Date: Wed, 28 Nov 2001 01:34:47 -0600 From: Alfred Perlstein <bright@mu.org> To: =?iso-8859-1?Q?Robert_Blacqui=E8re?= <freebsd@guldan.demon.nl> Cc: Daniel O'Connor <doconnor@gsoft.com.au>, freebsd-mobile@FreeBSD.ORG Subject: Re: Extreme filesystem sloth Message-ID: <20011128013447.A46769@elvis.mu.org> In-Reply-To: <20011128074318.G11813@thorin.guldan.demon.nl>; from freebsd@guldan.demon.nl on Wed, Nov 28, 2001 at 07:43:18AM %2B0100 References: <m1lmgrzfzo.fsf@reader.newsguy.com> <XFMail.20011128165908.doconnor@gsoft.com.au> <20011128074318.G11813@thorin.guldan.demon.nl>
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* Robert Blacquière <freebsd@guldan.demon.nl> [011128 00:43] wrote:
>
> As far as i know linux ext2fs is an async filesystem which is faster but
> lacks any security over an power failure or other system crashes.
> FreeBSD uses default no fs speedups, you can turn softupdates on an
> mount the file systems async. This will speedup any disc access with a
> multiple or so. But in case of an error/crash more difficult and loss of
> data could be result of this.
Don't lump softupdates and async mounts in the same "dangerous" category,
softupdates isn't dangerous, it provides nearly fully async speed at
the reliability level of a noasync (sync meta-data, async data) mount.
--
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'
http://www.morons.org/rants/gpl-harmful.php3
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