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NetVault 12.1 - Administration Guide for Managed Service Providers

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
Role-based access to manage 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 Managing Tenant 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 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

Configuring Media Manager settings for RAS devices

To configure Media Manager settings for RAS device:
1
In the Navigation pane, click Change Settings.
2
On the Configuration page, click Server Settings.
3
Under Services, click Media Manager. In the Media Manager dialog box, under General Settings, configure the following settings.
 
Table 138. Media Manager settings for RAS devices
Setting
Description

Offline RAS device after timeout time

The timeout value for determining that a RAS device is not responding. The default value is 7200 seconds. To change the default setting, type or select a new value. After the timeout expires, NetVault Backup sets the device status to offline.

Number of attempts (retries) for onlining a RAS device

The number of times NetVault Backup tries to contact an offline RAS device in an attempt to bring it back online. The default value is 3. If you set this value to zero (0), no attempts are made to bring the device back online.

Cancel online RAS device batch after timeout time

The amount of time NetVault Backup waits for a response from the RAS device before canceling the Media Manager batch that is trying to bring the device back online. The default value is 300 seconds.

RAS device start transfer batch timeout time

The amount of time NetVault Backup waits for a RAS device to begin data transfers. The default value is 30 seconds. You can change it to any value between 10 and 300 seconds.

RAS segment deletion batch timeout time

This setting determines the timeout interval for a batch request for deleting backup segments and indexes from disk-based storage devices. The default value is 300 seconds. If the task completion response is not received within this interval, the Media Manager cancels the current request, and sends a new request.

When deleting large savesets, you can increase the timeout interval to allow the request to be completed before the timeout period elapses. The timeout interval can be between 300 and 3600 seconds.

Max number of RAS segments can be deleted in one batch

By default, the Media Manager removes a maximum of 500 RAS segments per iteration. The value for this setting can be between 100 and 100000.

Max number of RAS Indexes can be deleted in one batch

By default, the Media Manager removes a maximum of 500 RAS segments per iteration. The value for this setting can be between 100 and 100000.

4
Click Apply to apply the new settings and close the dialog box.

Configuring transfer update settings for foreign RAS devices

NetVault Backup writes the data transfer statistics for Data Domain Systems to the stats.stnz file. The nvstatsmngr process uses this file and requires that it is regularly updated. However, frequent updates can have a significant performance impact on the system.

By default, NetVault Backup updates the stats.stnz file after every 5 seconds or 10 blocks of data transfer. You can change this default setting from the Change Settings page.

To configure transfer update settings for Data Domain Systems:
1
In the Navigation pane, click Change Settings.
2
On the Configuration page, click Server Settings.
3
Under Services, click Media Manager. In the Media Manager dialog box, under Foreign RAS Device Configuration, configure the following settings:
•
Transfer Update Frequency (Blocks): By default, NetVault Backup updates the stats.stnz file after every 10 blocks of data transfer. To change the default setting, type or select a new value.
•
Transfer Update Frequency (Seconds): By default, NetVault Backup updates the stats.stnz file after every 5 seconds. To change the default interval, type or select a new value. The time interval is specified in number of seconds.
4
Click Apply to apply the new settings and close the dialog box.

Configuring data transfer stall timeout period for NetVault SmartDisk

To configure data transfer stall timeout period for NetVault SmartDisk:
1
In the Navigation pane, click Change Settings.
2
On the Configuration page, click Server Settings.
3
Under Services, click Media Manager. In the Media Manager dialog box, under DAV RAS Device Configuration, configure the following settings:
•
Data transfer stall timeout: This setting determines the amount of time NetVault Backup waits for a “stream end” response from a NetVault Backup SmartDisk before reporting a stall. The default value is 1800 seconds. To change the default setting, type or select the new value. The stall timeout interval is specified in number of seconds.
4
Click Apply to apply the new settings and close the dialog box.

Configuring media request weightings

The Media Manager process uses media request weightings while assigning a media request for a backup or restore job.

 
* 
IMPORTANT: These settings should only be changed under the direction of Quest Technical Support.
To change relative priority for backup devices:
1
In the Navigation pane, click Change Settings.
2
On the Configuration page, click Server Settings.
3
Under Services, click Media Manager. In the Media Manager dialog box, under Media Request Weightings, configure the following settings.
 
Table 139. Media request weightings
Setting
Description

Local Device Weighting

The media request weighting for local devices is set to 32 by default. To change this setting, type or select the new value. You can assign any value between 2 and 32.

RAS Device Weighting

The media request weighting for RAS devices is set to 16 by default. To change this setting, type or select the new value. You can assign any value between 2 and 32.

Non NDMP Device Weighting

The media request weighting for non-NDMP devices is set to 8 by default. To change the default setting, type or select the new value. You can assign any value between 2 and 32.

Media Loaded Weighting

The media request weighting for media-loaded devices is set to 4 by default. To change the default setting, type or select the new value. You can assign any value between 2 and 32.

Device Empty Loaded Weighting

The media request weighting for empty loaded devices is set to 2 by default. To change the default setting, type or select the new value. You can assign any value between 2 and 32.

By default, the Media Manager gives preference to a local device. To use any other suitable device for a job, you can set a higher media request weight for that device. For example, to ensure that the Verification phase for a job uses the same NDMP device that was used for the backup, you can set a higher value for the Media Loaded Weighting option. If you use the default media request weights, the Media Manager gives preference to a local device even if the required piece of media is loaded into the NDMP device.
4
Click Apply to apply the new settings and close the dialog box.
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