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Why mechanical failure causes HDD being undetectable by bios or OS ?



 
 
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  #31  
Old September 6th 04, 06:44 AM
Ron Reaugh
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"andy" wrote in message
...
On Sun, 05 Sep 2004 18:42:05 GMT, Grinder

wrote:

andy wrote:
On Sun, 05 Sep 2004 02:51:07 GMT, "Ron Reaugh"

wrote:



WRONG, they're covered with soot and unusable.


How can you be sure?


The platters are moving quite fast -- thousands of RPMs. When the heads
crash they will generate generate debris above those rapidly moving
platters. Where else would those particles come to rest?


But that still may not disable access to most of the data in a short

period of
time. According to Ontrack opening a disk in ordinary conditions (which I
assume is even worse than those particles from head crash) usually

shortens
life of a disk from 100 to 1000 times - it doesn't kill all data on disk
instantly.


That's misleading. The mean time to TOTAL failure once the lid has been
lifted is down in the hours range and can be MUCH less.


  #32  
Old September 6th 04, 01:12 PM
Folkert Rienstra
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"Ron Reaugh" wrote in message ...

"andy" wrote in message
...
On Sun, 05 Sep 2004 18:42:05 GMT, Grinder

wrote:

andy wrote:
On Sun, 05 Sep 2004 02:51:07 GMT, "Ron Reaugh"

wrote:



WRONG, they're covered with soot and unusable.


How can you be sure?

The platters are moving quite fast -- thousands of RPMs. When the heads
crash they will generate generate debris above those rapidly moving
platters. Where else would those particles come to rest?


But that still may not disable access to most of the data in a short

period of
time. According to Ontrack opening a disk in ordinary conditions (which I
assume is even worse than those particles from head crash) usually

shortens
life of a disk from 100 to 1000 times - it doesn't kill all data on disk
instantly.


That's misleading. The mean time to TOTAL failure once the lid has been
lifted is down in the hours range and can be MUCH less.


Clueless. Can't even setup his newsreader properly either.



  #33  
Old September 8th 04, 09:01 PM
Ron Reaugh
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Posts: n/a
Default


"Folkert Rienstra" wrote in message
...

time. According to Ontrack opening a disk in ordinary conditions

(which I
assume is even worse than those particles from head crash) usually

shortens
life of a disk from 100 to 1000 times - it doesn't kill all data on

disk
instantly.


That's misleading. The mean time to TOTAL failure once the lid has been
lifted is down in the hours range and can be MUCH less.


Clueless. Can't even setup his newsreader properly either.


Go ahead wacko...pull the cover from a =60GB HD mfg in the last 2 years and
let it sit there and run with the lid off in the average home
environment...tell us all how long it lives. While it's goin watch it
carefully...you might learn something..wear glasses.


 




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