From owner-freebsd-stable Tue Apr 30 11:16:16 2002 Delivered-To: freebsd-stable@freebsd.org Received: from nelly.internal.irrelevant.org (irrelevant.demon.co.uk [158.152.220.121]) by hub.freebsd.org (Postfix) with ESMTP id D325737B419 for ; Tue, 30 Apr 2002 11:16:12 -0700 (PDT) Received: from simond by nelly.internal.irrelevant.org with local (Exim 3.35 #1) id 172cAG-00047n-00; Tue, 30 Apr 2002 19:15:48 +0100 Date: Tue, 30 Apr 2002 19:15:48 +0100 From: Simon Dick To: Eugene Grosbein Cc: stable@freebsd.org Subject: Re: msdosfs serious performance problem with recent 4.5-STABLE Message-ID: <20020430181548.GA15756@irrelevant.org> References: <20020501001235.A792@grosbein.pp.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020501001235.A792@grosbein.pp.ru> User-Agent: Mutt/1.3.28i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, May 01, 2002 at 12:12:35AM +0800, Eugene Grosbein wrote: > Hi! > > What's a reason of very slow writing to msdosfs (FAT32)? > I get no more than 350Kb/s with recent 4.5-STABLE. > Writing process spend much time in 'wdrain' state. > 5.0-DP1 gives me 2Mb/s and more on the same machine. > > If I try to copy from one msdosfs to another msdosfs > (both reside on the same drive) I get less than 160Kb/s. Try making sure you have your hard drives write cache turned on (hw.ata.wc = 1) -- Simon Dick simond@irrelevant.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message