Operation on client ：
yum -y install centos-release-ceph-nautilus.noarch
yum -y install ceph-common
ceph Operation on the server ：
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/
Operation on client ：
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
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