If you are talking about the question on the physical drives for IsilonSD Edge that was posted on 17th Nov. then the answer is –
Yes, you will need 6 physical drives internal to each ESX host that will act as data disks. Additionally you will need a Journal and boot drives as well per ESX host. You can use the same disk for both Journal and Boot. It is recommended to use SSD for Journal.
This product is currently not generally available. The layout, design and features may be revised or removed prior to becoming generally available