xml.devel at gmail.com
Mon Feb 1 17:52:43 UTC 2010
> 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.
You don't need to dedicate a NIC for heartbeat with Red Hat Cluster. Unlike
Linux-HA, RHCS makes use of multicast to communicate with other nodes. The
multicast IP address is assigned by RHCS automatically, so you don't need to
do any special configuration.
Please have a look at this:
For setup instructions, check this:
Section 3 deals with Multicast address settings
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