ $value }}%) on NVMeoF Gateway host ({{ $labels.host }}) '
expr: 100-((100*(avg by(host) (label_replace(rate(node_cpu_seconds_total{mode="idle"}[5m]),"host","$1","instance","(.*):.*")) * on(host) group_right label_replace(ceph_nvmeof_gateway_info,"host","$1","instance","(.*):.*")))) >= 80.00
for: 10m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFInterfaceDown
annotations:
description: A NIC used by one or more subsystems is in a down state
summary: 'Network interface {{ $labels.device }} is down '
expr: ceph_nvmeof_subsystem_listener_iface_info{operstate="down"}
for: 30s
labels:
oid: 1.3.6.1.4.1.50495.1.2.1.14.1
severity: warning
type: ceph_default
- alert: NVMeoFInterfaceDuplex
annotations:
description: Until this is resolved, performance from the gateway will be degraded
summary: 'Network interface {{ $labels.device }} is not running in full duplex mode '
expr: ceph_nvmeof_subsystem_listener_iface_info{duplex!="full"}
for: 30s
labels:
severity: warning
type: ceph_default
- alert: NVMeoFHighReadLatency
annotations:
description: High latencies may indicate a constraint within the cluster e.g. CPU, network. Please investigate
summary: The average read latency over the last 5 mins has reached 10 ms or more on {{ $labels.gateway }}
expr: label_replace((avg by(instance) ((rate(ceph_nvmeof_bdev_read_seconds_total[1m]) / rate(ceph_nvmeof_bdev_reads_completed_total[1m])))),"gateway","$1","instance","(.*):.*") > 0.01
for: 5m
labels:
severity: warning
type: ceph_default
- alert: NVMeoFHighWriteLatency
annotations:
description: High latencies may indicate a constraint within the cluster e.g. CPU, network. Please investigate
summary: The average write latency over the last 5 mins has reached 20 ms or more on {{ $labels.gateway }}
expr: label_replace((avg by(instance) ((rate(ceph_nvmeof_bdev_write_seconds_total[5m]) / rate(ceph_nvmeof_bdev_writes_completed_total[5m])))),"gateway","$1","instance","(.*):.*") > 0.02
for: 5m
labels:
severity: warning
type: ceph_default