apiVersion: ceph.rook.io/v1
kind: CephFilesystem
metadata:
  name: rook-ceph-filesystem
  namespace: rook-ceph
spec:
  metadataPool:
    replicated:
      size: 3
    parameters:
      compression_mode: none
  dataPools:
    - name: data0
      failureDomain: host
      replicated:
        size: 3
      parameters:
        compression_mode: aggressive
  preserveFilesystemOnDelete: true
  metadataServer:
    activeCount: 2
    activeStandby: true
    placement:
      nodeAffinity:
        requiredDuringSchedulingIgnoredDuringExecution:
          nodeSelectorTerms:
            - matchExpressions:
                - key: node-role.kubernetes.io/control-plane
                  operator: DoesNotExist
      tolerations:
        - key: node-role.kubernetes.io/control-plane
          operator: Exists
          effect: NoSchedule
          tolerationSeconds: 0
    resources:
      requests:
        cpu: "500m"
        memory: 512Mi
      limits:
        cpu: "1"
        memory: 1Gi
    priorityClassName: system-cluster-critical