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Date:      Wed, 24 Sep 1997 16:43:35 -0500
From:      Jonathan Lemon <jlemon@americantv.com>
To:        Brandon Gillespie <brandon@roguetrader.com>
Cc:        Wilko Bulte <wilko@yedi.iaf.nl>, tlambert@primenet.com, freebsd-fs@FreeBSD.ORG
Subject:   Re: Known problems with async ufs?
Message-ID:  <19970924164335.39206@right.PCS>
In-Reply-To: <Pine.BSF.3.96.970924135516.6508A-100000@roguetrader.com>; from Brandon Gillespie on Sep 09, 1997 at 01:56:11PM -0600
References:  <199709241734.TAA00972@yedi.iaf.nl> <Pine.BSF.3.96.970924135516.6508A-100000@roguetrader.com>

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On Sep 09, 1997 at 01:56:11PM -0600, Brandon Gillespie wrote:
> Ok... what (if any) plans are there to make async at least as ''stable''
> as ext2fs?  I'm under the impression that ext2fs does something so it can
> recover from "bad things" better..

Ah, but async FFS _is_ just as stable as async ext2fs.  Actually, that's
not quite true; I believe that async FFS still takes some more precautions
than async ext2fs, so it may be slower.

And no, ext2fs doesn't do anything that I know of that allows it to
recover "better" than FFS.

As far as performance, there is work underway to make sync FFS just
as fast as async, without sacrificing crash-recovery reliability.
--
Jonathan



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