View Ceph cluster summary through the Container Cloud web UI

Verifying Ceph cluster state is an entry point for issues investigation. Through the Ceph Clusters page of the Container Cloud web UI, you can view a detailed summary on all Ceph clusters deployed, including the cluster name and ID, health status, number of Ceph OSDs, and so on.

To view Ceph cluster summary:

  1. Log in to the Container Cloud web UI with the m:kaas:namespace@operator or m:kaas:namespace@writer permissions.

  2. Switch to the required project using the Switch Project action icon located on top of the main left-side navigation panel.

  3. In the Clusters tab, click the required cluster name. The page with cluster details opens.

  4. In the Ceph Clusters tab, verify the overall cluster health and rebalancing statuses.

  5. Available since Cluster releases 17.0.0 and 16.0.0. Click Cluster Details:

    • The Machines tab contains the list of deployed Ceph machines with the following details:

      • Status - deployment status

      • Role - role assigned to a machine, manager or monitor

      • Storage devices - number of storage devices assigned to a machine

      • UP OSDs and IN OSDs - number of up and in Ceph OSDs belonging to a machine


      To obtain details about a specific machine used for Ceph deployment, in the Clusters > <clusterName> > Machines tab, click the required machine name containing the storage label.

    • The OSDs tab contains the list of Ceph OSDs comprising the Ceph cluster with the following details:

      • OSD - Ceph OSD ID

      • Storage Device ID - storage device ID assigned to a Ceph OSD

      • Type - type of storage device assigned to a Ceph OSD

      • Partition - partition name where Ceph OSD is located

      • Machine - machine name where Ceph OSD is located

      • UP/DOWN - status of a Ceph OSD in a cluster

      • IN/OUT - service state of a Ceph OSD in a cluster