Symantec NETBACKUP 7 Bedienungsanleitung PDF herunterladen (Seite 90)

Deleting backup images

Image deletion may be time consuming. Therefore, if you delete images manually,

Symantec recommends the following approach.

See “Data removal process” on page 118.

To delete backup images manually

Expire all of the images by using the bpexpdate command and the

-notimmediate option. The -notimmediate option prevents bpexpdate from

calling the nbdelete command, which deletes the image.

Without this option, bpexpdate calls nbdelete to delete images. Each call to

nbdelete creates a job in the Activity Monitor, allocates resources, and

launches processes on the media server.

After you expire the last image, delete all of the images by using the nbdelete

command with the –allvolumes option.

Only one job is created in the Activity Monitor, fewer resources are allocated,

and fewer processes are started on the media servers. The entire process of

expiring images and deleting images takes less time.

Disabling deduplication for a client

If you remove a client from the list of clients that deduplicate their own data,

NetBackup backs up the client normally.

To disable client deduplication for a client

In the NetBackup Administration Console, expand NetBackup Management

> Host Properties > Master Servers.

In the details pane, select the master server.

On the Actions menu, select Properties.

On the Host Properties Client Attributes General tab, select the client that

deduplicates its own data.

In the Deduplication Location drop-down list, select Always use the media

server.

Click OK.

About maintenance processing

The following are background maintenance processes:

Managing deduplication

Deleting backup images

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Symantec NETBACKUP 7 Bedienungsanleitung Seite 90