# 配置3个节点ubuntu 20操作系统源
 cat /etc/apt/sources.list
 deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
 deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
 deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
 deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
# 配置3个节点的hosts
 /etc/hosts
 192.168.1.196   u196
 192.168.1.197   u197
 192.168.1.198   u198
# 配置3个节点时间同步,196节点配置,拷贝到197和198节点
 vi /etc/chrony/chrony.conf
 pool u196        iburst maxsources 4
scp chrony.conf u197:/etc/chrony/
 scp chrony.conf u198:/etc/chrony/
systemctl restart chrony
 systemctl restart chronyd
 chronyc sources
 # 部署docker
 apt install ca-certificates curl gnupg lsb-release
curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
 add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
 apt install docker-ce docker-ce-cli containerd.io apt-transport-https software-properties-common -y
 # 启动docker
 systemctl status docker
 systemctl restart docker
# 添加 ceph 源证书
 wget -q -O- 'https://download.ceph.com/keys/release.asc' | sudo apt-key add -
# 添加ceph apt 源
 echo 'deb https://mirrors.tuna.tsinghua.edu.cn/ceph/debian-quincy/ focal main' > /etc/apt/sources.list.d/ceph.list
 # 更新本地apt源
 apt update
# 安装ceph-common和cephadm
 apt install ceph-common cephadm -y
# 拉取ceph 17镜像
 docker pull quay.io/ceph/ceph:v17.2
 docker pull quay.io/ceph/ceph-grafana:9.4.12
 docker pull quay.io/prometheus/node-exporter:latest
 docker pull quay.io/prometheus/alertmanager:latest
 docker pull quay.io/prometheus/prometheus:latest
# 196节点部署mon
 cephadm --image quay.io/ceph/ceph:v17.2 bootstrap --mon-ip 192.168.1.196 --initial-dashboard-user admin --initial-dashboard-password liuy5277 --allow-mismatched-release
 # 添加mon/mgr节点host
 ssh-copy-id -f -i /etc/ceph/ceph.pub u197
 ssh-copy-id -f -i /etc/ceph/ceph.pub u198
ceph orch host add u197 192.168.1.197 --labels=_admin
 ceph orch host add u198 192.168.1.198 --labels=_admin
# 添加osd
 ceph orch apply osd --all-available-devices --unmanaged=true
ceph orch daemon add osd u196:/dev/vdb
 ceph orch daemon add osd u197:/dev/vdb
 ceph orch daemon add osd u198:/dev/vdb
# 部署mds
 ceph orch apply mds cephfs --placement='3 u196 u197 u198'
ceph osd pool create cephfs_data 128
 ceph osd pool create cephfs_metadata 64
 ceph fs new cephfs01 cephfs_data cephfs_metadata
# 部署nfs
 ceph nfs cluster create d449eb1e-eb79-11ee-a6d1-8bc03479c953 "u196,u197,u198" --port 2049
 mount -t ceph u201:6789:/ /cephfs -o name=admin,secret=AQAV1gJmalYIKBAAEzizP5sY1aeCRs2/grhB0w==,_netdev
 mkdir /cephfs/data
创建别名为nfs01的共享,存储数据在cephfs的/data里面
 ceph nfs export create cephfs --cluster-id d449eb1e-eb79-11ee-a6d1-8bc03479c953 --pseudo-path /nfs01 --fsname=cephfs01 --path=/data
 {
     "bind": "/nfs01",
     "fs": "cephfs01",
     "path": "/data",
     "cluster": "4101504e-e364-11ee-a68e-99388f3ce351",
     "mode": "RW"
 }
 root@u196:~#