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A new paper describes the DRS enhancements in vSphere 6.7, which include new initial placement, host maintenance mode enhancements, DRS support for non-volatile memory (NVM), and enhanced resource pool reservations:
- DRS in vSphere 6.7 can now take advantage of the much faster placement and more accurate recommendations for all DRS configurations. vSphere 6.5 did not include support for some configurations like VMs that had fault tolerance (FT) enabled, among others.
- Starting with vSphere 6.7, DRS uses the new initial placement algorithm to come up with the recommended list of hosts to be placed in maintenance mode. Further, when evacuating the hosts, DRS uses the new initial placement algorithm to find new destination hosts for outgoing VMs.
- DRS in vSphere 6.7 can handle VMs running on next generation persistent memory devices, also known as Non-Volatile Memory (NVM) devices.
- There is a new two-pass algorithm that allocates a resource pool’s resource reservation
to its children (also known as divvying).
For more information about all of these updates, see DRS Enhancements in vSphere 6.7.
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