thx a lot...but...i refereced "man 5 cluster.conf" & "man 5 lock_gulmd" some ago... (i'm using gulm...) when i excuted lock_gulmd, result is... ============================================================================= [root@client1 root]# lock_gulmd I cannot find the name for ip "servers=client1". gf->node_cnt = 0 In src/config_main.c:332 (DEVEL.1093502033) death by: ASSERTION FAILED: gf->node_cnt > 0 && gf->node_cnt < 5 && gf->node_cnt != 2 I cannot find the name for ip "servers=client1". gf->node_cnt = 0 In src/config_main.c:332 (DEVEL.1093502033) death by: ASSERTION FAILED: gf->node_cnt > 0 && gf->node_cnt < 5 && gf->node_cnt != 2 [root@client1 root]# I cannot find the name for ip "servers=client1". gf->node_cnt = 0 In src/config_main.c:332 (DEVEL.1093502033) death by: ASSERTION FAILED: gf->node_cnt > 0 && gf->node_cnt < 5 && gf->node_cnt != 2 ============================================================================= my cluster.conf is ... ============================================================================= [root@client1 root]# cat /etc/cluster/cluster.conf <?xml version="1.0"?> <cluster name="alpha" config_version="1"> <gulm> <servers>client1 client2</servers> </gulm> <node> <node name="client1" votes="1"> <fence> <method name="single"> <device name="human" ipaddr="xxx.xxx.xxx.161"/> </method> </fence> </node> <node name="client2" votes="1"> <fence> <method name="single"> <device name="human" ipaddr="xxx.xxx.xxx.162"/> </method> </fence> </node> </node> <fence_devices> <device name="human" agent="fence_manual"/> </fence_devices> </cluster> ============================================================================ i registerd ip of client1 & client2 in /etc/hosts instead of DNS (and testing with only two nodes..) plz give me a advice... thx... -------------------------------------------- man 5 cluster.conf if using dlm, also man 5 cman if using gulm in place of dlm, read man 5 lock_gulmd brassow On Aug 26, 2004, at 5:32 AM, Cho Yool Je wrote: hi..everybody.. i have three machines.... i will use one server & two client2 with firewire for GFS but...i can't creat a cluster.conf.. plz show me related cluster.conf... thx... -- Linux-cluster redhat com http://www.redhat.com/mailman/listinfo/linux-cluster