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NetVault 13.0.2 - Administration Guide for Managed Service Providers

Introduction Getting started Configuring clients Managing catalog search Configuring storage devices
About storage devices SAN considerations Quest DR Series systems Quest QoreStor NetVault SmartDisk EMC Data Domain Systems Snapshot Array Manager Virtual Tape Libraries Virtual standalone drives Shared Virtual Tape Libraries Physical tape devices Storage tiers
Backing up data Managing policies Restoring data Managing NetVault 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 Working with client clusters Configuring default settings for NetVault
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 WebUI default settings Configuring NetVault to use a specific VSS provider Configuring default settings using Txtconfig
Diagnostic tracing Managing diagnostic data Using the deviceconfig utility NetVault processes Environment variables Network ports used by NetVault Troubleshooting
Common errors Safe Mode in NetVault

Scanning tape media

You can use the Scan method to query all backups stored on a tape and import those backups that are not indexed in the given NetVault Server’s database. You can also use the Scan method to import “foreign” tapes into the NetVault Database.

To import and restore NetVault Database backups to an alternate backup server, the alternate NetVault Server must have the same NetVault Machine Name as the original server that performed the backups. The amount of time it takes to scan the tapes depends on the number of backups that need to be imported and the size of the backup indexes. The scanning process does not read the data on the tape; this process skips between the start and end of backups to read the index for each backup saveset.

You can scan indexes that are generated with the same or previous versions of NetVault. You cannot scan indexes generated with a newer version of NetVault 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.

When a tape is swapped between libraries, removed from the NetVault Server, or loaded on a device that is controlled by a different NetVault Server, the NetVault Server is unable to find any information about that tape in the NetVault Database. In this case, the first scan retrieves header information from the tape and adds this information to the NetVault Database and then marks the tape as "foreign". NetVault cannot import backups stored on a “foreign” tape until you scan the tape again.

The following sections describe the procedures that you can use to scan tape media:

3
On the Tape Library Management page, click Scan All. (If NetVault fails to start the process, click Force Scan.)
4
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.
Click Scan to start the scanning process and close the dialog box.
3
Click Scan. (If NetVault fails to start the process, click Force Scan.)
To select a tape from the Manage Devices page:
a
In the Navigation pane, click Manage Devices, and in the list of devices, click the icon to open the library that contains the tape.
Otherwise, click the Slots link or the corresponding Manage Slots icon to open the Slot Browser. In the list of slots, select the slot that has the tape.
To select a tape from the Explore Storage page:
a
b
Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.
2
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.
Click Scan to start the scanning process and close the dialog box.
3
Click Scan. (If NetVault fails to start the process, click Force Scan.)

Marking a tape as unusable

If a piece of media is damaged or not suitable for use, you can mark it as “unusable” so that it is not selected for any job. You can set this property from the Explore Tape Media Item page. Once you mark the media as unusable, you need to assign a different media to tenant user groups.

1
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Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.

Marking a tape as read-only

You can mark a tape as “read-only” to protect it from further writes. However, once the media is marked as read-only, new media must be assigned to tenants to store backups.

There are two ways to enable this property for a tape:

You can set the Protect Media from Further Writes after Backup option in the Target Set to enable write‑protection for a tape after the backup completes. For more information, see Configuring media sharing options.
Alternatively, you can set the read-only property from the Explore Tape Media Item page. The instructions are provided in this section.
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Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.

Marking a tape for reuse

A piece of media is automatically marked for reuse when the last saveset stored on it is retired. You can also manually set this property from the Explore Tape Media Item page. NetVault overwrites any existing data on the tapes when they are reused; hence, before marking a media for reuse, ensure that tenant’s Savesets are not present on that media.

When a piece of media is manually marked for re-use, NetVault retains its media label and group associations. To reuse such media, you must set the Reuse Media option in the Target Set to one of the following: Any or With the same group label as target media.

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Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.
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Click Reuse, and then in the confirmation dialog box, click OK.
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