HP XP7 Storage - Manual (Page 23)

Description Item
Type of data pattern: default data pattern or custom. Data Pattern
• Default Pattern(00-FF-00): Three passes with the following dummy data patterns: “00”
for the first pass, “FF” for the second pass, and “00” for the third pass.
•
Data Pattern(User Setting): Selected to define the number of passes and the data pattern
for each pass.
Volume Shredder selects a 4-digit hexadecimal number at random to be used as the dummy
data pattern for the pass. Random Data
Enter a hexadecimal number (from 0 to FFFF) to be used as the dummy data for the
user-defined pass. Define Data
Adds the user-defined data pattern to the Data Pattern(User Setting) table. This button is
available only when you select Data Pattern(User Setting) for the Data pattern type. Add
Edit Shredding Data Pattern window 23