josh> I have mine on EMC. Does just fine.
ditto (iSCSI). VAAI ESXi 55u2 vm's too; noop kernel elevator and etc other tweaks for the guests.
one on a Nimble (cached with violin), and another on a QNAP (cached with slc ssd).
bonded dual 10gigE +8k jumbo though. probably makes a big difference vs. 2 or 4G FC back-ended with creaky legacy FCAL spinners.
ymmv.
depends *highly* upon how well the environment is built for i/o ... which is likely why Adam has the wisdom to be wary & prefers DAS on a physical host.
Typogaphical errors courtesy of iPhone
I have mine on an EMC. Does just fine.