IBM RS/6000 7025 manual Optical Disk Service Aids, Diagnostics

Optical Disk Service Aids

The Optical Disk Service Aids consist of Initialize, Format and Certify, and Spar Sector Availability service aids.

ŸInitialize

This service aid		is used to format the optical disk	without	certifying	it. Th
does	not reassign	the defective sectors; however, it	is a	quick way	of for
after	cleaning the	disk.

ŸFormat and Certify

This service aid is used to format the optical disk and certify it. The ce process is drive specific and performs the surface analysis of all user dat spare sectors. The defective sectors are reassigned.

ŸSpare Sector Availability

This	service		aid	checks the		number of	spare sectors available on the	optical
The	spare	sectors		are	used to reassign when defective sectors are			encounte
during normal			usage	or	during	a format	and certify operation. Low availability
spare sectors indicates that the disk							needs to be backed up and replaced.
Formatting		the	disk	will	not improve the		availability of spare sectors.

Periodic	Diagnostics	Service Aid
This	service	aid	provides	a tool for configuring periodic	diagnostics	and	automat
error	log analysis. A hardware resource can be chosen to be tested once a da
user	specified		time. If	the resource cannot be tested	because it	is	busy,

analysis is performed. Hardware errors logged against a resource can also be

monitored	by	enabling	Automatic Error	Log	Analysis.	This allows	error	log	analysis to
be performed every time a hardware error is						put into the error log. If				a p
detected, a		message	is posted to	the	system	console and a mail message sent t
the user(s) belonging to the system group with						information	about	the	failure	such
Service	Request Number.

The service aid provides the following functions:

Ÿ Add or delete a resource to the periodic test list

Ÿ Modify the time to test a resource

Ÿ Display the periodic test list

Ÿ Modify the error notification mailing list

Ÿ Disable Automatic Error Log Analysis

Chapter 7. Using the Service7-19Aids