IBM 6150 Hardware Maintenance Manual page 37

TNL SN20-9843 (03-27-87) to 75X0152 or 75X0166
Fixed Disk Utilities
Note: The Format Fixed-Disk utility erases all data on the fixed disk and
reformats the fixed disk. Before using this utility, backup all data on the
fixed disk being formatted.
Use the Format Fixed-Disk utility only when intermittent read or write
errors have occurred on the fixed disk or the diagnostic programs instruct
you to use this utility. The Format Fixed-Disk utility formats the fixed disk
and writes new addresses on it.
Diagnostic Diskette Copy Utility
2-14 Service Manual
The Diagnostic Diskette Copy Utility provides a program to copy the
diagnostic diskettes. The utility provides the following:
• A message when the
source
diskette is needed
• A message when the target diskette is needed
• A warning message to tell the system operator that the data on the
target diskette will be destroyed
• Formatting of the target diskette
• Copying of the data from the source diskette to the formatted target
diskette.
You may have to change the source and target diskettes during the copying
procedure. A message displays to inform you when to change the diskettes.