VMware KB: Configuring disks to use VMware Paravirtual SCSI (PVSCSI) adapters

The question of using the PVSCSI adapter in Windows Server templates comes up occasionally. The quoted VMware KB article has the VM and OS compatibility requirements as well as the steps to implement the driver.

For my purposes, I don’t recommend using the PVSCSI adapter for the OS disk. I prefer to maintain the highest level of compatibility with OS versions and possible use cases. For example, MS clustering is not supported.

I have seen improved VM disk performance when the PVSCSI adapter is used with applications that require higher IOPS.

VMware KB: Configuring disks to use VMware Paravirtual SCSI (PVSCSI) adapters.

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