From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l4DKPiQp025430 for ; Sun, 13 May 2007 16:25:44 -0400 Received: from outmx036.isp.belgacom.be (outmx036.isp.belgacom.be [195.238.6.173]) by mx1.redhat.com (8.13.1/8.13.1) with ESMTP id l4DKPfJf023090 for ; Sun, 13 May 2007 16:25:42 -0400 Received: from outmx036.isp.belgacom.be (localhost.localdomain [127.0.0.1]) by outmx036.isp.belgacom.be (8.13.4/8.13.4/Debian-3sarge3) with ESMTP id l4DKPaSY032141 for ; Sun, 13 May 2007 22:25:36 +0200 Received: from idefix (148.156-243-81.adsl-dyn.isp.belgacom.be [81.243.156.148]) by outmx036.isp.belgacom.be (8.13.4/8.13.4/Skynet-OUT-2.22) with ESMTP id l4DKPZ1p032137 for ; Sun, 13 May 2007 22:25:35 +0200 (envelope-from ) From: "Bertrand Renuart" References: <001e01c794de$7a54b210$6600a8c0@idefix> Subject: RE: [linux-lvm] LVM on SATA/PATA disks Date: Sun, 13 May 2007 22:25:34 +0200 Message-ID: <00a601c7959c$dc6594b0$6600a8c0@idefix> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit In-Reply-To: Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: 'LVM general discussion and development' > However, even the $50 adapters are way faster than what you could get > 10 years ago. I would start with a higher end $50+ adapter (you want > it reliable). If you get a lot of "system" CPU time during heavy disk > IO, then the $300 adapter will relieve that. For example, a super cheap > ATA adapter was giving us 25% system CPU on backups on a 1.8Ghz Celeron. > Replacing that with a more expensive (but < $100) IDE adapter reduced > system time to 1% or so. > What adapter would you recommend for a descent setup?