From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Scobie Subject: Re: Speed variation depending on disk position Date: Mon, 07 May 2007 07:39:28 +1200 Message-ID: <463E2EF0.6010408@sauce.co.nz> References: <20070505205456.GA17112@tuatara.stupidest.org> <463CF908.6000602@rabbit.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <463CF908.6000602@rabbit.us> Sender: linux-raid-owner@vger.kernel.org To: Linux RAID Mailing List List-Id: linux-raid.ids Peter Rabbitson wrote: > design of modern drives? I have an array of 4 Maxtor sata drives, and > raw read performance at the end of the disk is 38mb/s compared to 62mb/s > at the beginning. At least one supplier of terabyte arrays mitigates this effect and improves seek times, by using 750GB drives and only utilising the first 500GB. Regards, Richard