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NetVault Plug-in for VMware 11.2 - User Guide

Introduction Installing the plug-in Configuring the plug-in Defining a backup strategy Using the image-level backup method Using the file-level backup method Restoring image-level backups Restoring file-level backups Troubleshooting

Restore job fails when using SAN transport

Restore job fails.

A restore job fails with the following error:

Log Message:

Failed to restore VM disk data.

Log Context:

Failed to open vmdk VDDK error encountered: code 13

Retrieving error message text VDDK error message is ‘You do not have access rights to this file’

Disk data restore failed for ‘[datastore]VirtualMachineName/ VitrualDiskName.vmdk’

The NetVault Backup Client running the Plug‑in for VMware may not have access to the SAN. To verify, try using the NBD transport mode. If restore completes successfully with this mode, it indicates SAN connectivity issues.

To use the SAN transport mode, the NetVault Backup Client must have SAN connectivity to the VMFS LUN. Ensure that the LUN is accessible and the SAN is configured correctly.

Restore job fails to add a virtual machine to the server inventory

Restore job fails.

A restore job fails with the following error:

Log message:

Failed to add VM to target server's inventory.

Log context:

Fault string is 'Invalid configuration for device '3'.

When this error occurs, enable trace and run the restore job again. When the job completes, open the file named vmw<nnn>_soaprecv.log, and check if it contains an XML message <WaitForUpdatesExResponse> with contents similar to the following:

If so, it indicates that the backup contains an invalid configuration for a CD or DVD drive.

To correct this problem:

Open the file vmware.cfg in a text editor.
You can find this file in <NetVault Backup home>\config on Windows® and <NetVault Backup home>/config on Linux®.
After restoring the virtual machine, reset [Custom:ReconfigureVirtual CdromDevices] to False.

Backup jobs of virtual machines protected by vSphere FT fail intermittently

When backing up virtual machines that are protected using VMware vSphere® Fault Tolerance (vSphere FT), the backup job fails.

The job fails and reports the following: Cannot backup virtual machine while legacy fault tolerance is enabled.

Your virtual machine is protected by an earlier version of fault tolerance that does not support backup snapshots.

To back up and restore virtual machines that are using legacy fault tolerance, reconfigure the virtual machines to use a newer version of vSphere FT. Using the vSphere Web Client, turn off fault tolerance for the virtual machine, and then turn it on again. During the reconfiguration process, FT protection is not available for the virtual machine that you are reconfiguring.

Diagnosing virtual machine issues

The Diagnose Virtual Machine method includes some predefined tests, which are used to identify issues in virtual machine setup that can cause failures when the plug-in performs the following activities:

The plug-in reports the problems detected during these tests, and provides suggestions to correct the problems. You can run these tests at any time.

Start the Backup Job Wizard, and click Create New next to the Selections list.
Open the VMware® ESXi™ or VMware® vCenter™ Server and the other applicable container nodes — for example, Datacenter, Cluster, Resource Pool, and other nodes — to display the target virtual machine.
Select the virtual machine, and in the Actions list, click Diagnose Virtual Machine.
View the results in the Diagnostic Results dialog box:
Results: This tab shows the results of the diagnostic tests (passed or failed).
Recommendations: This tab includes suggestions to correct the problems detected during the tests.
Virtual Machine: This tab shows general information about the virtual machine.
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