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Message-ID: <42960ACB.7090801@cs.tu-berlin.de>
Date: Thu, 26 May 2005 19:43:39 +0200
From: Bjoern Koenig <bkoenig@cs.tu-berlin.de>
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To: Eric Anderson <anderson@centtech.com>
References: <4295D51F.50106@centtech.com> <429606D9.6080602@cs.tu-berlin.de>
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Cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: Disable read/write caching to disk?
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Bjoern Koenig wrote:
> Eric Anderson wrote:
> 
>> Is it possible to disable all read and write caching to a disk?
> 
> You can disable write the cache by adding the line
> 
>   hw.ata.wc="0"

I assumed that you use ATA. If you use SCSI devices then read at least 
the manpages da(4) and camcontrol(8).

Björn