[Linux-HA] Additional Nodes configuration

Michael Schwartzkopff misch at multinet.de
Fri Oct 5 13:36:23 MDT 2007


I think about the following problem:

If I design a cluster to work with two nodes I configure these two nodes in 
the ha.cf file. The cluster runs fine. Now I want to add an additional node 
to the cluster. How can I do this with at least downtime as possible?

I thought following methods could be possible:

1) Configure "autojoin" from the beginning.

2) Is it possible to add nodes with cib_admin? I don't know...

3) - Configure the new node with three nodes in the ha.cf, start heartbeat 
- stop the second node, configure three nodes in ha.cf  and restart heartbeat, 
- finally do this with the last node

4) Is there any other possibility?

Thanks for any enlightening answers.

Dr. Michael Schwartzkopff
MultiNET Services GmbH
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