HP XP P9500 Storage - Manual (Page 5)

You can configure Volume Shredder to overwrite data three to eight times, and each time the
system overwrites the data you can configure the dummy data to be a different hexadecimal number
from 0 to FFFF.
After the system finishes overwriting data, you can view the results in the user interface; or, if
configured, you can open a compressed results files.
Example of Volume Shedder use 5