Just a quick correction... On 22/11/13 19:29 +0100, Jan Pokorný wrote: > On 22/11/13 14:24 +0800, Zama Ques wrote: >> I configured fence_ipmilan as fencing device for my cluster . From >> the command line , it works fine but when I try to fence a node from >> luci interface it is failing . >> >> fencing config info from cluster.conf >> >> ==== >> >> <cman expected_votes="1" two_node="1"/> >> <fencedevices> >> <fencedevice agent="fence_ipmilan" power_wait="10" auth="password" ipaddr="192.168.2.181" lanplus="1" login="aman" name="DB1" passwd="xxxx"/> >> <fencedevice agent="fence_ipmilan" power_wait="10" auth="password" ipaddr="192.168.2.183" lanplus="1" login="aman" name="DB2" passwd="xxxx"/> >> </fencedevices> >> ==== >> >>> From system log file (/var/log/messages..) >> >> >> ==== >> Apr 15 23:32:18 db2 fence_node[17909]: agent "fence_ipmilan" reports: Rebooting machine @ IPMI:192.168.2.181...Failed >> Apr 15 23:32:18 db2 fence_node[17909]: Fence of "db1.example.com" was unsuccessful >> ==== >> >> From the command line , it works fine with the parameters provided above >> >> # fence_ipmilan -t 10 -A password -l aman -p xxxx -P -a 192.168.2.183 >> Rebooting machine @ IPMI:192.168.2.183... >> >> >> Version and hardware related info >> >> ==== >> # rpm -q cman >> cman-2.0.115-34.el5 >> >> ~]# cat /etc/redhat-release >> CentOS release 5.5 (Final) >> >> # dmidecode -t system >> >> System Information >> Manufacturer: HP >> Product Name: ProLiant DL580 G7 >> ==== > > > so far, I can see two problematic places: > > 1. "power_wait" parameter for fence_ipmilan seems not be supported yet > in el5.5 based distro; to achieve the same as with "-t 10", please > use "timeout" parameter instead > > - not sure if this will explain what you observe or not > > 2. as of el5.5, conga is still using direct /sbin/fence_node > invocation (direct library call is used since some later version), > so you can mimic (and possibly debug, e.g., with strace) what luci > triggers with "fence this node" by running on the > respective node: actually, run the command on the other node, not only this how luci does it, it also to prevent unexpected "blackout" when expecting the command to return... > /sbin/fence_node -O NODENAME > > where NODENAME is the respective clusternode's "name" parameter in > cluster.conf > > > Hope this helps. -- Jan -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
