Ну вот быстрый гуглеж показывает, что сильно больше клиентов используют vvol.
Это данные только от HP на начало 2017 года
1,887 arrays have the VASA Provider enabled in the array
1,014 arrays reporting VVols data (requires 3.2.2 firmware)
258 arrays with at least one VVol
Compared to 1 year ago 5.6x more arrays are running VVols
Jan 2016 metrics: 2 arrays with 100+ VVols, 3 with 51-100 VVols, 5 with 11-50 VVols and 36 with less than 10 VVols
Jan 2017 metrics: 43 arrays with 100+ VVols, 11 with 51-100 VVols, 51 with 11-50 VVols and 111 with less than 10 VVols
Large number of those VVol deployments have happened in last 3 months
Largest customer has 1,457 VVols and 576 VMs, next 2 largest have 1,191 VVols/344 VMs and 1,453 VVols/304 VMs
#10 largest customer in VVol deployments has 477 VVols and 169 VMs
Average VVol to VM ratio around 4.5, highest customers at around 9 VVols per VM
http://vsphere-land.com/news/vvols-by-the-numbers-an-update-on-vvol-adoption-in-the-real-world.html