What functionality is provided by the Unity UFS64 Enterprise File System architecture?

What is the minimum requirement for a server to boot from a Dell EMC Unity XT storage system via iSCSI?

Which Unity mode(s) supports the 17 Gb/s SAS I/O modulo?

Which component is required for compression to work?

A storage administrator is required to test a new version of an application loaded on a secondary host. The administrator must use existing data contained on a LUN provisioned from a Dell EMC Unity to a primary host.
Which solution will meet the requirement and provide space efficiency?