From mboxrd@z Thu Jan 1 00:00:00 1970 From: KELEMEN Peter Subject: Re: Slow reconstruction Date: Wed, 29 Jun 2005 19:49:43 +0200 Message-ID: <20050629174943.GA6431@inara.maison.net> References: <1120061430.21458.236.camel@volt> <42C2CEF0.7030108@h3c.com> <1120066268.21458.252.camel@volt> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1120066268.21458.252.camel@volt> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids * John Rowe (rowe@excc.ex.ac.uk) [20050629 18:31]: > Timing buffered disk reads: 64 MB in 3.13 seconds =3D 20.45 MB/sec > Timing buffered disk reads: 64 MB in 3.85 seconds =3D 16.62 MB/sec > Timing buffered disk reads: 64 MB in 4.31 seconds =3D 14.85 MB/sec > Timing buffered disk reads: 64 MB in 4.79 seconds =3D 13.36 MB/sec > Timing buffered disk reads: 64 MB in 2.73 seconds =3D 23.44 MB/sec > Timing buffered disk reads: 64 MB in 2.72 seconds =3D 23.53 MB/sec These are very low values. A modern 250G drive should exceed 50MB/sec. What kind of IDE controller do you use? Peter --=20 .+'''+. .+'''+. .+'''+. .+'''+. .+'= ' Kelemen P=C3=A9ter / \ / \ Peter.Kelemen@cer= n.ch =2E+' `+...+' `+...+' `+...+' `+...+' - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html