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Date: Wed, 7 Nov 2007 04:56:49 -0800 (PST)
From: Arne "Wörner" <arne_woerner@yahoo.com>
To: Ivan Voras <ivoras@freebsd.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: geom_raid5 inclusion in HEAD?
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--- Ivan Voras <ivoras@freebsd.org> wrote:
> On 07/11/2007, Arne Wörner <arne_woerner@yahoo.com> wrote:
> 
> > graid5 puts write requests for about kern.geom.raid5.wdt seconds (but not
> less
> > than 1-2 seconds) into the write cache (if there is enough space left in
> > graid5's write cache)... I would guess that this behaviour is pretty
> > incompatible with soft-updates with power outage...
> 
> Can this cache be disabled?
>
Nope...
But it would be quite easy to implement that (e. g. .wdt=-1 with no range
checking -- currently graid5 sets everything below 2 back to 2 [seconds])...

-Arne

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