Agent for VMware Virtual Infrastructure (AVVI) backups fail with "V-79-57344-38260 - Unable to create a snapshot of the virtual machine. The virtual machine may be too busy to quiesce to take the snapshot."

Problem

Backup of Virtual machines configured through both ESX and Vcenter server fails with the error: "V-79-57344-38260 - Unable to create a snapshot of the virtual machine. The virtual machine may be too busy to quiesce to take the snapshot."

Error Message

Error 1: 0xe0009574 - Unable to create a snapshot of the virtual machine. The virtual machine may be too busy to quiesce to take the snapshot

Error 2: V-79-57344-38260 - Unable to create a snapshot of the virtual machine. The virtual machine may be too busy to quiesce to take the snapshot

Cause

  • This issue can occur if the block size of the datastore is not configured correctly

Solution

  • Verify if a snapshot can be taken from the snapshot manager
  • Launch Vshpere - Right click on the vm - Snapshot manager
  • A snapshot operation may fail with the error: "File <unspecified filename> is larger than the maximum size supported by datastore <unspecified datastore>"
  • Same symptom may be noted when trying to remove a snapshot from snapshot manager
  • Follow the article from vmware to configure the block size properly or else contact Vmware support: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1012579

Applies To

Backup exec 2010 R3 SP1

ESX 4.0 & 4.1

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