From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jurriaan Subject: Re: dd version I used is 5.2.1, but... Date: Wed, 2 Mar 2005 08:45:33 +0100 Message-ID: <20050302074533.GA5347@middle.of.nowhere> References: <4224C871.2000802@variant.ch> Reply-To: Jurriaan Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4224C871.2000802@variant.ch> Sender: linux-raid-owner@vger.kernel.org To: Nicola Fankhauser Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids From: Nicola Fankhauser Date: Tue, Mar 01, 2005 at 08:54:25PM +0100 > hi > > the version of dd I used is 5.2.1 (debian testing), but does anybody > have an idea regarding my performance question? > - please group messages in the same thread, thank you. - if there is no answer within a day, wait some more - not everybody is constantly reading this list, you know. - wrt your question: how are those raid-controllers on your motherboard? If they are all connected through a single pci-bus, the speed is reasonable. The best way to test if it's your motherboard or your raid, is to start multiple dd processes on different disks, or multiple bonnie++ processes on different disks, all concurrently, of course. Good luck, Jurriaan -- Never forget: 2 + 2 = 5 for extremely large values of 2. Debian (Unstable) GNU/Linux 2.6.11-rc3-mm1 2x4734 bogomips load 0.71