linux-kernel - Re: WD doesn`t use disks with Linux - was Re: Re:Western Digital GreenPower drives and Linux

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Date:	Fri, 16 May 2008 12:21:15 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Pádraig Brady <P@...igBrady.com>
cc:	Roland <devzero@....de>, tvrtko@...ulin.net, pernegger@...il.com,
	snitzer@...il.com, zorglub_olsen@...mail.com,
	renatoyamane@...dic.com.br, linux-kernel@...r.kernel.org
Subject: Re: WD doesn`t use disks with Linux - was Re: Re:Western Digital
 GreenPower drives and Linux


On Friday 2008-05-16 11:35, Pádraig Brady wrote:
>I wrote a few notes about load cycles here:
>http://www.pixelbeat.org/docs/hard_disk_reliability/
>
>It's bad that the WD GreenPower doesn't support
>`hdparm -B` setting its parameters, but I found I
>didn't need to tweak these anyway.
>
>I just got the distro to write less often to the drive
>with the (rel)atime mount options. With that I got an
>acceptable load cycle rate.

The problem is not how often Linux wakes the head up due to
writes of any sort, but how often the head decides to go
down without our consent.
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