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Introduction

When you deploy a virtual machine selecting High IO on the ITS Private Cloud Portal or the option --high-io in the VSS Command Line Interface, the virtual machine will be created with the VMware Paravirtual SCSI Controller, which will provide higher throughput and lower  CPU utilization - according to VMware:

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  1. Power Off the VM.

  2. Create a CD/DVD unit

  3. Mount the VMware Tools installer (windows.iso).

  4. Load the Driver in the Windows installer.

Step-by-step guide

Using https://vss-cli.eis.utoronto.caor a local VSS CLI install

  1. Execute the following command to power off the virtual machine:

    Code Block
    vss-cli compute vm set --wait VM-NAME state -c off
    id                  : 18551
    status              : IN_PROGRESS
    task_id             : 842eddab-5682-40b3-8d34-387838362bae
    message             : Request has been accepted for processing
    ⏳ Waiting for request 18551 to complete...
    🎉 Request 18551 completed successfully:
    warnings            : New state is poweredOff
    errors              :


  2. Create a new CD/DVD unit backed by the VMware Tools ISO image (windows.iso)

    Code Block
    vss-cli compute vm set --wait VM-NAME cd mk --backing windows.iso
    id                  : 18552
    status              : IN_PROGRESS
    task_id             : 2eabee34-54b7-4738-987e-089362e03414
    message             : Request has been accepted for processing
    ⏳ Waiting for request 18552 to complete...
    🎉 Request 18552 completed successfully:
    warnings            : CD/DVD drive 2 ([] /vmimages/tools-isoimages/windows.iso) -> IDE 0:1 created
    errors              :


  3. Execute the following command to power ON the virtual machine:

    Code Block
    vss-cli compute vm set --wait VM-NAME state -c on
    id                  : 18553
    status              : IN_PROGRESS
    task_id             : 842eddab-5682-40b3-8d34-387838362bae
    message             : Request has been accepted for processing
    ⏳ Waiting for request 18551 to complete...
    🎉 Request 18553 completed successfully:
    warnings            : New state is poweredOn
    errors              :


  4. Launch the Console, proceed with the Windows install and load the drivers as follows:

  5. Once the driver loads properly, you can proceed with the install.

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