From owner-freebsd-stable  Thu Oct 18  8:57:47 2001
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Date: Thu, 18 Oct 2001 10:57:36 -0500
From: "David W. Chapman Jr." <dwcjr@inethouston.net>
To: Rasputin <rasputin@submonkey.net>
Cc: Doug Poland <doug@polands.org>, stable@freebsd.org
Subject: Re: dirpref gives massive performance boost
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References: <20010928141246.A15515@xor.obsecurity.org> <20011002212002.4034283f.steveo@eircom.net> <20011002214353.A653@student.uu.se> <20011018083713.A20403@polands.org> <20011018144850.A1943@shikima.mine.nu>
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On Thu, Oct 18, 2001 at 02:48:50PM +0100, Rasputin wrote:
> * Doug Poland <doug@polands.org> [011018 14:40]:
> > On Tue, Oct 02, 2001 at 09:43:53PM +0200, Erik Trulsson wrote:
> > > On Tue, Oct 02, 2001 at 09:20:02PM +0200, Steve O'Hara-Smith wrote:
> > > > On Fri, 28 Sep 2001 14:12:46 -0700
> > > > Kris Kennaway <kris@obsecurity.org> wrote:
> > > > 
> > > > KK> Hi all,
> > > > KK> 
> > > > KK> Just a note to those who have updated to 4.4-STABLE that it's well
> > > > KK> worth doing a backup + newfs + restore on all your UFS volumes.  The
> > > > 
> > > > 	CAVEAT: insert a tunefs -n enable between newfs and restore, without
> > > > it the performance improvement is rather less dramatic :)
> > > 
> > > You can happily skip the tunefs step if you just remember to supply the
> > > '-U' flag to newfs.
> > > 
> > > 
> > Must one supply any other arguments to newfs in order to enable dirpref?
> > A quick look at man newfs didn't make any mention of dirpref.
> 
> No, it's on by default in kernels that include the new code.
> 
Is there a way to check to see if a slice has difpref enabled?

-- 
David W. Chapman Jr.
dwcjr@inethouston.net	Raintree Network Services, Inc. <www.inethouston.net>
dwcjr@freebsd.org	FreeBSD Committer <www.FreeBSD.org>

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