---
features:
  - |
    Dell EMC PowerStore driver: Report trimming/discard support to Nova and
    Cinder.
  - |
    Dell EMC PowerMax driver: Report trimming/discard support to Nova and
    Cinder.
  - |
    Dell EMC PowerFlex driver: Report trimming/discard support to Nova and
    Cinder on thin volumes that don't have snapshots.  Not doing trim on
    volumes with snapshots is the vendor's recommendation, but can be overriden
    with the ``report_discard_supported`` configuration option.