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Date:      Thu, 20 Jan 2005 16:54:06 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        "Jim C. Nasby" <decibel@decibel.org>, freebsd-stable@freebsd.org
Subject:   Re: Disabling write-behind on IDE drives, and SMART
Message-ID:  <6.2.0.14.0.20050120165105.10d565d8@64.7.153.2>
In-Reply-To: <20050120213906.GC67721@decibel.org>
References:  <20050120213906.GC67721@decibel.org>

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At 04:39 PM 20/01/2005, Jim C. Nasby wrote:
>Question one: how do I disable write caching on IDE drives? I know the
>setting is hw.ata.wc=0, but where do I put that? In loader.conf? This is
>FreeBSD 4.10, btw.

Yes, you can put it in there.

>Also, has any thought been given to making the default 0, like it is for
>SCSI devices? I'm honestly surprised and disappointed that the default
>is speed over data integrity.

It has been discussed quite a bit before and for a number of reasons, the 
default on was chosen.  (google if you want to see the various reasons)



>Question two: is there any support for SMART in FreeBSD?

RELENG_5 with /usr/ports/sysutils/smartmontools/ works really well.  But 
you need to move to RELENG_5.


         ---Mike 



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