Hey,
As an alternative to S2D, you can use StarWind VSAN to create a 2 node cluster. StarWind can utilize an existing RAID10 to create replicated shared storage pool and share it via iSCSI. The following guide will walk you through the configuration process:
https://www.starwindsoftware.com/resource-library/starwind-virtual-san-for-hyper-v-2-node-hyperconverged-scenario-with-windows-server-2016/
Cheers,
Alex Bykovskyi
StarWind Software
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