From owner-freebsd-hardware Thu Aug 23 4:50:54 2001 Delivered-To: freebsd-hardware@freebsd.org Received: from paperboy.sixforty.co.uk (paperboy.sixforty.co.uk [195.10.242.11]) by hub.freebsd.org (Postfix) with ESMTP id 6E94337B401 for ; Thu, 23 Aug 2001 04:50:49 -0700 (PDT) (envelope-from freebsd-hw@sixforty.co.uk) Received: (from root@localhost) by paperboy.sixforty.co.uk (8.11.1/8.11.1) id f7NBom943839 for freebsd-hardware@freebsd.org; Thu, 23 Aug 2001 12:50:48 +0100 (BST) (envelope-from freebsd-hw@sixforty.co.uk) Delivered-To: Received: from lfarr (daisy.int.epcdirect.co.uk [192.168.6.200]) by paperboy.sixforty.co.uk (8.11.1/8.11.1av) with ESMTP id f7NBoj643830 for ; Thu, 23 Aug 2001 12:50:46 +0100 (BST) (envelope-from freebsd-hw@sixforty.co.uk) From: "Lawrence Farr" To: Subject: RE: 3ware stuff not ready for heavy duty useage-followup Date: Thu, 23 Aug 2001 12:50:53 +0100 Message-ID: <004401c12bc9$dd262510$c80aa8c0@lfarr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 In-Reply-To: <200108231110.f7NBANV22497@borja.sarenet.es> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2462.0000 Importance: Normal X-Virus-Scanned: by AMaViS perl-10 Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Yep, Im aware of that. Just trying to squeeze the most out of it, And I am open to suggestions on tuning. It's still as fast as my external HW raid's..... >-----Original Message----- >From: Borja Marcos [mailto:borjamar@sarenet.es] >Sent: 23 August 2001 12:10 >To: Lawrence Farr >Cc: freebsd-hardware@freebsd.org >Subject: Re: 3ware stuff not ready for heavy duty useage-followup > > >On Thursday 23 August 2001 13:05, you wrote: > >> Anyone got any ideas for tuning this? Or is that it performance wise? >> How about splitting the drives to 4 stripe sets, and Raid 5 >across them >> with vinum? > > Raid5 is fast reading (same as a stripping) but writes >are not so fast, as >the system needs to calculate and write parity data. > > > > > Borja. > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message