客户端上操作：

yum -y install centos-release-ceph-nautilus.noarch

yum -y install ceph-common

ceph 服务器上操作：

ceph auth get-or-create client.clt132 mon 'allow r' osd 'allow class-read object_prefix rbd_children,allow rwx pool=rbd'

# ceph auth get-or-create client.clt132 mon 'allow r' osd 'allow class-read object_prefix rbd_children,allow rwx pool=rbd'

[client.clt132]

key = AQCRVYldu2N4CBAAD5UiNpWnrE3GlHVLa12Miw==

ceph auth get-or-create client.clt132 | tee /etc/ceph/ceph.client.clt132.keyring

scp /etc/ceph/ceph.client.clt132.keyring 192.168.111.132:/etc/ceph/

scp /etc/ceph/ceph.conf 192.168.111.132:/etc/ceph/

客户端上操作：

rbd --image rbd_data1 info --name client.clt132

ceph -s --name client.clt132

rbd create rbd/rbd132 --size 1G --image-feature layering --name client.clt132

rbd --image rbd132 info --name client.clt132

rbd map rbd/rbd132 --name client.clt132

rbd showmapped --name client.clt132

mkfs.xfs /dev/rbd0

mount /dev/rbd0 /mnt/

df -h

umount /mnt/

rbd unmap rbd/rbd132 --name client.clt132

rbd map rbd/rbd_data1 --name client.clt132

mount /dev/rbd1 /mnt/

umount /mnt/

rbd unmap rbd/rbd_data1 --name client.clt132