O&O Software DiskImage 5 Professional Edition Guía de usuario descargar pdf (Pagina 63)

Settings for imaging

O&O DiskImage-57

Image of the changes

If you only want to save changes made since the last imaging, select Image of the changes as task on the Start

page of O&ODiskImage. This will allow you to create an image that saves only those changes that have occurred

since the last base image. These incremental/differential images generally require less hard disk space than a com-

plete image.

Note: if you want to create an image of the changes, you will need to have an existing complete image of the

respective drive available to use as a base image. Afterwards, the image of the changes that you created can

also serve as a new base image.

Note: The option Use checksums to manage unchanged data is always set by default. The last incre-

mental/differential image created is enough to serve as the base image when creating an Image of the changes.

If Use checksums to manage unchanged data is not set, you will need the last base image and all existing incre-

mental images because these must be accessed as part of the imaging process.

Forensic imaging

This imaging method is especially useful when creating images of non-supported files system or when, for example,

you would like to recover deleted data from a source drive with special data recovery software. With this method,

an exact sector-level copy of the source drive is made. By saving all sectors of a partition or drive, the unoccupied

and deleted portions of file systems can be imaged in their entirety.

Direct forensic

Direct forensic imaging is a special case. Just as with regular forensic imaging, a complete copy of a source drive will

be created. The difference, however, lies in data being read over deep system interfaces. This makes it possible to,

among other things, image an encrypted hard disk using encryption software.

Specify the size of an image file

An image can be split into multiple image files. If a disk doesn't have enough space to contain a full image of your

selected drives, you will automatically be requested to enter another target location. It is also possible to manually

set the maximum size of an image file before creating the image. If the image being created is larger than the

entered file size, additional image files will be created.

This function is especially useful when you plan to burn your image onto a CD/DVD at a later time. Sometimes a

CD/DVD is not large enough to contain the entire image file. We recommend your limiting image files to the size of

the blank CD/DVD onto which you will be writing your images.

The image file can also be split at a later time using the Convert image file function. It is, however, recommended

to split images at the time they are created to avoid any confusion that may arise.

l Under Imaging/Options/Image file/File size/ Split image into smaller image files with fixed sizes you can

specify the size of individual image files.

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O&O Software DiskImage 5 Professional Edition Guía de usuario Pagina 63