From owner-freebsd-questions@FreeBSD.ORG Mon Dec 1 11:05:43 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 13BA516A4CF for ; Mon, 1 Dec 2003 11:05:43 -0800 (PST) Received: from dot.freshdot.net (dot.freshdot.net [195.64.80.165]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9D4DE43FCB for ; Mon, 1 Dec 2003 11:05:02 -0800 (PST) (envelope-from ssm+fbsd-questions@freshdot.net) Received: from ssmeenk by dot.freshdot.net with local (Exim 4.24) id 1AQtLx-0005oH-6A; Mon, 01 Dec 2003 20:05:01 +0100 Date: Mon, 1 Dec 2003 20:05:01 +0100 From: Sander Smeenk To: "Chad Leigh -- Shire.Net LLC" Message-ID: <20031201190501.GA17737@freshdot.net> References: <20031127124435.GA24772@freshdot.net> <7F4B0982-23CD-11D8-8529-003065A70D30@shire.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7F4B0982-23CD-11D8-8529-003065A70D30@shire.net> User-Agent: Mutt/1.5.4i cc: freebsd-questions@freebsd.org Subject: Re: Vinum & U320 SCSI, slower than UDMA100 IDE ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Dec 2003 19:05:43 -0000 Quoting Chad Leigh -- Shire.Net LLC (chad@shire.net): > >I would understand if the RAID10 array was as fast as IDE, or faster, > >but i'm a bit amazed by these results. The RAID10 array was built on 4x > >36.7gb Ultra320 SCSI disks, connected to an Adaptec 39320D Ultra320 > >SCSI adapter, which is a PCI-X card, configured in a PCI-X slot. > Try creating the same vinum set using 4 ATA100 disks and see what > happens when compared to your UeberSCSI vinum set... Thing is, I don't have 4 of the same sized disks available to try this out. And the overall results people post on the web is that vinum RAID is way faster than normal disks, so I am very curious as to what I might have done wrong... Thanks, Sander. -- | Why do they call it "chilli" if it's hot? | 1024D/08CEC94D - 34B3 3314 B146 E13C 70C8 9BDB D463 7E41 08CE C94D