CDOT 8.3RC1 VAAI NAS not working as advertised

Anyone facing issues with CDOT 8.3RC1 and VAAI in VMware ESXi environment? I can get VAAI offload to work if the source/destination is the same volume. It will not work if the destination is a different volume on the same controller or any other controller.


Followed all the instructions on:


Not really getting anywhere. Tried vmkfstools which clearly shows the VAAI-NAS plugin is not being used when source/destination volumes are different.

Re: CDOT 8.3RC1 VAAI NAS not working as advertised

Pelse check if this KB article can be of any help..


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