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NetVault Plug-in for Hyper-V 10.5 - User Guide

Restoring data

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Restoring image-level backups
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Performing file-level recovery
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Using other restore procedures

Restoring image-level backups

When performing image-level restores, you can restore the entire VM hierarchy to the Working Directory on the Hyper‑V® Server. You can also perform an image-level recovery, which restores the entire VM and establishes a new version of that VM in Hyper‑V Manager.
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Restore Image-Level Backups: Image-level restores restore the entire VM hierarchy, including:
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Virtual Disks
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Configuration File
These files are restored into the Working Directory associated with the selected VM as designated during configuration, described in Configuring settings for a standalone or clustered deployment.
You can use the restored files and directory hierarchy to recover to a Hyper‑V Server.
 
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IMPORTANT: All the files for the specified VM are restored to a Restores directory under the configured Working Directory. The hierarchy for the VM is restored, starting with the drive letter that originally hosted the backed-up VM. This approach is intended so that a manual recovery operation could be performed by using a copy utility, starting at the drive-letter-based root directory.
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Recover Image-Level Backups: Image-level recovery restores the entire VM and registers it with the Hyper‑V Manager. An image-level recovery is similar to an image-level restore, but with the addition of automatically taking the restored image and putting it back in service.
 
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IMPORTANT: The plug-in flattens Hyper-V checkpoints when a backup is taken and later retrieved using an image-level restore and recovery process. For example, if you back up a base disk that has two checkpoint files that the VM is running, the VM is restored with only one base disk; however, all content from the checkpoint files is included.
This process includes the steps outlined in the following sections:
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Prerequisites for image-level restore
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Selecting data for an image-level restore
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Setting image-level restore options
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Finalizing and submitting an image-level restore job
 
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IMPORTANT: If you are restoring a backup created using version 10.0.1, see the Dell NetVault Backup Plug‑in for Hyper‑V 10.0.1 User’s Guide for instructions.

If you intend to use the Rename feature, see Renaming and relocating a VM during image-level restore.

Prerequisites for image-level restore

Make sure that the following prerequisites are met:
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If you do not intend to use the Rename feature, Dell recommends that you delete the original VM before you perform recovery.
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If you do not intend to use the Rename feature and you do not intend to delete the original VM, ensure that the VM is powered down and that none of its files are open before you perform recovery. The plug-in’s recovery process overwrites the existing VM, and write-access is required.
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Before recovering a VM to different host, make sure that the VM resources in the Configuration File match the resources available on the host. In particular, make sure that file locations and network-adapter names match. If they do not match, the VM might not get powered on. If resources are different on the target host, complete the recovery manually.

Selecting data for an image-level restore

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In the Navigation pane, click Create Restore Job.
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On the Create Restore Job — Choose Saveset page, select Plug‑in for Hyper‑V from the Plugin Type list.
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To filter the items displayed in the saveset table further, use the Client, Date, and Job ID lists.
The table displays the saveset name (Job Title and Saveset ID), creation date and time, and size. By default, the list is sorted alphabetically by saveset name.
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In the saveset table, select the applicable item.
When you select a saveset, the following details are displayed in the Saveset Information area: Job ID, Job Title, server name, client name, plug-in name, saveset date and time, retirement setting, Archive or not, and saveset size.
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Click Next.
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On the Create Selection Set page, select the localhost or <clusterName> node to display the VMs, and then select one or more VMs to restore.
 
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NOTE: You cannot select individual files under a VM node. If you enabled indexing during backup and want to restore individual files, use file-level recovery. For more information, see Performing file-level recovery
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