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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
>-
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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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