UNMAP Capability Feature Behavior

LSA behavior for MegaRAID 7.8 designs and later include the following behaviors.

  • Display the PD Property, whether the PD (physical drive) is UNMAP capable or not.
  • Display the PD Capability, whether the PDs can be used for logical drives (LDs) for the UNMAP feature.
  • Lets users modify the UNMAP capability of the volume using the VD Modify (Enable/Disable) Properties option.
  • Lets users create an UNMAP supported volume.

LSA behavior for MegaRAID 7.8 designs include the following limitations.

  • The UNMAP feature is not supported for EPD/JBOD designs.
  • Host software applications cannot support firmware in designs earlier than MegaRAID 7.8 because of the change in the MegaRAID firmware API.