[TriLUG] Hard drive recovery
lugmail at cheetah.dynip.com
Sat Aug 27 10:47:01 EDT 2005
Clicks of death can also be caused by confused/failing electronics, which
cause the heads to jitter out onto the data area of the platters and then
snap back into parking position.
For folks who actually still haven't torn open a dead drive to see the
innards, there's a small (but fairly powerful) magnet which holds the heads
in parking position when the drive is unpowered. A small metal tab on the
positioning assembly makes contact with the magnet when the heads are parked
and goes *click!*
Everyone should dismantle a [already dead or it will be!] hard drive.
There's neat stuff in there. :-)
From: trilug-bounces at trilug.org [mailto:trilug-bounces at trilug.org]On
Behalf Of Jason Faulkner
Sent: Saturday, August 27, 2005 9:01 AM
To: Triangle Linux Users Group discussion list
Subject: Re: [TriLUG] Hard drive recovery
> I've assumed (without any real data) that the clicking was
> due to breaking of the wires on the ribbon cable to the
> heads from the flexing. I didn't think that electronics
> would die.
The "click of death" is caused whenever the head crashes slowly and
gently into the platter and pounces back up... that's why in "worst
case scenarios" you get "click... click... click... GRIND".
OldOs.org Owner/Admin / http://oldos.org / jason at oldos.org
Certified INGOTS Gold Assessor Trainer / http://www.theingots.org
OpenOffice.org Marketing Volunteer / jlfaulkn at openoffice.org
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