When you log in to an ESXi host with the VMware Host Client, you can remove individual partitions of a device by using the partition editor

Prerequisites

Verify that the device is not in use by ESXi as boot disk, VMFS datastore, or vSAN.

Procedure

  1. Click Storage in the VMware Host Client and click Devices.
  2. Right-click a device from the list and click Edit partitions.
  3. Select a partition and click Delete partition.
  4. (Optional) Click Reset to restore the original partitions.
  5. Click Save partitions.
  6. Confirm that you want to alter the partition.