Option Choices Default Description
Error Retry
Count
Zero
One
Ten
100
One
Specifies the maximum number of errors
allowed on each operation on the source drive.
Image Veri-
fication
No Veri-
fication
Verify
Prompt
Prompt
Specifies if, at the end of an imaging operation,
the TD2u should automatically perform a hash
verification of the destination(s), prompt the
user, or do no verification at all.
Wipe Type
Single Pass
Multiple
Pass
Secure
Erase
Single Pass
Specifies the type of wipe to perform. Single
Pass is one pass of zeros across the drive.
Multiple Pass follows the pass of zeros with a
pass of ones and a final pass of random data.
For some SATA solid state destinations, Secure
Erase is a very fast wipe provided by the drive
manufacturer.
Restore to
Defaults
N/A N/A
Resets the above options to the factory
defaults.
Error Recovery Modes
The TD2u supports two different error recovery modes, Exhaustive and Standard. Both modes
refer to the way in which the TD2u recovers from read errors on the source hard disk.
In the Exhaustive error recovery mode, when the TD2u detects a read fault, it begins a retry
strategy that attempts to read each sector in the 64-sector block that contains the error.
Exhaustive mode therefore produces the most complete destination image. However, if the
source drive has many read faults, the exhaustive strategy used by the TD2u can also be time-
consuming.
CHAPTER 2 Setting up the TD2u 25
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