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Date:      Wed, 20 Sep 2000 09:10:32 +0200 (CEST)
From:      Marius Bendiksen <mbendiks@eunet.no>
To:        Archie Cobbs <archie@whistle.com>
Cc:        fs@FreeBSD.ORG
Subject:   Re: disable write caching with softupdates?
Message-ID:  <Pine.BSF.4.05.10009200909020.30002-100000@login-1.eunet.no>
In-Reply-To: <200009200030.RAA08442@bubba.whistle.com>

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> Isn't it safer (in the face of a power failure) to disable write
> caching on a hard disk when softupdates is in use?

Not necessarily safer, I'd think, if you refer to consistency. But
certainly if you refer to the amount of data lost; but if that is a
concern, you might want to decrease the syncer interval.

> The ata driver currenly always enables write caching. Perhaps
> there should be a sysctl knob to turn it on/off?

*nod* This sounds like a good idea.

Marius



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