Delete status shows as not supported on few or all the LUNs

Products

• VMware vSphere ESXi

Issue/Introduction

• On the array side, the LUNs are reported as thin-provisioned (unmap supported), while on the ESXi host, error: "Delete status unsupported" is reported.
• This issue is observed on some or all of the LUNs originating from the same array.
• Following output is obtained on running the command: esxcli storage core device vaai status get
  • naa.6000144xxxxxxxxxxxxxxxx:

   VAAI Plugin Name:
   ATS Status: supported
   Clone Status: unsupported
   Zero Status: unsupported
   Delete Status: unsupported <-------
   Ex Clone Status: unsupported

Environment

VMware vSphere ESXi

Cause

The block limits VPD page (page code 0xB0) returned by the device doesn't claim to support Unmap. There seems to be some issue with target array itself.

Resolution

If the above symptoms match your issue, please contact Broadcom support.