Murphy's Law Consequences in Automation
The most popular rendition of Murphy's Law is, "What can go wrong will, and at the worst possible time " In today's automation world, we are building ever more complicated automation and management systems, designed to eek the last bit of quality and production performance our of our processes. We are creating some fertile ground for the production of future Murphy's Law crops. Minimizing these risks, from all perspectives - Automation Vendor, System Integrator, and End User, is essential to create solutions that will degrade gracefully to minimize downtime.
Why am I writing about this now? Two Words - Hard Drive. As Baz Luhrmann once said in a commencement speech turned into "Sun Tan Song," "The real troubles in your life are apt to be things that never crossed your worried mind; the kind that blindside you at 4pm on some idle Tuesday." OK, in my case it was 3:15 on a Monday and I had to do a hard boot. That was it "Drive not recognized." New Drive in hand, some software upgrades at the same time, backups that were out of date and a day later of loading, copying, recovering and I was 90% whole again, (not what the plant manager would want to hear, right?). A few shortcuts to get back on line quickly Antivirus software can wait, documentation of the new system setup can wait, I won't forget to update that temporary license I got from my software vendor, to get back up and running By now you're likely shaking your head saying Yup, I've been there Oh, but it gets better. The next morning I wake up to a message saying there is a problem with the Operating System, and the system can't boot. Recover with a Boot Disk, scan the drive and there are bad clusters. The Bathtub Curve still exists
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Author: Roy Kok, AutomationSMX | File Type: PDF
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