Subject: Re: File system performance on i386
To: Jarom?r Dolecek <jdolecek@netbsd.org>
From: Christoph Hellwig <hch@ns.caldera.de>
List: tech-perform
Date: 02/23/2001 12:05:16
On Fri, Feb 23, 2001 at 10:56:52AM +0100, Jarom?r Dolecek wrote:
> This interests me. What you mean when you say you lose more data
> on NetBSD? Can you be more concrete on what lossage is exactly not
> noticed by NetBSD fsck ?

Ususally it's file data.  But I don't have a non-softupdates fs now,
so it will take some time for a testcase...

> > > If you really really think async metadata is the way to go, you can
> > > mount async if you prefer to. IIRC there is no option to write
> > > only metadata sync on ext2fs under Linux though.
> > 
> > mount -o sync
> 
> That makes both metadata and data written synchronously on Linux.
> That is not what I wanted :)

Oh, ok - that's what some people use.  IIRC there was some support
for such stuff in older versions, but due to the lack of usage it was
removed.

	Christoph

-- 
Of course it doesn't work. We've performed a software upgrade.