http://docs.ceph.com/docs/master/install/get-packages/
/usr/lib/python2.7/site-packages/ceph_deploy/install.py
[root@localhost /home/dhhy/ceph-cluster]# ceph-deploy purge node1
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO ] Invoked (1.5.25): /usr/bin/ceph-deploy purge node1
[ceph_deploy.install][INFO ] note that some dependencies will not be removed because they can cause issues with qemu-kvm
[ceph_deploy.install][INFO ] like: librbd1 and librados2
[ceph_deploy.install][DEBUG ] Purging from cluster ceph hosts node1
[ceph_deploy.install][DEBUG ] Detecting platform for host node1 ...
root@node1's password:
root@node1's password:
[node1][DEBUG ] connected to host: node1
[node1][DEBUG ] detect platform information from remote host
[node1][DEBUG ] detect machine type
[ceph_deploy.install][INFO ] Distro info: CentOS Linux 7.4.1708 Core
[node1][INFO ] purging host ... node1
[node1][INFO ] Running command: yum -y -q remove ceph ceph-release ceph-common ceph-radosgw
[node1][WARNIN] 参数 ceph 没有匹配
[node1][WARNIN] 参数 ceph-release 没有匹配
[node1][WARNIN] 参数 ceph-common 没有匹配
[node1][WARNIN] 参数 ceph-radosgw 没有匹配
[node1][INFO ] Running command: yum clean all
[node1][DEBUG ] 已加载插件：fastestmirror, priorities
[node1][DEBUG ] 正在清理软件源： c7-media
[node1][DEBUG ] Cleaning up everything
[node1][DEBUG ] Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos
[node1][DEBUG ] Cleaning up list of fastest mirrors
