Rook-Ceph : create ceph cluster

create-cluster.yaml

apiVersion: ceph.rook.io/v1
kind: CephCluster
metadata:
  name: my-rook-ceph
  namespace: my-rook-ceph
spec:
  cephVersion:
    image: 'ceph/ceph:v14.2.1-20190430'
  dataDirHostPath: /var/lib/rook
  mon:
    count: 3
    allowMultiplePerNode: false
  dashboard:
    enabled: true
  network:
    hostNetwork: false
  rbdMirroring:
    workers: 0
  placement:
    all:
      nodeAffinity:
        requiredDuringSchedulingIgnoredDuringExecution:
          nodeSelectorTerms:
          - matchExpressions:
            - key: nodetype
              operator: In
              values:
              - storage
      podAffinity:
      podAntiAffinity:
      tolerations:
      - key: nodetype
        operator: Equal
        value: storage
        effect: "NoSchedule"
  storage:
    useAllNodes: true
    useAllDevices: true