linux-kernel - Re: Laptop's HDD

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Message-ID: <Pine.LNX.4.64N.0711091416570.914@blysk.ds.pg.gda.pl>
Date:	Fri, 9 Nov 2007 14:21:26 +0000 (GMT)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Alberto Gonzalez <info@...bu.es>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Laptop's HDD

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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