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From: Stephen Clark <Stephen.Clark@seclark.us>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Alberto Gonzalez <info@gnebu.es>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Laptop's HDD
Date: Sat, 10 Nov 2007 15:25:09 -0500	[thread overview]
Message-ID: <473613A5.6000004@seclark.us> (raw)
In-Reply-To: <Pine.LNX.4.64N.0711091416570.914@blysk.ds.pg.gda.pl>

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
>-
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>Please read the FAQ at  http://www.tux.org/lkml/
>
>  
>
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)




  parent reply	other threads:[~2007-11-10 20:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-03 23:02 Alberto Gonzalez
2007-11-05 11:10 ` Pádraig Brady
2007-11-09 14:21 ` Maciej W. Rozycki
2007-11-10  3:28   ` Jeff Garzik
2007-11-10 20:25   ` Stephen Clark [this message]
2007-11-12 17:09   ` Mark Lord

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