Working on a ServiceGuard cluster of HP-UX boxes for a major retailer, I put the IP address onto the wrong computer, and stopped all warehousing operations (for

Working on a ServiceGuard cluster of HP-UX boxes for a major retailer, I put the IP address onto the wrong computer, and stopped all warehousing operations (for the country) the day before a long weekend. Might have been a million dollars worth of losses incurred... My brother short-circuited $25k worth of test equiment (at a time when salaries were around $30k/yr) on his first day at work at one job.