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The Thursday 2007-02-22 at 14:44 -0800, Randall R Schulz wrote:

> One thing I've noticed is that as drives get faster (especially head 
> positioning speed), mounting them properly seems to be more important. 
> If the drive can physically vibrate within its mounting, it appears 
> that ordinary head motion can lead to a head crash when the drive as a 
> whole begins to move in response to the head be repositioned. My hunch 
> is that sometimes head activity pattern creates a resonance with the 
> drive as a whole and the magnitude of the drive's motions (in its 
> ill-fitting mount) become sufficient to cause a head crash, or at least 
> to increase the probability of one significantly.

The vibration you mention is documented, but as causing worse access 
times. But I don't remember where I read it... could be at Seagate's site.

- -- 
Cheers,
       Carlos E. R.

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