An Agent for VMWare Infrastructure (AVVI) backup Job completes with the error "Failed to mount one or more virtual disk images" when the virtual servers are migrated from Physical machines with utility partition or the virtual disk contain multiple partitions.

Article:TECH66000

Created: 2010-02-08

Updated: 2010-02-08

Article URL http://www.symantec.com/docs/TECH66000

Article Type
Technical Solution

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Problem

An Agent for VMWare Infrastructure (AVVI) backup Job completes with the error "Failed to mount one or more virtual disk images" when the virtual servers are migrated from Physical machines with utility partition or the virtual disk contain multiple partitions.

Error

Failed to mount one or more virtual disk images:

From remote agent debug: VDiskMounter::MountAllDisks: no drive letter or volume GUID found

Solution

An AVVI Backup Job may complete with an exception "Failed to mount one or more virtual disk images" when either of the following conditions are true:

1. When the virtual machines (VM's) are migrated from Physical machines with utility partition.

2. The VMDK files for the virtual machines have multiple partitions created on it.

3. The disk signature of the volumes is different than expected.

Note: All guest machines that receive this error will not be able to perform GRT restore. VMWare restores and VMWare redirection restore are not effected by this issue.

Resolution:

The above mentioned issue is now fixed by way of a hotfix. Please refer the Related Documents Section for more information about the hotfix.

Supplemental Materials

Source	ETrack
Value	1476636
Description	AVVI Backup Job completes with the error "Failed to mount one or more virtual disk images" When VM serves are made from Physical machines with utility partition.