Re: WDC WD15EARS-00Z5B1: harddrive which does crazy unloading

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Hello,

On 03/09/2010 11:40 PM, Mark Lord wrote:
> The default on these drives is to unload heads
> after a mere eight (8) seconds of inactivity.
> 
> Ugh.

Heh, yeah, that's pretty low.  I hope they eventually learn to adjust
that dynamically considering running avg of intervals between writes.
It shouldn't be too hard.

> The wdidle3-1.03 DOS tool can fix that.  Google it.
> 
> I have disassembled that tool here, and found a few
> vendor-unique commands inside it.  But thus far have
> not managed to get them working natively in Linux.
> 
> I really need a SATA tracer/analyser..

Hmmm... so they don't respond to ATA APM command?

Thanks.

-- 
tejun
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