From owner-freebsd-current@FreeBSD.ORG Mon Oct 25 20:12:42 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A87BB16A4CE for ; Mon, 25 Oct 2004 20:12:42 +0000 (GMT) Received: from smtp811.mail.ukl.yahoo.com (smtp811.mail.ukl.yahoo.com [217.12.12.201]) by mx1.FreeBSD.org (Postfix) with SMTP id E7FE043D1D for ; Mon, 25 Oct 2004 20:12:41 +0000 (GMT) (envelope-from Thomas.Sparrevohn@btinternet.com) Received: from unknown (HELO w2fzz0vc01.aah-go-on.com) (thomas.sparrevohn@hg1.btinternet.com@81.157.228.151 with plain) by smtp811.mail.ukl.yahoo.com with SMTP; 25 Oct 2004 20:12:41 -0000 From: Thomas Sparrevohn To: freebsd-current@freebsd.org Date: Mon, 25 Oct 2004 21:12:27 +0100 User-Agent: KMail/1.7 References: <14479.1098695558@critter.freebsd.dk> <77F3FD4D-26BE-11D9-9A2F-003065ABFD92@mac.com> <417D58B6.5030509@freebsd.org> In-Reply-To: <417D58B6.5030509@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200410252112.27436.Thomas.Sparrevohn@btinternet.com> Subject: Re: FreeBSD 5.3b7and poor ata performance (or so it seemed) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Thomas.Sparrevohn@btinternet.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Oct 2004 20:12:42 -0000 On Monday 25 October 2004 20:49, Scott Long wrote: In this case the subject are very pooly reflects what the actual issues it should most likely have read "help: I am having very poor performance in the ATA subsystem (any nobody else seems to)" I am still pussled about why excatly the performance is a it is with this setup - but like eveybody else where english is not our native tongue it some time comes across a bit hasher than it should - The problem seen by Fandino are weird - any I am sure that FreeBSD not judged by it > > Well, RAID-0 is a special case =-) That said, putting discrete RAID > classes into the GEOM layer is something of a new adventure, so I'm > not surprised to hear about performance problems, even in RAID-0. > There might be extra data copies or path latencies that weren't planned > for or expected. It's definitely something to look at. But it's also > a very new subsystem, so it would be unfair to judge FreeBSD performance > with it. > > Scott > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"