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Server 2012 – “The storage pool does not contain enough physical disks”

We had a need for an inexpensive NAS option at our office.  Thankfully we had a new HP Microserver in stock that wasn’t spoken for so I decided to set it up as a NAS using Server 2012 R2 using a couple of 4TB SATA disks and Storage Pools.  For some reason, in spite of having all the latest patches, firmware & drivers, etc. Windows File and Storage Services would only see one drive in the console.  Device Manager, disk management, etc. showed two attached disks but the Physical Disk list only showed one.
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When I attempted to create a New Virtual Disk Mirror using the Wizard, I received the following error. “The storage pool does not contain enough physical disks to support the selected storage layout.  Select a different layout.”
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Thankfully, using Powershell I was able to create it very easily
New-VirtualDisk -StoragePoolFriendlyName StoragePool_01 -FriendlyName Data –ResiliencySettingName Mirror -Size 2TB -ProvisioningType Fixed
(Substitute with “thin” if required)
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We now see the “Data” virtual mirror disk listed in File and Storage Services, ironically even though the physical drive window to the right still only shows one physical disk.
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