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NetVault Backup Plug-in for NDMP 11.4.5 - Application Notes for Isilon

Restoring data

Restoring data using the plug-in

1
On the Create Restore Job — Choose Saveset page, the saveset table provides a list of available savesets.

Saveset is online (all segments are online).

Saveset is partially online (some segments are online).

Saveset is offline (all segments are offline).

Client

Displays savesets created for particular clients. The default selection is Any.

2
In the Choose Client dialog box, select the clients.

Plugin Type

Displays savesets created using a particular plug-in. The default selection is Any.

Date

Displays savesets created during a specified period. The default selection is Any.

Job

Displays savesets created for particular jobs. The default selection is Any.

2
In the Choose Job dialog box, select the jobs.
When you select a saveset, the following details are displayed in the Saveset Information area: job ID number, job title, tag, server name, client name, plug-in name, saveset date and time, retirement setting, Incremental Backup or not, archive or not, and saveset size.
4
On the Create Selection Set page, select the data that you want to restore:
Restore entire saveset: Select the root node.
Restore individual files and directories: Select the target files and directories in the selections tree. The selections tree can only be browsed if the Save File Information option was selected during backup.
5
Click Edit Plugin Options, and configure the following settings.

NDMP Server

This option specifies the target filer name. It is only required when you want to restore data to an alternate filer. By default, it is set to the name of the original filer from which the data was backed up. Do not change the NDMP Server while restoring data to the same filer.

Direct Access Restore Mode

Select the appropriate Direct Access Restore (DAR) mode from the following:

Use Direct Access Restore if Possible: To perform a direct-access restore if the backup was direct and the mover and data server can complete a direct-access restore, select this option. If these conditions are not met, a nondirect-access restore is performed.
Use Direct Access Restore by Recovering Individual Files: To restore a directory and its file contents, select this option. When you use this option, empty directories in the saveset are ignored.
Only Do Direct Access Restore: To force a direct-access restore, select this option. It can be only used if the backup was direct and the mover and data server can complete a direct-access restore; otherwise the restore job fails.
Never Do Direct Access Restore: To perform a standard nondirect-access restore, select this option.

Restore Hard Links

If hard links are incorrectly backed up, the restore job fails and the following message is displayed in the NDMP backup logs:

Bad hardlink path for <path>

If the restore jobs are failing due to this error, select the Restore Hard Links check box. When this check box is selected, hard links are recovered by building a hard-link table.

IMPORTANT:  
6
To save the settings, click OK, and then click Next.
7
In Job Name, specify a name for the job.
In the Target Client list, the client from which data was backed up is selected by default. Do not change this setting.
For more information about these sets, see the Quest NetVault Backup Administrator’s Guide.
You can monitor the job progress from the Job Status page and view the logs from the View Logs page. For more information about these functions, see the Quest NetVault Backup Administrator’s Guide.

Restoring Incremental Backups

The incremental restores build on each other. To restore an Incremental Backup, you must have all the backups from Level-0 through the last backup in the backup sequence that you want to restore.

Renaming or relocating data

When restoring a backup, you can rename the directories to create a copy of the data instead of overwriting of the existing versions. You can also relocate the data to a different volume. This procedure can be useful if the original volume is down or if you are dealing with limited bandwidth or capacity.

3
In the Restore Rename dialog box, provide the following information.
Click OK to close the dialog box.
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