Floppy disks aren't dead yet as this San Francisco train line relies on three of them to run every morning
The sound of a crunching floppy disk drive may well be the soundtrack to a large part of my misspent youth. Please insert disk four of five. Oh you've lost it? No games for you, little Andy. No games for you.
Putting my childhood trauma aside for a moment, it turns out that floppy disks may not be quite as dead as we thought. Incredibly, San Francisco's Municipal Transportation Agency is still reliant on three 5.25-inch floppies to load the software required to run the central servers for its Muni Metro light rail line each morning, which in turn controls the system that allows trains to run in automatic mode while in the subway system. (via Ars Technica). Totally reasonable, that.
The good news is, the SFMTA is attempting to update the system to remove its reliance on decades old technology. The bad news, however, is the initial planning took place in 2018, and due to some covid-related delays, it's planning on completing the project in, err, 2029-2030.
Grand. Anyways, to the SFMTA's credit, it's been highlighting exactly why a floppy disk-based train control system is a bad idea in this modern day and age, which seems rather obvious but let's go there anyway. As Jeffery Tumlin, the director of transportation for the agency rather succinctly puts it:
«The system is currently working just fine, but we know that with each increasing year, risk of data degradation on the floppy disks increases and that at some point there will be a catastrophic failure.»
And when it comes to train incidents, the term «catastrophic failure» really is enough to raise the hairs on the back of your neck. The system first came into usage in 1998 and was expected to last 20 to 25 years, meaning that it passed the upper margin of that time frame last year. The lifespan of an individual floppy disk itself is difficult to estimate, but is said to have an upper range of around 10-20 years when stored correctly, and Sony, the last diskette maker, ceased production in 2010.
Still, this wouldn't
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