4.2 Adding RDM disk Across ESXi Guest Machines

  1. Launch the vSphere Web Client.

  2. Right click the virtual machine (Node 1), and select Edit Settings.

  3. Click Add other device > SCSI controller.

    • New SCSI Controller: Select VMware Paravirtual.

    • SCSI Bus Sharing: Select Physical.

  4. Click Add hard disk > Add new RDM disk and select a storage disk.

    • Virtual Device Node: Select existing SCSI controller that you created in Step 3(or the default node value offered as appropriate if you have added multiple disks.)

    • Disk mode: Select Independent - persistent. In this mode, snapshots cannot be created for a virtual drive.

    • Disk compatibility: Select Physical.

  5. Perform the following on all the nodes.

    1. Perform Step 2 and Step 3 on all the nodes.

    2. Click Add hard disk > Existing hard disk and browse and select the shared disk (VMDK disk file) that you have created in Step 4.

      On completing the above steps, the shared disk is available on all the nodes.