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NetVault 12.3 - 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

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.

To mark a tape as unusable:
1
In the Navigation pane, click Explore Storage.
2
Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.
3
To mark the tape as unusable, click Mark Unusable.
4
To change this property, select the tape, and click Mark Usable.

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.
To mark a tape as read-only:
1
In the Navigation pane, click Explore Storage.
2
Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.
3
To mark the tape as read-only, click Mark Read Only.
4
To change this property, select the tape, and click Mark Writable.
 
* 
IMPORTANT: A piece of media can be marked as “read-only” to stop further writes if a SCSI error occurs during a write operation. When this error occurs, check for hardware errors. If no tape or media error is found, set the tape as “writable.”

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 Backup 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 Backup 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.

To manually mark a tape for reuse:
1
In the Navigation pane, click Explore Storage.
2
Click Explore Tape Storage. In the list of media items, select the tape, and click Explore Media.
3
Click Reuse, and then in the confirmation dialog box, click OK.

Removing an offline tape

You can use the following procedure to remove an offline tape.

When you remove an offline tape, the information about that tape is deleted from the NetVault Database; the backups stored on the tape are not deleted. To use the backups stored on the tape, you must scan the tape and import the media information into the NetVault Database.

To remove an offline tape:
1
In the Navigation pane, click Explore Storage.
2
Click Explore Tape Storage. In the list of media items, select the tape that you want to remove, and click Explore Media.
Only offline tapes can be removed from NetVault Backup.
3
Click Remove, and then in the confirmation dialog box, click OK.
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