在 CLI 中取消配置群集等同于使用 BUI 取消配置按钮。如果用户尝试取消配置某个未处于正确状态的群集，则会显示错误消息。
configuration cluster> help
Subcommands that are valid in this context:
resources => Configure resources
help [topic] => Get context-sensitive help. If [topic] is specified,
it must be one of "builtins", "commands", "general",
"help", "script" or "properties".
show => Show information pertinent to the current context
done => Finish operating on "cluster"
get [prop] => Get value for property [prop]. ("help properties"
for valid properties.) If [prop] is not specified,
returns values for all properties.
setup => Run through initial cluster setup
failback => Fail back all resources assigned to the cluster peer
takeover => Take over all resources assigned to the cluster peer
unconfig => Unconfigure the cluster
links => Report the state of the cluster links
