> > If I were tasked with cleaning up after something that required disk > destruction, I'd order a bunch of new preinstalled-windows disks first, > swap them out and then disassemble and grind off the magnetic surfaces > with a disk-grinder before discarding the old disks. > Years ago, when the SAGE air defense system used drum memory units manufactured by Ferranti, they would be resurfaced periodically by being sent to Toronto - handcuffed to a human guard. The drum would be turned down on a lathe and the shavings collected into a bag by the human guard, and the drum then returned back into service.
I guess the bag thing was to ensure that no one could reconstruct the information from the shavings, which seems pretty improbable. Peter -- Peter Hiscocks Syscomp Electronic Design Limited, Toronto http://www.syscompdesign.com USB Oscilloscope and Waveform Generator 647-839-0325 --- Talk Mailing List [email protected] http://gtalug.org/mailman/listinfo/talk
