Specifications

Using Backup Express for GuardianOS
Chapter 6 Data Protection 105
Components
Backup Express for GuardianOS is comprised of the following major components.
• Snap Server Master Server —
A master server is one that contains the Backup
Express product, including the catalog and modules that control media
management, scheduling and distributed processing. This software is
preinstalled on all Snap Servers.
• Backup Express GUI —
The Backup Express graphical user interface (GUI) is used
for all configuration and administrative tasks. For information on installing,
launching, and using the Backup Express GUI for configuration tasks, see the
Backup Express for GuardianOS Quick Start Guide in the sleeve of the User CD.
•The Catalog —
The catalog is a file stored on the Snap Server that keeps track of
the data you back up. The catalog records the data’s original location on the
network, the data’s current location on a media volume, and the date and time
the backup was performed. Restore operations will fail if this file is deleted.
Backup Modes
A backup mode is a method of backing up data devised for a particular type of data.
Backup Express for GuardianOS offers three backup modes:
•File —
Use file mode to logically back up data by file and directories. File mode is
what you normally think of when you think of backups. You will work in this
mode for most of your backups.
• Catalog —
Use catalog mode to back up the Backup Express for GuardianOS
catalog. Preserving a recent copy of your catalog is essential to restoring data,
particularly in disaster recovery situations.
•Raw —
Use raw mode to performs a physical backup in which Backup Express
for GuardianOS reads the disk block by block and writes it exactly as it reads it.
This is used primarily to back up database files that are written in the raw format.