[Linux-cluster] heartbeat

[Fagnon Raymond]

Here are the packages that are installed that I can find. I inherited this system so I am not sure if everything is installed. 
rgmanager-2.0.46-1.el5
cman-2.0.98-1.el5_3.7
Cluster_Administration-en-US-5.2-1
modcluster-0.12.1-2.el5
system-config-cluster-1.0.55-1.0

This cluster I believe was designed to be a failover. 
Here is what clustat tells me
[root at a0040slinuxgfs1 ~]# clustat
Cluster Status for LinuxCluster @ Fri Jan 29 12:12:02 2010
Member Status: Quorate

 Member Name                                                     ID   Status
 ------ ----                                                     ---- ------
 a0040slinuxgfs1                                                     1 Online, Local, rgmanager
 a0040slinuxgfs2                                                     2 Online, rgmanager

 Service Name                                             Owner (Last)                                             State
 ------- ----                                             ----- ------                                             -----
 service:Virtual Server                                   a0040slinuxgfs1                                          started

This is a gig network so bandwidth should not be an issue I believe. Please inform me on the heartbeat since I very new at this.

Raymond

-----Original Message-----
From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Dirk H. Schulz
Sent: Friday, January 29, 2010 11:18 AM
To: linux clustering
Subject: Re: [Linux-cluster] heartbeat

Fagnon Raymond schrieb:
>
> I have a two node cluster and I want to setup the heartbeat monitor 
> over the network. Does anyone have an example of what I need to add to 
> the cluster.conf file to make this happen?
>
> I don't have any nics that I can dedicate for a cross over cable for 
> heartbeat so I was thinking I could use the serial or the network 
> itself. Is it possible to just use the primary interface for heartbeat 
> since it is my understanding it is nothing more than a ping.
>
Excuse me, are you talking of the old Linux-HA which is often referenced 
as "Heartbeat"?

And what kind of two node cluster do you have? What software packages 
have you set up already?

This is RedHat cluster suite, and it uses a fairly complex cluster 
communication. If your cluster communication and all other communication 
use the same network/nics, you might run into trouble if "other 
communication" uses up your network bandwidth.

Dirk

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