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Date:      Tue, 11 Jul 2000 21:06:31 -0700 (PDT)
From:      Tom <tom@uniserve.com>
To:        Richard Stanaford <rsstan@yahoo.com>
Cc:        Paul Coyne <pac@geodesic.com>, freebsd-stable@freebsd.org
Subject:   Re: Cached versus non cached disk I/O
Message-ID:  <Pine.BSF.4.05.10007112104540.21996-100000@shell.uniserve.ca>
In-Reply-To: <20000712025107.15159.qmail@web3106.mail.yahoo.com>

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On Tue, 11 Jul 2000, Richard Stanaford wrote:

> --- Tom <tom@uniserve.com> wrote:
> > On Tue, 11 Jul 2000, Paul Coyne wrote:
> 
> >   The filesystem can be put into async (or softupdates) mode so that
> > local metadata update functions return before the metadata is actualy
> > written to disk.
> 
> Doesn't 'asyncing' the filesystem make it more fragile?  Or did I read the
> Handbook/Making the World section wrong?

  Yes it does, but I made no statement saying it was fragile or not.  It
should be obvious that write-buffering metadata can cause problems, even
with softupdates, though softupdates is clearly better than async.

> -Richard


Tom
Uniserve



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