Adaptec APA-358 User Manual download pdf (Page 114)

SnapBack Live! 114

provides long descriptions and menu support for multiple

images, a master CD could contain a collection of common

standard configurations.

Using Differential Images

Differential images allow storage of several complete

workstation images based on a common base image. A base

image might consist of a standard Windows 95 installation.

Installing Microsoft Office, then creating a differential

image would only save the differences made by the

installation of Office. Restoring a differential image will

restore the complete image using sectors from both files.

Differential images make it easy for administrators to

construct multiple image sets without consuming large

amounts of server drive space.

Note > The differential image is based on a strict sector-by-sector

comparison of the current workstation drive data to the base image.

Reinstalling the same software sets on two machines will not create

duplicate base images. A secondary install will write application files and

data to different sectors.

Preparing for Differential Backup

DUP

Before creating a differential image a base image backup

must be created. This process is the standard backup

procedure described earlier. In this manual.

Restore the Base Image

The differential image creation process should begin with

restoration of a base image to a model workstation.

Reinstalling the software “from scratch” will not create a

duplicate to a similar base image.

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Adaptec APA-358 User Manual Page 114