NetVault 13.0.2 - Administration Guide

On the NetVault Server Settings page, under Services, click Media Manager. In the Media Manager dialog box, under General Settings, configure the following settings.

Table 124. General settings for Media Manager
Setting	Description
Minimum life for imported backups	This setting specifies the minimum life for backups that are imported to the NetVault Database by scanning the backup media. This setting only applies to the backups that are not available in the NetVault Database. When you import a backup, its data is temporarily stored in the NetVault Database for seven days. To change the default setting, type or select a new value. The minimum life setting is specified in number of days. You can override the global setting by configuring the minimum life for imported backups at the time of scanning. For more information, see Scanning a disk-based storage device and Scanning tape media. This setting does not affect the backups that have not reached their retirement age or generation count. For such backups, the backup life setting determines the retirement time.
Use barcodes as labels	You can configure NetVault to automatically label blank media during backups by setting the Automatically Label Blank Media option in the Target Set. By default, NetVault assigns a system-generated string as the media label to blank media items. The string consists of the NetVault Server Name, the current date, and a seed number. To assign media barcodes as the default label for blank media during backups, select this check box.
Continuation Restore Request Priority Boost	A continuation restore request occurs when an active restore job requires additional media for completion. By default, these requests are assigned a priority level of 5 so that they are not preempted by other media requests and the active job is completed without any interruption. To change the default setting, type or select a value from 1 through 100. 1 denotes highest priority, while 100 denotes lowest priority. A job with a priority level of zero (0) runs as a background task.
Continuation Backup Request Priority Boost	A continuation backup request occurs when an active backup job requires additional media for completion. By default, these requests are assigned a priority level of 5 so that they are not preempted by other media requests and the active job is completed without any interruption. To change the default setting, type or select a value from 1 through 100. 1 denotes highest priority, while 100 denotes lowest priority. A job with a priority level of zero (0) runs as a background task.
Label Request Priority	NetVault assigns a priority level of 10 to bulk media labeling requests. To change the default priority setting, type or select a value from 1 through 100. 1 denotes highest priority, while 100 denotes lowest priority. A job with a priority level of zero runs as a background task.
Blank Request Priority	NetVault assigns a priority level of 10 to bulk media blanking requests. To change the default setting, type or select a value from 1 through 100. 1 denotes highest priority, while 100 denotes lowest priority. A job with a priority level of zero (0) runs as a background task.
Bulk Label Callback Timeout	The callback timeout for bulk media labeling controls how long NetVault waits for user inputs before ending these requests. By default, NetVault waits for 120 seconds for user confirmation. If confirmation is not received within the specified interval, the request is not carried out. To change the default setting, type or select a new value. The timeout value is specified in number of seconds.
Bulk Blank Callback Timeout	The callback timeout for bulk media blanking controls how long NetVault waits for user inputs before ending these requests. By default, NetVault waits for 120 seconds for user confirmation. If confirmation is not received within the specified interval, the request is not carried out. To change the default setting, type or select a new value. The timeout value is specified in number of seconds.
Minimum interval between reporting online capacity	This setting determines how frequently the online media status is updated on the NetVault WebUI.The default value is 10 minutes. To change the default setting, type or select a new value. The update interval is specified in number of minutes.
Mark expired Read Only media as writable	This option prevents automatic reuse of retired read-only media. When you select this check box, the read-only tag for a media item is automatically removed when the last saveset stored on it is expired, and the media item becomes available for re-use. Existing read-only and expired media (all saveset are expired) prior to selecting this check box, will be writable when the next saveset is expired in the NetVault after selecting this check box.
Maximum characters in a media request diagnosis	By default, NetVault supports a maximum of 64,000 characters in the Diagnose Media Requests for Job dialog box. To change this setting, type or select a new value. The value is specified in thousands of characters. Lesser number of characters may result in quicker output. However, the output may be truncated and you may not get the complete information. Therefore, you should not change the default value for this option.
Use Target media request timeout for Source media request	This option can be used to set timeout interval for source media requests. It applies to Plug-in for Consolidation, Plug-in for Data Copy, and Secondary Copy jobs. When you select this check box, the timeout setting for the source media is automatically obtained from the Target Set defined for the job. If the required piece of media is not available within the specified interval, the job is aborted.
Force Process Media Request Queue Throttling	This setting allows NetVault to interrupt the continuous processing of media request queues in very busy systems to allow other processing to occur. It determines the minimum response time between two media requests. The default value is 5 seconds. The value must be specified in number of seconds. NOTE: This setting should only be changed under the direction of Quest Technical Support.
Life Of Segments Table Scan Results For Duplication	When performing Phase 2 Data Copy and Duplication jobs, the Media Manager stores the results of the Segments table scan so that it does not have to scan the table each time a media request is serviced. This setting determines the amount of time the cached results are retained by NetVault. The default value is 10 seconds. You can change it to any value between 10 and 1800 seconds.
Maximum number of sessions to retire at a time	By default, the Media Manager removes a maximum of 250 sessions per iteration. To change the default setting, type or select a new value.
Delete Unused Media Groups	This check box is selected by default. When configuring the target media options for a backup job, the media group list only shows those groups that contain any media items. The Media Manager automatically removes unused media groups. If you do not want to remove unused groups from the media group list, clear this check box.
Media Online Threshold (secs)	This setting allows you to select the time interval (in seconds) at which the NetVault media manger updates the device status in the database. Type or select the value. The default value is 0 second.The range for this setting is 0-600 seconds. If the value of this setting is set to low, the device status is updated frequently resulting in overhead on media manager. If the number of media devices attached are few, then a lower value is preferred. However, if more number of media devices are added then, enter a high value for this parameter. NOTE: Increasing this value leads to delay in updating the device online status and does not affects the performance.

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

Configuring retirement rules for dependent backups

By default, the retirement of backups from a backup series is deferred until all dependent backups are ready for retirement. The backups are retired only when the last dependent backup is retired. You can use the Retirement Timing Control setting to modify this behavior and force removal of backups according to their retirement schedule.

To configure the retirement rules dependent backups:

In the Navigation pane, click Change Settings.

On the NetVault Server Settings page, under Services, click Media Manager. In the Media Manager dialog box, under General Settings, configure the following setting:

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Retirement Timing Control: You can use the following rules to retire dependent backups:

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Force Always: When this rule is applied, a backup is removed when it reaches its retirement time. As a result, all backups from an Incremental Backup Series or a Differential Backup Series are retired when the first backup is retired. Forcing this behavior can cause early retirement of dependent Incremental and Differential Backups.

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Keep Duplicates with Dependents: This rule specifies the retirement behavior of Duplicate Backups. When this rule is applied, Duplicates with dependents are retired only after all dependent backups have reached their retirement date. The Duplicate Backups are marked for removal according to the retirement schedule, but the removal is deferred until all dependent backups are ready for retirement.

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Allow Duplicates with Dependents to Retire: This rule specifies the retirement behavior of Duplicate Backups. When this rule is applied, Duplicates with dependents are removed when their retirement date is reached only if the original backups or other copies are available for these backups. In the absence of the original backup or other copies, the Duplicate Backups are marked for deletion, and removed when the last dependent backup is retired.

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

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NetVault 13.0.2 - Administration Guide

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