Manage Rook-orchestrated Ceph clusters on Kubernetes: bootstrapping, storage class provisioning, OSD failure recovery, upgrades, node drain safety, and health diagnostics using the Rook operator and Ceph toolbox. Use when: installing Rook/Ceph, creating a CephCluster, adding OSDs or storage pools, troubleshooting HEALTH_WARN or HEALTH_ERR, recovering a failed OSD, draining a Kubernetes node that hosts Ceph OSDs, upgrading the Rook operator or Ceph version, creating RBD or CephFS storage classes, or diagnosing PVC binding failures on Ceph-backed storage. Operating model: GitOps/Controller — Rook operator reconciles CephCluster and related CRDs from Git. Direct ceph tool co…
