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.
Smart Performs the Fast check, then reads in up to 75% of the
available sectors randomly to determine whether they are
blank. The blank check will stop as soon as a non-blank data
pattern is detected.
Complete 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 Smart blank check options do not perform exhaustive
checks of the entire drive. It is possible for a drive to appear to be blank
Chapter 3 Configuring TX1
64
OpenText™ Tableau™ Forensic TX1 Imager
ISTX240300-UGD-EN-1
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