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Migration with VMotion Fails When Destination Host Cannot Find Swap File

Details

If a virtual machine's configuration file was manually registered using /vmfs/volumes/<friendly name>/... , and if that virtual machine was later migrated using VMotion to a host where the configuration file was specified using /vmfs/volumes/<UUID>/... , the destination host cannot find and open the swap file for the virtual machine and the migration fails. Errors encountered during this failure can include error messages similar to A general System error occured: Multi-answer question encountered while resuming. Unable to proceed. or A general system error occured: Unknown failure migrating from another host.

Solution

This issue is fixed in ESX Server 3.0.2 and higher.
 
To work around this issue in earlier versions, don't register virtual machines using friendly volume labels such as /vmfs/volumes/<friendly name>/..., and instead use only their UUIDs, /vmfs/volumes/<UUID>/.... This issue will not be encountered.
 
For example, to register the virtual machine myvm1 using it's UUID, use the following command:
# vmware-cmd -s register /vmfs/volumes/46878935-4d25dbd5-2bd9-001125a3a121/myvm1/myvm1.vmx

Keywords

esx302;knownissue

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  • KB Article: 1000082
  • Updated: Aug 14, 2009
  • Products:
    VMware ESX
  • Product Versions:
    VMware ESX 3.0.x