From owner-freebsd-questions@FreeBSD.ORG Thu Jan 15 15:00:55 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 66E3A16A4CE for ; Thu, 15 Jan 2004 15:00:55 -0800 (PST) Received: from ozlabs.org (ozlabs.org [203.10.76.45]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0E45F43D41 for ; Thu, 15 Jan 2004 15:00:54 -0800 (PST) (envelope-from grog@lemis.com) Received: from blackwater.lemis.com (blackwater.lemis.com [192.109.197.80]) by ozlabs.org (Postfix) with ESMTP id BC1BE2BD76 for ; Fri, 16 Jan 2004 10:00:51 +1100 (EST) Received: by blackwater.lemis.com (Postfix, from userid 1004) id A070451200; Fri, 16 Jan 2004 09:30:48 +1030 (CST) Date: Fri, 16 Jan 2004 09:30:48 +1030 From: Greg 'groggy' Lehey To: Bjorn Eikeland Message-ID: <20040115230048.GG64370@wantadilla.lemis.com> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="GdbWtwDHkcXqP16f" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 cc: freebsd-questions@freebsd.org Subject: Re: 3-4MB/s vinum performance with two Promise PDC20268 UDMA100 controllers X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jan 2004 23:00:55 -0000 --GdbWtwDHkcXqP16f Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thursday, 15 January 2004 at 10:44:20 +0100, Bjorn Eikeland wrote: > Hi > > I had four 160G IDE drives in raid5 on a single controller and it worked > just fine, never benchmarked it since it was faster than the network > anyway. But when adding a second controller card and two more drives the > new array has a terrible write performance. >=20 > ... > > Any thoughts anyone? How about some information about your configuration and how you measured the performance? Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers. --GdbWtwDHkcXqP16f Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFABxugIubykFB6QiMRAunNAJ0QFjIO1qkqVJutnyvsav/Nh0njwwCfTFJD gJIaPXk6oQLyfUyVIS/40y4= =stCB -----END PGP SIGNATURE----- --GdbWtwDHkcXqP16f--