how to implement fencing ?

[Mike Kearey]

aix tiger wrote:
> Guys
> 
> I am currently configuring RHEL cluster and as this is my first time
> to configure RHEL cluster so i am facing few problems: I need you
> guys input an help.
> 
> 1. My first question is about fencing, I have configured HP ILO for
> both of the cluster nodes. But while configuraing these fence devices
> for nodes in cluster configuration tool , i am confused. Should i
> place both fence devices(comil01 & comilo2) in same fence level and
> assign this fence level to both cluster nodes.OR i should create two
> fence levels ( each with one fence device ) and then assign these
> levels to each node.
> 
> 2. How i can create a ethernet based heartbeat channel between the
> cluster nodes. I have two nodes comm1 with ip address of 172.16.2.182
> and comm2 with ip address of 172.16.2.183.Should i place a cross
> cable between the other interface available on the nodes and put ip
> like 192.168.10.1 & 192.168.10.2 on them . Then how can tell my
> cluster to use this ethernet link as heartbeat between the nodes?
> 
> Please advice as i am a newbie for this sort of cluster configuration
> on RHEL
> 
> Best Regards
> 
> Polani

1. Each node needs at least one fencing device. And each device needs to
nest in at least one level. So - Each node needs one level and one
fencing device.

2. http://kbase.redhat.com/faq/FAQ_51_7109.shtm


Cheers