Configuring and Using Backup Devices

Configuring Stacker Devices

 

Configuring Stacker Devices
What Are Stacker

A stacker is a single device with one drive and sequentially accessed

Devices?

media. Using stacker devices requires more human media management

 

than using a small library. Data Protector provides simple configuration

 

and management of media used in stacker backup devices.

How to Configure

To create a stacker device, specify the Stacker device type in the Add

a Stacker Device?

Device wizard. For detailed steps, refer to the online Help index keyword

 

“configuring stacker devices”.

Stacker Device

The operations scan, verify, or format have to be run separately on each

Media

medium in a stacker device. When performing these operations, use the

Management

Eject medium after operation option, in order to have each medium

 

loaded automatically (only the first medium should be loaded manually).

 

When all the tapes in the stacker magazine are used, the magazine must

 

be unmounted manually and the next one inserted.

 

Stackers load media in sequential order, therefore a Loose media

 

allocation policy is recommended. A Strict policy would require media

 

to be loaded in the same order as they are to be used.

Example

1. Manually load the first medium.

 

2. Run format/verify/scan (with Eject after operation enabled) --

 

(next tape will be loaded automatically).

 

3. Repeat step 2 until all tapes are finished.

 

4. When all the tapes in the stacker magazine are used, unmount the

 

magazine manually and insert the next one.

 

 

NOTE

If a medium is not properly loaded, Data Protector will abort the medium

 

session.

 

 

Chapter 2

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