HP B6960-96035 - Manual (Page 131)

Alternative disaster recovery methods
This section compares the Data Protector disaster recovery concept with concepts of
other vendors. This section points out only significant aspects of alternative recovery
concepts. Two alternative recovery approaches are discussed:
Recovery methods supported by operating system vendors
Most vendors provide their own methods, but when it comes to restore, they typically
require the following steps:
1. Reinstall the operating system from scratch
2. Reinstall the application(s)
3. Restore application(s) data
Excessive manual reconfiguration and customization of the operating system and the
application(s) is required to reconstruct the status before the disaster. This is a very
complicated, time consuming, and error-prone process using different tools that are
not integrated with each other. It does not benefit from a backup of the operating
system, the application(s), and their configurations as a whole set.
Recovery using third-party tools (for Windows)
This often consists of a special tool that backs up the system partition as a snapshot,
which can be restored rapidly. The method conceptually requires the following steps:
1. Restore the system partition (using the third-party tool)
2. Restore any other partition (perhaps selective) if required using the standard
backup tool
It is obvious that one has to work from two different backups with different tools. This
is a difficult task to perform on a regular basis. If this concept is implemented for a
large organization, the administrative overhead to manage the different versions
(weekly backup) for the data from two tools must be addressed.
Data Protector on the other hand represents a powerful all-in-one cross-platform
enterprise solution for fast and efficient disaster recovery that includes backup and
restore and supports clustering. It provides easy central administration, easy restore,
high availability support, monitoring, reporting and notifications to aid administration
of systems in a large organization.
Concepts guide 131