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on August 24 2009, 8:52 PM
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Hans Vredevoort describes his experience building a Hyper-V R2 cluster.
.... I studied all possible scenarios. A rolling upgrade of the cluster seemed an attractive method, knowing that in-place had failed with the previous attempt. I joined the MVP cluster team meeting and we discussed the migration scenario’s in detail. It became clear that an in-place upgrade of Hyper-V R1 to R2 will only be supported on a non-clustered Hyper-V server, after taking every possible precautions such as deleting snapshots, stopping all VM’s, taking backups of the VHD’s and updating Hyper-V integrations after migration. The verdict was no in-place or rolling upgrades of Windows clusters to Windows Server 2008 R2 clusters, period. So what is the preferred method for upgrading to Hyper-V R2. Because our research cluster already was an Hyper-V R2 release candidate, I could not verify if migrating from Windows Server 2008 would be any different. Except for CSV, I suspect all steps will be identical.
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