Of course you can disagree. I don't like the administrative overhead InGuest iSCSI initiators give and the overhead on CPU for a guest. I wouldn't want to keep track of InGuest initiators for large environments and even for SMB it is something that gets easily overlooked.
Besides that my experience so far with vSphere and the vSphere multipathing is actually pretty good. It's a huge step forward compared to VI3.
Duncan
VMware Communities User Moderator | VCP | VCDX
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