4.6.1 Blank check
The Blank Check utility checks a drive for the presence of meaningful data. To access
the Blank Check Setup screen, tap Blank Check in the Contents section of any drive
details screen.
The following table provides Blank Check option details:
Option Description
Fast Quickly checks to determine if the drive appears to
be blank by reading in and checking the sectors in
the Master Boot Record, the Primary GPT, and the
Secondary GPT.
Random Performs the Fast check, then reads in up to 75% of
the available sectors randomly to determine if they
are blank. The blank check will stop as soon as a
non-blank data pattern is detected.
Linear Linearly reads in up to 100% of the available sectors
to check if the drive is blank. The blank check will
stop as soon as a non-blank data pattern is detected.
A sector is considered blank if it contains only the same repeated 2-byte pattern. Any
non-repeating pattern is considered to be non-blank. However, each individual
sector may contain different repeating patterns. If any sector is found to not be
blank, the drive is not considered blank, and the blank check will stop.
Note: The Fast and Random blank check options do not perform exhaustive
checks of the entire drive. It is possible for a drive to appear to be blank
according to a Fast or Random check while still storing forensically relevant
information.
4.6.2 Reconfigure
The Reconfigure utility allows for execution of drive specific actions, mostly related
to preparing a destination drive to be used for future Duplication and Logical
Imaging jobs. Due to the drive-altering nature of the actions available in this utility,
Reconfigure is only available for destination drives. To access the Reconfigure utility
setup screen (shown below), tap Reconfigure from the Contents section of the drive
details screen.
Chapter 4 Using TD4
40
OpenText™ Tableau™ Forensic TD4 Duplicator
ISTD230100-UGD-EN-1
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