安装ceph组件

ceph版本为14.2.16 nautilus

1.创建ceph目录(deploy节点执行)

mkdir -p /etc/ceph

2.配置主机互信(deploy节点执行)

ssh-keygen -t rsa -b 2048 -N '' -f ~/.ssh/id_rsa
ssh-copy-id ceph01
ssh-copy-id ceph02
ssh-copy-id ceph03

3.安装ceph(所有节点执行)

yum install -y ceph ceph-deploy

4.初始化mon节点(deploy节点执行)

ceph-deploy new ceph01 ceph02 ceph03

5.初始化mon(deploy节点执行)

ceph-deploy mon create-initial

6.修改集群文件(deploy节点执行)

cd /etc/ceph/
echo "public_network=192.168.1.0/24" >> /etc/ceph/ceph.conf
ceph-deploy --overwrite-conf config push ceph01 ceph02 ceph03

7.配置admin节点

cd /etc/ceph/
ceph-deploy admin ceph01 ceph02 ceph03

8.查看集群状态

[root@ceph01 ~]# ceph -s
  cluster:
    id:     b1c2511e-a1a5-4d6d-a4be-0e7f0d6d4294
    health: HEALTH_WARN
            mon ceph03 is low on available space

  services:
    mon: 3 daemons, quorum ceph01,ceph02,ceph03 (age 31m)
    mgr: no daemons active
    OSD: 0 OSDs: 0 up, 0 in

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   0 B used, 0 B / 0 B avail
    pgs:

9.安装命令补全

yum -y install bash-completion
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