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Re: Trying to rescue a hard disk -- weired feedback??



On Tue, 2008-01-15 at 21:29 -0500, Gene Heskett wrote:
> On Tuesday 15 January 2008, Msquared wrote:
> >On Tue, Jan 15, 2008 at 09:37:16AM -0700, Robin Laing wrote:
> >> 1.  If you have a drive carrier, put the drive in it and see what
> >> happens.  As Msquared state, changing the orientation of the drive
> >> worked for him.  Maybe having the drive on it's side will work long
> >> enough to get the data off.
> >
> >Actually, that's not what I meant.  I meant that I had to manhandle the
> >drive at power-on to get it to spin up.
> >
> That is called stiction, where the parked head and the disk platter have worn 
> so smooth that they stick together like the machinists "joe's blocks".  If 
> you can get it started, it will likely be fine till the next powerdown, but 
> every powerdown makes it worse, until you have to use a rubber hammer to 
> strike one front corner of the drive sideways to break it loose.  Eventually 
> it won't break loose.  And may pull the head out of its suspension on the end 
> of the arm if hammered on too hard.  Either way the drive is toast, pour a 
> glass and salute it for its long and un-troubled life till now.
> 
> I would plan on replacing it before too many more powerdowns.
> 
> >However, you are right: a different orientation may make a difference
> >(I did once come across a drive that only worked on its side).

Ah, if you have a drive that goes "knock knock knock knock" when powered
up, what the heck is that? I'd like one last chance to get the stuff off
of it, Ric

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