安装ceph客户端

apt install ceph -y       # ubuntu
yum install ceph -y     # centos

查看现有的pool

ceph osd lspools

创建pool

ceph osd pool create pool_name pg_num

查看pool列表

ceph osd lspools

创建块存储

 rbd create image-name --size megabytes --pool pool_name