XenServer 7.6, which was the final version before the product was rebranded to Citrix Hypervisor
Version 7.6 added experimental support for thin provisioning on shared block storage via the GFS2 (Global File System 2) cluster file system. This allowed enterprise storage administrators to overcommit block storage allocations safely. xenserver 7.6 iso download
: Now fully supported for production, allowing for more efficient use of physical storage by allocating space only as it is written to. SR-IOV Networking XenServer 7
