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Virtual Machines' Raw Disks cannot be Upgraded to RDMs by the Upgrade Script

Details

When I upgraded to ESX Server 3.0, virtual machines configured with the raw disk access were not converted to virtual machines configured with the raw device mapping (RDM) access. How do I convert these virtual machines to use RDM access?

Solution

If you are using raw disks, you must convert them to RDMs in ESX Server 2.5 before upgrading virtual machines to ESX Server 3.0. However, if you have already upgraded your virtual machines to ESX Server 3.0, do the following:

  1. Migrate the virtual machine that uses the raw disk back to ESX Server 2.5.
  2. Convert the virtual machine so it can use the RDM.
  3. Migrate the virtual machine to ESX Server 3.0.

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  • KB Article: 2168
  • Updated: Aug 14, 2009
  • Products:
    VMware ESX