Enabling Storage Spaces Direct on existing 2016 Cluster

Hi

We currently have a 2 Node Cluster (Soon to be a 3 Node Cluster) running Server 2016 Standard connected to iSCSI Storage. We have recently been investigating Storage Spaces Direct as an alternative to using the iSCSI SAN.

To be able to minimize downtime, are we able to enable Storage Spaces Direct on the existing cluster to utilize the local storage as additional cluster storage, and migrate the VM's from the iSCSI SAN in parallel, or do I have to empty the cluster before enabling Storage Spaces Direct?

Thanks
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Richard FletcherSenior Wintel AnalystAsked:
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Adam BehrendtSenior System EngineerCommented:
Technically you can do it now, but it is advisable to not do so.

If the environment is clean  and passes the hardware and configuration prerequisite checks then you can proceed with the current cluster.

https://docs.microsoft.com/en-us/windows-hardware/test/hlk/testref/run-cluster-tests-for-storage-spaces-direct-in-the-windows-hlk

If you need further assistance and or suggestions please let me know.  Have set up numerous S2D environments.
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Richard FletcherSenior Wintel AnalystAuthor Commented:
Clear answer received.
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