While installing Windows 2019 on a new VM on an AHV cluster, an administrator notices there aren't any drives listed for the install. What might the problem be?

Question

Options

• AVirtIO drivers have not yet been installed and the disks are IDE disks.
• BVirtIO drivers have not yet been installed and the disks are SCSI disks.
• CVirtIO drivers must be installed on AHV for installations of Windows.
• DVirtIO drivers aren't supported on this version of Windows 2019.

• A
  3% (1)
• B
  88% (29)
• C
  6% (2)
• D
  3% (1)

Explanation

In Nutanix AHV, virtual disks are presented to VMs using the VirtIO-SCSI controller by default. Windows does not include native VirtIO-SCSI drivers in its installation media, so during a fresh Windows Server 2019 installation, the OS installer cannot detect any disks - resulting in an empty drive list. The fix is to load the VirtIO SCSI driver (from the Nutanix VirtIO ISO) during the Windows setup using the 'Load Driver' option. Option A is incorrect because IDE disks ARE natively recognized by Windows without additional drivers; the issue is specifically with SCSI disks using the VirtIO bus. Option C is too vague. Option D is false - VirtIO is fully supported on Windows Server 2019.

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