unclear about storage spaces direct nodes

Rik Van Lier
Rik Van Lier used Ask the Experts™
Hi, i need to setup a 4 node cluster for a customer.

our customer wants to use hyper-v and Storage Spaces Direct.

i understand that the 4 nodes are bundeled and that storage spaces direct use all the harddrives in the nodes to combine them and make things redundant for the virtual machines.

but what about the install of the nodes itself? i understand that we do not use a hardware raid card on the nodes but just as a JBOD and let the cluster/storage spaces direct handle it all.

but the windows installation on the node itself is then unprotected? or am i missing something?
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Distinguished Expert 2018
Buy, don't build, an S2D setup for production. Microsoft also says as much in the first paragraph.


If you are finding that building is significantly cheaper than buying then your system is under-soecced for S2D and won't work or won't perform as needed.

Once you commit to buying, that pretty much addresses your other concerns. All of the certified S2D systems have separate layers of protection for the OS apart from the S2D storage stack.
Philip ElderTechnical Architect - HA/Compute/Storage

There's a lot to building out a Storage Spaces Direct (S2D) setup.

Since we've been building custom S2D solutions since the product came about, I have quite a few blog posts about it.

That being said, be wary of Tier 1 S2D "certified" products. Make sure when talking with the sales folks they understand and repeat back that the solution is to be S2D "certified" and make sure that is what is built.

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