lsblk -f
NAME                  FSTYPE      LABEL UUID                                   MOUNTPOINT
vda
└─vda1                LVM2_member       eSO50t-GkUV-YKTH-WsGq-hNJY-eKNf-3i07IB
  ├─ubuntu--vg-root   ext4              c2366f76-6e21-4f10-a8f3-6776212e2fe4   /
  └─ubuntu--vg-swap_1 swap              9492a3dc-ad75-47cd-9596-678e8cf17ff9   [SWAP]
vdb

dd if=/dev/zero of=/dev/sdd bs=512K count=1
fdisk -l /dev/sdd
Disk /dev/sdd: 149.5 GiB, 160041885696 bytes, 312581808 sectors
Disk model: WDC WD1600AAJS-0
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

git clone --single-branch --branch v1.4.7 https://github.com/rook/rook.git
cd rook/cluster/examples/kubernetes/ceph
kubectl create -f common.yaml
kubectl create -f operator.yaml
# kubectl create -f cluster.yaml

diff --git a/cluster/examples/kubernetes/ceph/cluster.yaml b/cluster/examples/kubernetes/ceph/cluster.yaml
index b57b8892..efc1c336 100644
--- a/cluster/examples/kubernetes/ceph/cluster.yaml
+++ b/cluster/examples/kubernetes/ceph/cluster.yaml

# 因为只用了一台机器上的磁盘，所以这个监控服务只用部署一个就行了

@@ -40,7 +40,7 @@ spec:
   continueUpgradeAfterChecksEvenIfNotHealthy: false
   # set the amount of mons to be started
   mon:
-    count: 3
+    count: 1
     allowMultiplePerNode: false
   mgr:
     modules:
     
# 这两个配置是使用全部的节点上的全部磁盘，一般不推荐这样设置，因为它也会把默认的系统盘识别到里面。
     
@@ -176,8 +176,8 @@ spec:
 #    osd: rook-ceph-osd-priority-class
 #    mgr: rook-ceph-mgr-priority-class
   storage: # cluster level storage configuration and selection
-    useAllNodes: true
-    useAllDevices: true
+    useAllNodes: false
+    useAllDevices: false
     #deviceFilter:
     config:
       # metadataDevice: "md0" # specify a non-rotational storage so ceph-volume will use it as block db device of bluestore.
       
# 下面就是指定了ub4的各个使用硬盘名字
       
@@ -187,7 +187,7 @@ spec:
       # encryptedDevice: "true" # the default value for this option is "false"
 # Individual nodes and their config can be specified as well, but 'useAllNodes' above must be set to false. Then, only the named
 # nodes below will be used as storage resources.  Each node's 'name' field should match their 'kubernetes.io/hostname' label.
-#    nodes:
+    nodes:
 #    - name: "172.17.4.201"
 #      devices: # specific devices to use for storage can be specified for each node
 #      - name: "sdb"
@@ -199,6 +199,12 @@ spec:
 #        storeType: filestore
 #    - name: "172.17.4.301"
 #      deviceFilter: "^sd."
+    - name: "192.168.31.186"
+      devices:
+      - name: "sdb"
+      - name: "sdc"
+      - name: "sdd"
+      - name: "sde"
   # The section for configuring management of daemon disruptions during upgrade or fencing.
   disruptionManagement:
     # If true, the operator will create and manage PodDisruptionBudgets for OSD, Mon, RGW, and MDS daemons. OSD PDBs are managed dynamically

kubectl create -f cluster.yaml

diff --git a/cluster/examples/kubernetes/ceph/object.yaml b/cluster/examples/kubernetes/ceph/object.yaml
index dfadaee6..416e725c 100644
--- a/cluster/examples/kubernetes/ceph/object.yaml
+++ b/cluster/examples/kubernetes/ceph/object.yaml
@@ -12,7 +12,7 @@ metadata:
 spec:
   # The pool spec used to create the metadata pools. Must use replication.
   metadataPool:
-    failureDomain: host
+    failureDomain: osd
     replicated:
       size: 3
       # Disallow setting pool with replica 1, this could lead to data loss without recovery.
@@ -27,7 +27,7 @@ spec:
       #target_size_ratio: ".5"
   # The pool spec used to create the data pool. Can use replication or erasure coding.
   dataPool:
-    failureDomain: host
+    failureDomain: osd
     replicated:
       size: 3
       # Disallow setting pool with replica 1, this could lead to data loss without recovery.

kubectl create -f object.yml

apiVersion: v1
kind: Service
metadata:
  name: rook-ceph-mgr-dashboard-external-https
  namespace: rook-ceph
  labels:
    app: rook-ceph-mgr
    rook_cluster: rook-ceph
spec:
  ports:
  - name: dashboard
    port: 8443
    protocol: TCP
    targetPort: 8443
  selector:
    app: rook-ceph-mgr
    rook_cluster: rook-ceph
  sessionAffinity: None
  type: NodePort

kubectl create -f dashboard-external-https.yaml
$ kubectl -n rook-ceph get service
NAME                                    TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)          AGE
rook-ceph-mgr                           ClusterIP   10.108.111.192   <none>        9283/TCP         4h
rook-ceph-mgr-dashboard                 ClusterIP   10.110.113.240   <none>        8443/TCP         4h
rook-ceph-mgr-dashboard-external-https  NodePort    10.101.209.6     <none>        8443:31176/TCP   4h

kubectl -n rook-ceph get secret rook-ceph-dashboard-password -o jsonpath="{['data']['password']}" | base64 --decode && echo