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[ale] [OT] my hard drive raid array is making funny noises....

Jim Kinney <jim.kinney at gmail.com> writes:

> OK. I get the lead drive (top center facing the camera) sound is made by
> driving the head to seek to make tones. The other drives are a zillion years
> old and aren't moving fast enough (to my eye) to make the low tones I'm
> hearing. Start up noises, maybe?
> heh, heh. talk about "techno" tunes :-)

They are floppy drives, so they are spinning slower than an HDD.  It's
probably a combination of specific sector reads to get the heads to move
appropriately for the various frequencies.

Man this is a cool hack!


       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available