Archive for April, 2014

PowerCLI script to migrate clusters to new vCenter

Written April 30th, 2014 by
Categories: Scripts, Virtualization
4 comments

Hey scripters! I recently had a task of migrating an entire virtual datacenter from one vCenter to another. It sounds like a pretty simple task, but manually recreating the cluster(s) could cause some human errors. I decided to write a script that would look at a specific vDatacenter and get all it’s clusters, then recreate that tree in the new vCenter. It’s pretty simple, really, it pulls all the clusters, then creates new clusters with the same attributes. When moving over the hosts, it first disconnects them from the original vCenter, then removes them from inventory.

I thought about disabling HA & DRS on the source vCenter cluster right before hand, but manually disconnecting & removing shouldn’t be an issue. If you add the host to the new vCenter without first removing from the old vCenter, that’s when you’ll get some HA weirdness because the old vCenter doesn’t know what just happened.

What does it do?

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