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Disaster Recovery
Automated System Recovery
Chapter 10 483
• Only those local backup devices are supported, that can be installed
by Windows during OS installation (no additional drivers are
required).
Preparation
Complete the steps described in the section “Preparing for a Disaster
Recovery” on page 443 in addition to completing the steps listed in this
section. See also “Advanced Recovery Tasks” on page 490 in order to
prepare for disaster recovery.
IMPORTANT You have to prepare for disaster recovery before a disaster occurs.
Prerequisite A full client backup (including the configuration) is a prerequisite for
successful ASR. See “Backing Up Filesystems (Logical Disk Drives)” on
page 168 and “Backing Up CONFIGURATION” on page 173.
After you have performed the full client backup you have to prepare an
ASR set. An ASR set is a collection of files stored on two or three
diskettes, required for proper reconfiguration of the replacement disk
(disk partitioning and logical volume configuration) and automatic
recovery of the original system configuration and user data that was
backed up during the full client backup. These files are stored as an ASR
archive file on the Cell Manager (in
<Data_Protector_home>\Config\dr\asr on a Windows Cell Manager
or in /etc/opt/omni/dr/asr/ on a UNIX Cell Manager) as well as on
the backup medium. ASR archive file is extracted to two diskettes for
32-bit Windows system or three diskettes for 64-bit Windows system
after a disaster occurs. You need these diskettes to perform ASR.
NOTE You have to create the ASR set for the Cell Manager in advance, because
you will not be able to obtain the ASR archive file after the disaster.
Creation of ASR
Set
Perform the following steps to create an ASR set:
1. Perform a full client backup.
2. Insert a diskette in the floppy drive.