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January 8, 2011

Migrating Buslogic to LSI Logic SCSI controller in a Virtual Machine

When you use convertor to migrate a physical machine to a virtual machine you get a BusLogic Controller as SCSI controller. Following is tested on vSphere 4.1 with a Virtual Machine hardware version 7

In the Virtual Machine Settings you see this.

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In your device manager it is present as a VMware SCSI controller

If you want to change this to a LSI Logic SCSI controller because some application may need it like Trend Micro Deep Security – vShield, you have to follow steps below to get it working

Steps to convert

  • Install the latest VMware Tools.
  • Power down the Virtual Machine (try to use the shutdown so your OS is closed correctly.)
  • Edit Settings of the Virtual Machine and add a new disk (can be small because this will be removed afterwards). We cannot add a new SCSI controller without adding a disk.
  • When you add a new disk select a different SCSI-id then the existing SCSI Controller. First number in the ID is the number of the SCSI controller.

     

  • When the disk is updated, the type of the SCSI controller must be changed.

     

  • When the configuration is updated, you can restart the VM
  • In your device manager you now see 2 types of SCSI controllers

     

  • When you see the LSI logic SCSI controller you can shut down the VM again. Then will remove the just added disk and change the type of SCSI Controller 0

     

  • When this is finished you can restart the Virtual Machine
  • After starting the Virtual Machine you see that new hardware is found, now you need to reboot once more. (Last time to reboot).
  • Now for best practices you need to remove all unused devices in you device manager. Therefor you need to start device manager using a special set parameter.
    • set devmgr_show_nonpresent_devices=1
    • devmgmt.msc

If you now select the SCSI and RAID Controllers, you will see some grayed-out devices. These devices should be uninstalled

  • Now you are done.
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