I think having 20 votes per node with cman expecting 1 vote could
completely break quorum calculation (although it would appear to work
just fine until you had a network failure).
On Jan 10, 2007, at 9:13 AM, Fedele Stabile wrote:
I have a new 35-nodes cluster with a SAN for data storage, my SAN
is connected via SCSI with two nodes.
OS is CentOS4 with ClusterSuite
Cluster purpose is numer-crinching:
SAN disks are GFS and exported via gnbd to the other 33 nodes in
the cluster.
Configuration file cluster.conf is below.
This is my first cluster configured with the ClusterSuite, can
anyone help me to understand if i made any mistake?
Thank you
Fedele STABILE
/etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster config_version="138" name="linuxlab-cl">
<fence_daemon post_fail_delay="0" post_join_delay="20"/>
<clusternodes>
<clusternode name="server1" votes="20">
<fence>
<method name="1">
<device name="ILO_server1"/>
</method>
</fence>
</clusternode>
<clusternode name="server2" votes="20">
<fence>
<method name="1">
<device name="ILO_sevrer2"/>
</method>
</fence>
</clusternode>
<clusternode name="pc0" votes="0">
<fence>
<method name="1">
<device name="GNBD_server1"
nodename="pc0"/>
</method>
</fence>
</clusternode>
.....
.....
</clusternodes>
<cman expected_votes="1"/>
<fencedevices>
<fencedevice agent="fence_ilo" .... />
<fencedevice agent="fence_gnbd" name="GNBD_server1"
servers="server1 server2"/>
<fencedevice agent="fence_ilo" .... />
</fencedevices>
<rm>
.....
.....
</cluster>
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