IBM RS/6000 7043 43P manual Format Media, Hardfile Attached to Scsi Adapter non-RAID

Format Media

This task allows the selection	of diskettes, hardfiles, or optical m
Each selection is described	below.

Hardfile Attached to SCSI Adapter (non-RAID)

ŸHardfile Format

Writes all of the disk. The drives may put all 0s, while block reassignment occurs

pattern put on the disk is device some may put hexadecimal number 5F.

ŸHardfile Format and Certify

Does	the same function	as	Format. After the format is completed,
This	certify reassigns	all	bad blocks encountered.

ŸHardfile Erase Disk

This option can be used to overwrite (remove) all data currently

user-accessible blocks of the disk. The Erase Disk option writes patterns to the disk. An additional option allows data in a selec read and displayed on the system console.

To use the Erase Disk option, specify the number (0-3) of patte Select the patterns to be written; the patterns are written se first pattern is written to all blocks. Then the next pattern is overlaying the previous pattern. A random pattern is written by s "Write random pattern?" option.

Note: The Erase Disk service aid has not been certified as mee Department of Defense or any other organizations security guide

Chapter 9. Introduction to Tasks and 9Service-25Aids