When I use a quorum disk in 4u5 it does not prevent fencing after missing too many heartbeats.
http://sources.redhat.com/cluster/faq.html#quorum
I set up the heuristic program (ping) in such a way that both still report themselves "fit for duty" even with the disconnected cluster communication link.
I have set deadnode_timer to a value more than twice the time needed voor quorum daemon to time
Any pointers on what I am missing would be much appreciated ....
Kind Regards,
Ferry Harmusial
[root@vm2 ~]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
172.16.77.22 vm2.localdomain vm2
172.16.77.21 vm1.localdomain vm1
[root@vm2 ~]# ip addr
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:0c:29:21:9a:75 brd ff:ff:ff:ff:ff:ff
inet 172.16.169.128/24 brd 172.16.169.255 scope global eth0
inet6 fe80::20c:29ff:fe21:9a75/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:0c:29:21:9a:7f brd ff:ff:ff:ff:ff:ff
inet 172.16.77.22/24 brd 172.16.77.255 scope global eth1
inet6 fe80::20c:29ff:fe21:9a7f/64 scope link
valid_lft forever preferred_lft forever
4: sit0: <NOARP> mtu 1480 qdisc noop
link/sit 0.0.0.0 brd 0.0.0.0
<?xml version="1.0"?>
<cluster alias="cluster1" config_version="63" name="cluster1">
<quorumd interval="1" label="cluster1_qd" min_score="1" tko="10" votes="3">
<heuristic interval="2" program="ping 172.16.169.1 -c1 -t1" score="1"/>
</quorumd>
<fence_daemon post_fail_delay="0" post_join_delay="20"/>
<clusternodes>
<clusternode name=" vm1.localdomain" nodeid="1" votes="1">
<fence>
<method name="1">
<device name="vmware" port="/var/lib/vmware/Virtual Machines/Red Hat Linux/Red Hat Linux.vmx"/>
</method>
</fence>
</clusternode>
<clusternode name="vm2.localdomain" nodeid="2" votes="1">
<fence>
<method name="1">
<device name="vmware" port="/var/lib/vmware/Virtual Machines/RHEL4u5-1/Red Hat Linux.vmx"/>
</method>
</fence>
</clusternode>
</clusternodes>
<cman expected_votes="3" two_node="0" deadnode_timer="61"/>
<fencedevices>
<fencedevice agent="fence_vmware" ipaddr="172.16.77.1" login="root" name="vmware" passwd="xxxxxxx"/>
</fencedevices>
<rm>
<failoverdomains>
<failoverdomain name="FO_apache" ordered="1" restricted="0">
<failoverdomainnode name="vm1.localdomain" priority="2"/>
<failoverdomainnode name="vm2.localdomain" priority="1"/>
</failoverdomain>
</failoverdomains>
<resources/>
<service autostart="1" name="SVC_apache">
<fs device="/dev/sdb" force_fsck="1" force_unmount="1" fsid="44559" fstype="ext2" mountpoint="/var/www/html" name="FS_apache" options="" self_fence="0"/>
<ip address="172.16.169.140" monitor_link="1"/>
<script file="/etc/init.d/httpd" name="SCRIPT_apache"/>
</service>
</rm>
</cluster>
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