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NetVault 11.3 - Administration Guide

Introduction Getting started Configuring clients Configuring storage devices Backing up data Managing policies Restoring data Managing jobs Monitoring logs Managing storage devices
Monitoring device activity Managing disk-based storage devices in table view Managing disk-based storage devices in tree view Managing tape libraries in table view Managing tape libraries in tree view Managing tape drives in table view Managing tape drives in tree view Adding shared devices
Managing storage media Managing user 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 to use a specific VSS provider Configuring default settings using NetVault Configurator Configuring default settings using Txtconfig
Diagnostic tracing Using the deviceconfig utility NetVault Backup processes Environment variables Network ports used by NetVault Backup Troubleshooting

Modifying Data Domain System settings

You can modify the username, password, stream limit, or block size for an existing Data Domain system.

To modify the settings for a Data Domain System:
1
In the Navigation pane, click Manage Devices.
2
In the list of devices, locate the device, and click the corresponding Manage Device icon.
3
Click Update, and in the Update Device Details dialog box, modify the required settings.
Option
Description

Username

Specify a DD Boost user account that can be used to log on to the device for backups and restores. Verify that the user account is created on the Data Domain system before you add the device to the NetVault Backup Server.

Password

Type the password for the user account.

Stream Limit

The default value for this setting is 32 streams. This setting applies to all NetVault Backup Servers to which the container is added. If the number of data streams exceeds the defined limit for the container, the Media Manager reports an error (“Device has too many streams”).

You can set the soft stream limit to any value between 1 and 256.

If the container is added to more than one NetVault Backup Server, set the same soft stream limit on all servers.

Block size

Type or select the block size for data transfers. The block size is specified in KiB. The default block size is 128 KiB.

4
Click Update the save the settings.

Checking the status of a disk-based storage device

To check the status of an offline device:
1
In the Navigation pane, click Manage Devices.
2
In the list of devices, locate the device, and click the corresponding Manage Device icon.
3
Click Check, and then in the confirmation dialog box, click Check again.
If the device is operational, its status is changed to “Available.”

Changing the status of a disk-based storage device

To change the status to online or offline:
1
In the Navigation pane, click Manage Devices.
2
In the list of devices, locate the device, and click the corresponding Manage Device icon.
3
If the device is offline, click Online to bring it back online.
4
If the device is online, click Offline to take it offline.
The Offline method marks the device as offline and makes the device unavailable to NetVault Backup. This method does not physically take the system offline.

Scanning a disk-based storage device

You can use the Scan method to query all backups stored on a disk-based storage device and import those backups that are not indexed in the given NetVault Backup Server’s database.

To import backups to the database, the NetVault Backup Server must have the same NetVault Backup Machine Name as the original server that performed the backups. The amount of time it takes to scan the backups depends on the number of backups that need to be imported and the size of the backup indexes.

You can scan indexes that are generated with the same or previous versions of NetVault Backup. You cannot scan indexes generated with a newer version of NetVault Backup on an earlier version of the server if the servers do not use the same index version. If an index version is not supported, the index is not imported and a message is generated in the logs.

* 
IMPORTANT: When a backup stored on a disk-based storage device (such as DR Series System, NetVault SmartDisk, or Data Domain System) is retired, that backup is deleted from the device. You cannot import the deleted backup by scanning the device.
To scan a disk-based storage device:
1
In the Navigation pane, click Manage Devices. In the list of devices, locate the device, and click the corresponding Manage Device icon.
Alternatively, in the Navigation pane, click Explore Storage. Click Explore Disk Storage, and in the repository table, select the device.
2
On the RAS Device Management or Explore Disk Storage page, click Scan.
3
In the Scan Device dialog box, you can configure the following option:
•
Minimum life for imported backups: This option specifies the minimum life for backups that are imported to the NetVault Database. This option only applies to the backups that are not available in the NetVault Database.
The default value for this option is seven days. You can change the default setting by modifying the Media Manager settings. For more information, see Configuring general settings for Media Manager.
To change the minimum life setting for the current session, type or select a new value. The minimum life setting is specified in number of days.
Depending on the value set for this option, the retirement time for imported backups is modified as follows:
•
If a backup is scheduled to retire before the specified period, its retirement time is set to the specified minimum life.
•
If a backup is scheduled to retire after the specified period, its retirement time remains unchanged. For such backups, the backup life setting determines the retirement time.
Click Scan to start the scanning process and close the dialog box.
* 
NOTE: If a backup stored on a DR Series System was performed using a non-standard block size, the scan process is unable to read the index for that backup from the device. To import indexes for such backups, you can configure an alternate index read block size in the mediamgr.cfg file. For more information, see Configuring an alternate index read block size for Dell DR Series Systems.
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