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Paravirtual SCSI (PVSCSI) adapters Local Storage VS SAN

J asked
Last Modified: 2017-11-23

According to the document :

PVSCSI adapters are not suitable for DAS environments.
PVSCSI adapters are best for environments, especially SAN environments

If I setup a new server with Local Storage ex : SSD Drive RAID 10 setup and I created a VM with PVSCSI boot disk and data disk.

My questions :
Why it is not suitable for local storage ? I will not see any significant gain of performance ?

Any technical issue we might expect ?

Not suitable means not functional or not supported ?

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