Administrator's Guide

Chapter 3. Using Magnetic Disk Devices with ADSM

With ADSM, magnetic disk devices are used for these purposes:

• To store the database and the recovery log.

  For details, see Chapter 16. "Managing the Database and Recovery Log".

• To store client data that has been backed up, archived, or migrated from client nodes. The client data is stored in storage pools.

  A summary of procedures for using disk storage for client data is in this chapter.

• To store backups of the ADSM database and to export and import ADSM data. See "FILE Volumes Used for Database Backups and Export Operations".

See the following sections:

Concepts

"Using Cache"

"Freeing Space on Disk"

"Scratch FILE Volumes"

"FILE Volumes Used for Database Backups and Export Operations"

Tasks:

"Using Random Access Volumes on Disk Devices"

"Using Disk for FILE Sequential Volumes"

"Varying Disk Volumes Online or Offline"

In this chapter, most examples illustrate how to perform tasks by using the ADSM command line interface. For information about the ADSM commands, see ADSM Administrator's Reference, or issue the HELP command from the command line of an ADSM administrative client.

All of the ADSM commands can be performed from the administrative client web interface. A Version 3 administrative client GUI is also available for the Windows NT and Windows 95 operating systems. For more information about using the administrative interfaces, see ADSM Quick Start. You can find detailed help for using the graphical user interfaces in the online help facilities.