To enable VMware VAAI on your NFS datastores, you need to install Synology NFS VAAI Plug-in on each ESXi host.
NFS VAAI Plug-in can be installed directly on an ESXi server from the command line, or through the VMware Update Manager (VUM).
System Requirements:4 Synology NAS running DSM 5.1 or later https://lnkd.in/bA4KABw
I downloaded the esxi vib and now my NAS has VAAI support and hardware acceleration
Download Synology NFS Plug-in for VMware VAAI Online Bundle: https://global.download.synology.com/download/Tools/NFSVAAIPlugin/1.1-1004/VMware_ESXi/synonfs-vaai-plugin-1.1-1004.vib Offline Bundle: https://global.download.synology.com/download/Tools/NFSVAAIPlugin/1.1-1004/VMware_ESXi/synonfs-vaai-plugin-1.1-1004.zip VMware ESXi 5.5, 6.0, 6.5, 6.7 VIB Installation Instructions VMware uses a file package called a VIB (VMware Installation Bundle) as the mechanism for installing or upgrading software packages on an ESXi server. The file may be installed directly on an ESXi server from the command line, or through the VMware Update Manager (VUM).
End of David Papkin post on VMware esxi VAAI support for Synology NAS