Hello Miguel Talking about the problem when both nodes gets poweroff, this is called fencing-race, Redhat has this problem from so much time and the only fix was made it
fence delay delay="30" man fence_ipmilan And I thinks you can look for a quorum qdisk 2012/1/24 Miguel Angel Guerrero <kor...@gmail.com> > Hi i'm trying to setup a centos cluster with two nodes with cman, drbd, > gfs2 and i'm using ipmi for fencing. DRBD is set up between the nodes using > a dedicated interface. So, when I unplug the drbd network cable, both nodes > power off immediatly (i tried using crossover cable and both nodes > connected to a switch, but both scenarios fail), and the logs doesn't seem > to show something useful. In a previous thread on this list, it is > recommended to deactivate ACPID daemon, even at BIOS level, but I'm still > having troubles. > > If I simulate a physical disconnection with ifdown command in some node, > this node reboots with no hassle, but unpluging the cable kills both nodes. > I think the first scenario is correct, but the second one is not what I > expect. > > Thanks for your help the next are my cluster.conf > > <?xml version="1.0"?> > <cluster config_version="2" name="WSGClust"> > <cman expected_votes="1" two_node="1"/> > <clusternodes> > <clusternode name="wsguardian1" nodeid="1"> > <fence> > <method name="wsguardian1_ipmi"> > <device name="ipmi1" > action="reboot"/> > </method> > </fence> > </clusternode> > <clusternode name="wsguardian2" nodeid="2"> > <fence> > <method name="wsguardian2_ipmi"> > <device name="ipmi2" > action="reboot"/> > </method> > </fence> > </clusternode> > </clusternodes> > <fencedevices> > <fencedevice agent="fence_ipmilan" > ipaddr="192.168.201.220" lanplus="1" login="ADMIN" name="ipmi1" > passwd="itac321"/> > <fencedevice agent="fence_ipmilan" > ipaddr="192.168.201.186" lanplus="1" login="ADMIN" name="ipmi2" > passwd="itac321"/> > </fencedevices> > </cluster> > > > -- > Att: > ------------------------------------ > Miguel Angel Guerrero > Usuario GNU/Linux Registrado #353531 > ------------------------------------ > > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster > -- esta es mi vida e me la vivo hasta que dios quiera
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