Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 27 Feb 2002 12:49:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 27 Feb 2002 12:49:00 -0500 Received: from h24-67-15-4.cg.shawcable.net ([24.67.15.4]:27127 "EHLO lynx.adilger.int") by vger.kernel.org with ESMTP id ; Wed, 27 Feb 2002 12:48:45 -0500 Date: Wed, 27 Feb 2002 10:48:25 -0700 From: Andreas Dilger To: "Jeff V. Merkey" Cc: linux-kernel@vger.kernel.org, Daniel Phillips Subject: Re: 3Ware Hard Bus Hang 2.4.18 > 220 MB/S Message-ID: <20020227104825.P12832@lynx.adilger.int> Mail-Followup-To: "Jeff V. Merkey" , linux-kernel@vger.kernel.org, Daniel Phillips In-Reply-To: <20020227102545.B31524@vger.timpanogas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020227102545.B31524@vger.timpanogas.org>; from jmerkey@vger.timpanogas.org on Wed, Feb 27, 2002 at 10:25:45AM -0700 X-GPG-Key: 1024D/0D35BED6 X-GPG-Fingerprint: 7A37 5D79 BF1B CECA D44F 8A29 A488 39F5 0D35 BED6 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Feb 27, 2002 10:25 -0700, Jeff V. Merkey wrote: > Running 4 3Ware 7810 Adapters with the updated 48 bit LBA firmware > for the 78110, and attached to 8 Maxtor 160 GB hard disks on each card > (32 drives total) striping Raid 0m across 5.6 terabytes of disk, I am > seeing about 216-224 MB/S total throughput on writes to local > arrays on 2.4.18. Have you done any kind of variations on this configuration to see when or where the maximum throughput happens? Daniel and I were speculating about where the 3ware limits are. Specs say 100MB/s per adapter (for both 6000 and 7000 series), you would probably hit max bandwidth with 2 adapters. The drives themselves are not a limiting factor, unless you are down to striping across only 2 drives instead of all 8. I take it you are using the hardware RAID instead of software MD RAID? > The system is also running an Intel Gigabit Ethernet Card at > 116-122 MB/S with full network traffic and writing this traffic to > the 3Ware arrays. All this hardware is running on a Serverworks > HE chipset with a SuperMicro motherboard and dual 933 Mhz PIII > processors. Does this board have multiple PCI busses? Is the GigE card on a different bus than the 3ware cards? Cheers, Andreas -- Andreas Dilger http://sourceforge.net/projects/ext2resize/ http://www-mddsp.enel.ucalgary.ca/People/adilger/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/