More on Disk Drive Relationships
Here is a link to an L.A. Daily News article on the subject. Excerpt:

Under orders from the affirmative action office, county departments have surveyed about 1,000 pieces of equipment and taped over "master/slave" and put "primary/secondary" on the equipment, officials said.

Joe Sandoval, division manager of purchasing and contract services in the Internal Services Department, started the flap with a memo to electronic equipment vendors saying the county wants master and slave labeling removed from computer equipment it buys.

"The County of Los Angeles actively promotes and is committed to ensure a work environment that is free from any discriminatory influence be it actual or perceived," he wrote in the Nov. 18 memo.

"One such recent example included the manufacturer's labeling of equipment where the words 'Master/Slave' appeared to identify the primary and secondary sources. Based on the cultural diversity and sensitivity of Los Angeles County, this is not an acceptable identification label."...

Sandoval said a Probation Department employee complained to the Office of Affirmative Action Compliance that video equipment had the terms "master/slave" written on it.

As a result of the investigation, the affirmative action office said he should see whether the county could stop buying electronics with those labels on them....