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Message-ID: <473613A5.6000004@seclark.us>
Date:	Sat, 10 Nov 2007 15:25:09 -0500
From:	Stephen Clark <Stephen.Clark@...lark.us>
To:	"Maciej W. Rozycki" <macro@...ux-mips.org>
CC:	Alberto Gonzalez <info@...bu.es>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Laptop's HDD

Maciej W. Rozycki wrote:

>On Sun, 4 Nov 2007, Alberto Gonzalez wrote:
>
>  
>
>>The problem comes from a very high rate of load/unload cycles of the heads 
>>that reaches the 300.000-600.000 limit in 2-3 years (with smartmontools it 
>>can checked it with "smartctl -A /dev/sda")  . There are reports of HDD dying 
>>even earlier for this problem [2]
>>    
>>
>
> I use:
>
># hdparm -B 255 /dev/hda
>
>to get rid of the problem with an ATA disk where I do not care that much 
>about power consumption.  I do not know what the equivalent for a SATA 
>disk would be, but chances are it will be easier to track it down with the 
>reference above.
>
>  Maciej
>-
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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>
>  
>
My laptop harddrive is only a little over a year old and it has a cycle 
count of 193 Load_Cycle_Count        0x0012   021   021   000    
Old_age   Always       -       795931

it was going up a few counts everytime I ran the smartctl -A command. It 
quit incrementing after
I did the hdparm -B 255 command.

-- 

"They that give up essential liberty to obtain temporary safety, 
deserve neither liberty nor safety."  (Ben Franklin)

"The course of history shows that as a government grows, liberty 
decreases."  (Thomas Jefferson)



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