From owner-freebsd-hardware Thu Aug 10 14:20:56 2000 Delivered-To: freebsd-hardware@freebsd.org Received: from vinyl.sentex.ca (vinyl.sentex.ca [209.112.4.14]) by hub.freebsd.org (Postfix) with ESMTP id 90C0D37B6BA; Thu, 10 Aug 2000 14:20:52 -0700 (PDT) (envelope-from mike@sentex.net) Received: from granite.sentex.net (granite-atm.sentex.ca [209.112.4.1]) by vinyl.sentex.ca (8.9.3/8.9.3) with ESMTP id RAA88520; Thu, 10 Aug 2000 17:20:50 -0400 (EDT) (envelope-from mike@sentex.net) Received: from simoeon.sentex.net (simeon.sentex.ca [209.112.4.47]) by granite.sentex.net (8.8.8/8.6.9) with ESMTP id RAA24957; Thu, 10 Aug 2000 17:20:50 -0400 (EDT) Message-Id: <4.3.2.7.0.20000810171454.04748db0@marble.sentex.ca> X-Sender: mdtpop@marble.sentex.ca X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Thu, 10 Aug 2000 17:16:38 -0400 To: Mike Smith From: Mike Tancsa Subject: Re: 3ware and RAID0 vs RAID 1 Cc: hardware@FreeBSD.ORG In-Reply-To: <200008102121.OAA01408@mass.osd.bsdi.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At 02:21 PM 8/10/00 -0700, Mike Smith wrote: >Newfs isn't a representative case with these cards, as newfs doesn't >align the data it writes and the driver has to copy the data around >(expensive). The array itself should still perform pretty well (read >speeds should be pretty good especially). Actually, on a 128M system, it died while doing a 500M bonnie write.. i.e. it just hung there. I will test some more tomorrow when back at the office and provide more info. Aug 10 16:16:46 smtp4 /kernel: twed0: <3ware RAID unit> on twe0 Aug 10 16:16:46 smtp4 /kernel: twed0: 14323MB (29334784 sectors) ---Mike ------------------------------------------------------------------------ Mike Tancsa, tel +1 519 651 3400 Sentex Communications mike@sentex.net Cambridge, Ontario Canada www.sentex.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message