hello everyone: I met the following problem, I don't know why? [root@n1 cluster_rhel4]# cman_tool join cman_tool: cannot find local node name "n1" in ccs My cluster.conf is: <?xml version="1.0"?> <cluster name="cluster1" config_version="1"> <cman two_node="1" expected_votes="1"> </cman> <clusternodes> <clusternode name="n1" votes="1"> <fence> <method name="single"> <device name="human" ipaddr="n1"/> </method> </fence> </clusternode> <clusternode name="n2" votes="1"> <fence> <method name="single"> <device name="human" ipaddr="n2"/> </method> </fence> </clusternode> </clusternodes> <fence_devices> <fence_device name="human" agent="fence_manual"/> </fence_devices> </cluster> My hosts is: 202.114.16.13 localhost.localdomain n1 202.114.16.12 n2 xprincess xprincess@xxxxxxx 2005-05-18 -- Linux-cluster@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/linux-cluster