| groups: | |
| - name: persistent-volume-alert.rules | |
| rules: | |
| - alert: PersistentVolumeUsageNearFull | |
| annotations: | |
| description: PVC {{ $labels.persistentvolumeclaim }} utilization has crossed 75%. Free up some space or expand the PVC. | |
| message: PVC {{ $labels.persistentvolumeclaim }} is nearing full. Data deletion or PVC expansion is required. | |
| severity_level: warning | |
| storage_type: ceph | |
| expr: | | |
| (kubelet_volume_stats_used_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass) group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) / (kubelet_volume_stats_capacity_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass) group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) > 0.75 | |
| for: 5s | |
| labels: | |
| severity: warning | |
| - alert: PersistentVolumeUsageCritical | |
| annotations: | |
| description: PVC {{ $labels.persistentvolumeclaim }} utilization has crossed 85%. Free up some space or expand the PVC immediately. | |
| message: PVC {{ $labels.persistentvolumeclaim }} is critically full. Data deletion or PVC expansion is required. | |
| severity_level: error | |
| storage_type: ceph | |
| expr: | | |
| (kubelet_volume_stats_used_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass) group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) / (kubelet_volume_stats_capacity_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass) group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) > 0.85 | |
| for: 5s | |
| labels: | |
| severity: critical |