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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

Additional notes

When backing up virtual machines that are protected using VMware vSphere® Fault Tolerance (vSphere FT), note the following:
The vSphere FT group must be managed under a vCenter Server by VMware® ESXi™ hosts that use version 6.0 build number 4192238 or later.
Virtual machine ‘<VM_name>’ with secondary role
in its fault tolerance group will not be backed up.
Creates a non-CBT Full Backup, unless CBT is already enabled for the virtual machine or you have selected the Enable Change Block Tracking for VM check box for the Incremental or Differential Backup.
When you select Differential Backup, the plug-in creates a Full Backup of MyVM2 in Step 4 and Step 5 because these backups are based on the last Full Backup created in Step 2.
Log message: Failed to write index of backup to the database.
Log context: The index for this backup may be retrieved and added to the database by scanning the backup media.

Backup selection tree icons

vCenter Server

Datacenter Server

ESXi Server Cluster

Closed folder

Open folder

ESXi Server

ESXi Server in maintenance mode

Inaccessible ESXi Server

Virtual Appliance (vApp)

Resource pool

Virtual machine (powered on)

Inaccessible virtual machine

Mounted virtual machine

Suspended virtual machine

Powered off virtual machine

Virtual machine (powered on, CBT enabled)

Inaccessible virtual machine (CBT enabled)

Mounted virtual machine (CBT enabled)

Suspended virtual machine (CBT enabled)

Powered off virtual machine (CBT enabled)

Primary virtual machine (powered on) in a Fault Tolerant group

Inaccessible primary virtual machine

Suspended primary virtual machine

Powered off primary virtual machine

Secondary virtual machine in a Fault Tolerant group

Inaccessible secondary virtual machine

Suspended secondary virtual machine

Powered off secondary virtual machine

Restarting a backup job

The Plug‑in for VMware provides the ability to restart a job to back up only those virtual machines that failed previously. To use this method, you must configure the backup option Enable Restartable backups for the job. For more information about this option, see Performing image-level backups. When a restartable backup completes with some failed virtual machines, the plug-in generates a backup index for the completed virtual machines and sets the job status to Job Stopped. You can restart this job from the Job Status page.

NOTE: The Restart method does not work if you select multiple jobs simultaneously.
All restarted instances appear as a single saveset on the Create Restore Job — Choose Saveset page.

Resetting CBT on a virtual machine

During Incremental or Differential backups, if the plug-in is unable to determine the changed disk sectors for a virtual machine, it reports an error — “Failed to determine disk areas to back up” — and backs up the entire disk. When this error occurs, use the following procedure to reset change block tracking for the virtual machine. Before proceeding, delete any existing snapshots of the target virtual machine.

Start the Backup Job Wizard, and click Create New next to the Selections list.
Select the target virtual machine, and in the Actions list, click Reset Change Block Tracking.
Log message: Failed to determine disk areas to back up.
Log context: A specified parameter was not correct. deviceKey.
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