IBM B50 - Manual (Page 206)

This selection allows the user to certify (check the integrity of the data) on drives
designated as spares.
Format Physical Disk
This selection is used to format a selected disk drive.
Array Controller Microcode Download
This selection allows the microcode on the 7135 controller to be updated when
required.
Physical Disk Microcode Download
This selection is used to update the microcode on any of the disk drives in the
array.
Update EEPROM
This selection is used to update the contents of the EEPROM on a selected
controller.
Replace Controller
Use this selection when it is necessary to replace a controller in the array.
Adapter Microcode Download
Usage: diag -c -d -T "download [-B][-D][-P]"
Flag Description
-B Download boot block microcode (default to functional microcode)
-D Microcode is on diskette (default to /etc/microcode directory)
-P Download the previous level of microcode (default to latest level)
Physical Disk Microcode Download
Usage: diag -c -d -T "download -l [-D][-P]"
Flag Description
-l Physical disk channel/ID (i.e. 27)
-D Microcode is on diskette (default to /etc/microcode directory)
-P Download the previous level of microcode (default to latest level)
Physical Disk Format
Usage: diag -c -d -T "format -l "
9-34 7046 Model B50 User's Guide