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Disk drive fired 'Frisbees of death' across data centre after storage admin crossed his wires

MarkET

I used to work with Pertec 5MB fixed + 5MB removable platter drives back in the day. These drives would 'emergency unload' the heads from the disk if errors were detected. This was done by discharging a capacitor to the head voice-coil via a relay. A common engineering fix for repeated unloads was to remove the relay...

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