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тАО04-03-2012 03:39 PM
тАО04-03-2012 03:39 PM
Changing cluster VIPs
I'm doing a makeover of our iscsi network layout and it is going to involve the changing IPs of both nodes and VIPs. Has anyone ever done this?
I assume I can just add an additional VIP to each cluster and simply retarget my initiators accordingly? If so, can I do a swing migration where I have both VIPs active for a period?
As for changing the IPs of each node... is there a good way? Can I simply change them at the console and have the cluster figure out the change or do I have to remove the node from the cluster/mgt group frist? I would like to avocie having to do a bunch of re-stripes if possible but if its the only way its the only way.
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тАО04-03-2012 11:34 PM
тАО04-03-2012 11:34 PM
Re: Changing cluster VIPs
Rgds,
Dave
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тАО04-09-2012 09:43 AM
тАО04-09-2012 09:43 AM
Re: Changing cluster VIPs
Dave,
I wasn't too worried about access from the CMC if I change the IP (say from 10.0.0.1 to 10.0.2.1).
What I'm more concerned about is if I can go from 10.0.0.1 to having that AND 10.0.2.1 at the same time.
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тАО04-16-2012 08:07 AM
тАО04-16-2012 08:07 AM
Re: Changing cluster VIPs
Did this back in 8.1 and I didn't run into issues. I was staging the IP's before we did a site move and IP redesign.
When you add the VIP to the cluster, ping it and ensure you get a response. Add a new test volume on a test machine and point it to only the new VIP. You should be able to access it just fine.
The big thing will be repointing all of your initiators/discovery portals.