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Storage migration of a virtual machine with a name beginning with core fails with the error: Relocate virtual machine coreXX Cannot complete the operation because the file or folder coreXX-XXXXX.hlog already exists (2130819)

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Symptoms

  • Cannot move a virtual machine with a name beginning with core using cold migration or with storage vMotion
  • Migrating a virtual machine with a name beginning with core using cold migration or with Storage vMotion fails
  • In the vSphere Web Client, you see an error similar to:

    Relocate virtual machine core01 Cannot complete the operation because the file or folder
    ds:///vmfs/volumes/54ff13d9-e0838862-9367-0050560337e9/core01/core01-247ea2b9.hlog already exists
    Checking destination files for conflicts Administrator vCenter_Server_name

Cause

When a datastore migration task is started, a host log (.hlog ) file based on a hash of the virtual machine name is created on the destination datastore. This file is used to track the migration progress. This issue occurs because the ESXi host management agent hostd incorrectly classifies the migration progress file named corexx xx.hlog as a core file. After migration the file type of the .hlog file is marked as a core file and the file remains on the datastore. This causes any further storage migration of this virtual machine to fail as the .hlog file cannot be created, as it already exists.

Resolution

This issue is resolved in VMware ESXi 6.0 Update 1b, available at VMware Downloads.

If you do not want to upgrade, you can work around this issue by cloning the affected virtual machine and changing the name, so that the name does not begin with the word core

See Also

Update History

01/07/2016 - Added the details of the ESXi 6.0 U1b release, which resolves this issue.

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