http://www.cnblogs.com/jyzhao/p/4775942.html
https://access.redhat.com/documentation/zh-CN/Red_Hat_Enterprise_Linux/6/html/Cluster_Administration/s2-admin-manage-ha-services-operations-cli-CA.html
http://www.cnblogs.com/jyzhao/p/4775942.html
https://access.redhat.com/documentation/zh-CN/Red_Hat_Enterprise_Linux/6/html/Cluster_Administration/s2-admin-manage-ha-services-operations-cli-CA.html