UNIX CLUSTER IP address

Hello,
1-In unix environment, I have A True64 UNIX  HA cluster. Is it possible to change the virtual and physical IP addresses of the cluster. For example if the cluster has a mail server running and we want to change the IP address of the mail server. Is it doable or Not?

2- Same question applies for SuSE linux HA cluster.

Thanks
hamed78Asked:
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gheistCommented:
1. Yes
2. Yes

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hamed78Author Commented:
Ok thanks gheist,
One more note it is difficult to do it or it can be done according to a cetain steps, if you can give an brief idea. I will appreciate it.
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NopiusCommented:
I suppose next step is a reading docs and finding resource group configuration or something like this ;)
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hamed78Author Commented:
I know this and I am already doing this, thank for the advise.
Regards
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