September 14, 2016
Virtualization VMware VVols
These changes have been downplayed by some storage vendors. What tends to get glossed over is the entire, end-to-end VM workflow management advantages that VVOLs provides. As well as its mandatory use of VM-Aware Storage APIs (VASA). This is an intentional change by VMware as they attempt to take more control of and simplify all aspects of VM management.
VVol’s provide an out-of-band control channel that allows offloading the creation and manipulation of VM objects, such as configuration info, virtual disks, snapshots and memory images. This new mechanism gets rid of the need for a VMware file system (VMFS) on an LU provided from a storage system.
Getting rid of VMFS provides a handful of benefits: