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NetVault Plug-in for NDMP 10.0.5 - Application Notes for Mirapoint Message Server

Backing up data

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About Backup Dump Levels
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Backing up data using the plug-in

About Backup Dump Levels

The Plug‑in for NDMP supports both Full and Incremental Backups. The backup type is determined by the Dump Level that can be set to Level 0 for a Full Backup or Levels 1 through 9 for Incremental Backups:

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Level 0 or Full Backup: A Full Backup provides a backup of all the data in the selected path.
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Level 1 through 9 or Incremental Backup: The Incremental Backups base themselves on the most recent lower‑level Incremental Backup, and include any data that has changed or is new since the last Full or Incremental Backup.
Examples:
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Level 1 Incremental Backup includes any data that has changed or is new since the last Level 0 or Full Backup.
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Level 2 Incremental Backup includes any data that has changed or is new since the last Level 1 Incremental Backup, and so on, up to dump level 9.
Important notes
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If a directory is included in a dump level 0 backup, it is included in all future dumps even if no changes have occurred. In this instance, the directory is empty and does not contain content. However, it does not negatively affect the recovery of data.
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Only one dump level is maintained for each selected set of data. For example, after performing Level 1, Level 2, and Level 3 Incremental Backups, if you perform a Full Backup, the dump level is reset to 0. The next instance of the Incremental Backup is based on the Full Backup.
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If an Incremental Backup fails, the subsequent backup is based on the most recent backup of a lower level. For example, if dump level 1 is completed successfully, but dump level 2 fails, dump level 3 is based on dump level 1. The failure of an Incremental Backup is noted in the NetVault Backup logs.

Backing up data using the plug-in

To back up data using the plug-in
1
In the Navigation pane, click Create Backup Job.
— or —
In the Navigation pane, click Guided Configuration, and then on the NetVault Configuration Wizard page, click Create Backup Jobs.
2
In Job Name, specify a name for the job.
Assign a descriptive name that allows you to easily identify the job for monitoring its progress or restoring data. The job name can contain alphanumeric and non-alphanumeric characters, but it cannot contain non-Latin characters. There is no length restriction. However, a maximum of 40 characters is recommended on all platforms.
3
Click Create New next to the Selections list.
4
On the NetVault Backup Selections page, open the NetVault Backup Server, and then open NDMP Client.
5
Select the applicable filer, and in the Actions list, click Enter Backup Path.
6
In the NDMP Backup Request dialog box, configure the following option:
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Directory: The Mirapoint Message Server only supports the backup of all mailboxes. Type the full path to the mailbox store (for example, /usr/store). The backup fails if you specify any other path.
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Dump Level: Select the type of backup that you want to perform. For a Full Backup, type or select 0. For an Incremental Backup, type or select any level from 1 to 9, based on the previous dump level.
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Save File Information: This option allows you to restore individual files and directories included in the backup. If you clear this check box, the plug-in does not allow you to perform granular restore of the items included in the backup. We recommend that you leave this check box selected.
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Update: With this option selected, the appropriate dump file is updated to reflect the Incremental Backup sequence after a successful backup. For example, if Dump Level 3 backup is performed, this file is updated to indicate the point in time the backup occurred, so that Dump Level 4 knows where to begin its backup.
You must select this option when performing an Incremental Backup of level 1-9 as this information is required to recover data up to a specific dump level.
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Click OK to save the settings.
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Select or create the Schedule Set, Target Set, and Advanced Options Set. For more information about these sets, see the Dell NetVault Backup Administrator’s Guide.
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To submit the job for scheduling, click Save & Submit. You can monitor the job progress from the Job Status page and view the logs from the View Logs page.
To save the job definition without scheduling it, click Save. You can view, edit, or run this job from the Manage Job Definitions page. This job is not displayed on the Job Status page until you submit it.
For more information about Job Status, View Logs, and Manage Job Definitions, see the Dell NetVault Backup Administrator’s Guide.

 

 

Restoring data

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Restoring data using the plug-in
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Restoring Incremental Backups
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Searching for files in savesets
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Viewing media list
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