IMPORTANT:
You need to prepare a new OBDR boot tape after each hardware, software or
configuration change. This also applies to any network configuration changes, such as
change of IP address or DNS server.
Automated System Recovery (ASR)
Automated System Recovery (ASR) is an automated system on Windows systems,
which reconfigures a disk to its original state (or resizes the partitions if the new disk
is larger than the original disk) in the case of a disaster. This includes disk partitioning
and logical volume configuration (file formats, drive letter assignments, volume
mountpoints, and volume characteristics). ASR thus enables the Data Protector
drstart command to install the active DR OS that provides Data Protector disk,
network, tape and file system access.
Data Protector then recovers the target system to the original system configuration
and finally restores all user data.
Enhanced Automated Disaster Recovery (EADR)
Enhanced Automated Disaster Recovery (EADR) is an automated Data Protector
recovery method for Windows clients and Cell Manager, where user intervention is
reduced to minimum.
The EADR procedure for Windows platforms collects all relevant environment data
automatically at backup time. During configuration backup, data required for
temporary DR OS setup and configuration is packed in a single large DR OS image
file and stored on the backup tape (and optionally on Cell Manager) for each backed
up client in the cell.
In addition to this image file, a Phase 1 startup information (stored in the P1S file),
required for correct formatting and partitioning of the disk is stored on the Cell
Manager. When a disaster occurs, EADR wizard is used to restore the DR OS image
from the backup medium (if it has not been saved on the Cell Manager during the
full backup) and convert it to a disaster recovery CD ISO image. CD ISO image can
then be burned on a CD using any burning tool and used to boot the target system.
Data Protector then automatically installs and configures DR OS, formats and partitions
the disks and finally recovers the original system with Data Protector as it was at the
time of backup.
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