Kubernetes Production Storage Architecture

Kubernetes Production Storage Architecture An architecture diagram generated by Archify. Kubernetes workloads · stateful applications · Architecture component Kubernetes workloads stateful applications PersistentVolumeClaims · RWO or RWX requests · Kubernetes · storage namespace and cluster-scoped CSI API PersistentVolumeClaims RWO or RWX requests StorageClasses · ceph-rbd default · nfs retained · Kubernetes · storage namespace and cluster-scoped CSI API StorageClasses ceph-rbd default · nfs retained Ceph RBD CSI · v3.15.1 provisioner + node plugin · Kubernetes · storage namespace and cluster-scoped CSI API Ceph RBD CSI v3.15.1 provisioner + node plugin NFS CSI · v4.10.0 controller + node plugin · Kubernetes · storage namespace and cluster-scoped CSI API NFS CSI v4.10.0 controller + node plugin External Ceph cluster · RBD pool · three monitors · Architecture component External Ceph cluster RBD pool · three monitors External NFS server · NFS 4.2 · /shares/k8s_dc · Architecture component External NFS server NFS 4.2 · /shares/k8s_dc Backup subsystem · Kasten snapshot requests · Architecture component Backup subsystem Kasten snapshot requests CSI snapshot API · CRDs + snapshot controller v8.4.0 · Kubernetes · storage namespace and cluster-scoped CSI API CSI snapshot API CRDs + snapshot controller v8.4.0 VolumeSnapshotClasses · Ceph RBD and NFS · Kubernetes · storage namespace and cluster-scoped CSI API VolumeSnapshotClasses Ceph RBD and NFS Vault-backed Ceph secret · 60 s refresh · Kubernetes · storage namespace and cluster-scoped CSI API Vault-backed Ceph secret 60 s refresh claim storage select class RWO provisioning RWX provisioning RBD images NFS 4.2 mounts VolumeSnapshot requests reconcile snapshots RBD snapshots NFS snapshots Ceph credentials Kubernetes · storage namespace and cluster-scoped CSI API Legend Backend Database Cloud Security Message bus External