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NetVault 12.1 - Administration Guide

Introduction Getting started Configuring clients Managing catalog search Configuring storage devices Backing up data Managing policies Restoring data Managing NetVault Backup dashboard Managing jobs Monitoring logs Managing storage devices
Monitoring device activity Managing disk-based storage devices in list view Managing disk-based storage devices in tree view Managing the Snapshot Array Manager Managing tape libraries in list view Managing tape libraries in tree view Managing tape drives in list view Managing tape drives in tree view Adding shared devices
Managing storage media Managing user and group accounts Monitoring events and configuring notifications Reporting in NetVault Backup Working with client clusters Configuring default settings for NetVault Backup
About configuring default settings Configuring encryption settings Configuring plug-in options Configuring default settings for post-scripts Configuring default settings for Verify Plug-in Configuring Deployment Manager Settings Configuring Job Manager settings Configuring Logging Daemon settings Configuring Media Manager settings Configuring Network Manager settings Configuring Process Manager settings Configuring RAS device settings Configuring Schedule Manager settings Configuring Web Service settings Configuring Auditor Daemon settings Configuring firewall settings Configuring general settings Configuring security settings Synchronizing NetVault Time Configuring default settings for global notification methods Configuring the reporting utility Configuring NetVault Backup WebUI default settings Configuring NetVault Backup to use a specific VSS provider Configuring default settings using Txtconfig
Diagnostic tracing Managing diagnostic data Using the deviceconfig utility NetVault Backup processes Environment variables Network ports used by NetVault Backup Troubleshooting

Managing Snapshots

Explore snapshots is a feature that allows you to view, change expiry date and time, mount, and unmount the existing snapshots.

Explore snapshot feature is currently supported for Dell Compellent Storage Center arrays. To add Dell Compellent storage arrays refer Managing the Snapshot Array Manager. Currently, NetVault Backup Plug-in for FileSystem supports snapshot-based backups.

You can perform following operations:

•
Restoring snapshots
•
Setting expiry for snapshots
•
Mounting Snapshots
•
Unmounting Snapshots
 
* 
NOTE: If you create snapshots in version 12.0 and upgrade NetVault Backup server to 12.1, the snapshot mount and unmount operation does not support. In this case you need to upgrade NetVault Backup client to 12.1.

Restoring snapshots

Restoring data from a snapshot involves a simple copy operation from the snapshot directory to the target/secondary system. The restore operation overwrites the existing volume configuration. Any changes that are made to the data in the volume after the Snapshot copy is created, are lost.

To restore snapshots refer, Creating restore jobs.

Setting expiry for snapshots

Each snapshot has an expiration date and time, you can preserve a snapshot to prevent it from expiring. Snapshot expires when the backup Saveset expires, even if the snapshot expiry date is greater than Saveset Expiry date. However, if this snapshot is already mounted, the snapshot goes in the pending state if the saveset has expired.

To set an expiry date of snapshot
1
In the navigation pane, click Create Restore Job.
2
On the Create Restore Job — Choose Saveset page, select the SaveSet Name and then click Explore Snapshots.
3
Select the snapshot from the Saveset Name list and click Set Expiry.
4
Select Change Expiry Date, and choose the options to set the expiry date and click Ok.
a
On: Set the date from the calendar and set the time
b
Now: Snapshot expires Immediately.
c
Never: Snapshot never expires.

In the Explore Snapshot page, the Expires column updates the date and time.

Mounting Snapshots

You can mount any available snapshot, to access the data available in the snapshot. Snapshots must be mounted on a MediaAgent with the same operating system as the snapshot volumes. Currently, snapshots are mounted only on Windows machine. You can mount these snapshots on a particular drive or a specified empty folder. Once the snapshot is mounted you can view the details of each snapshot, which helps during the restore operation.

To mount a snapshot
1
In the navigation pane, click Create Restore Job.
2
On the Create Restore Job — Choose Saveset page, select the SaveSet Name and then click Explore Snapshots.
3
Select the snapshot from the Saveset Name list to mount and click Mount.
4
Select the machine to mount the selected snapshot, and click Next.
You can mount the snapshot on multiple client machines.
5
Select the drive or folder path to mount the snapshot.
To mount the snapshot on drive:
•
Select Mount using drive letter, and select the drive from the list, and click Mount.
 
* 
NOTE: The drive letter of the respective client machine is not available which is already used by the client machine.
To mount the snapshot in a folder:
•
Select Mount in folder, and browse the folder for the mount point, and click Mount.
You can select empty folder from any of the drives available for the selected machine.
•
In the Explore Snapshot page, the status in Mounted column changes to Yes.
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