From owner-freebsd-scsi Tue Jul 25 12:12:52 2000 Delivered-To: freebsd-scsi@freebsd.org Received: from thelab.hub.org (nat193.142.mpoweredpc.net [142.177.193.142]) by hub.freebsd.org (Postfix) with ESMTP id E862E37B896 for ; Tue, 25 Jul 2000 12:12:49 -0700 (PDT) (envelope-from scrappy@hub.org) Received: from localhost (scrappy@localhost) by thelab.hub.org (8.9.3/8.9.3) with ESMTP id QAA50146 for ; Tue, 25 Jul 2000 16:10:43 -0300 (ADT) (envelope-from scrappy@hub.org) X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs Date: Tue, 25 Jul 2000 16:10:43 -0300 (ADT) From: The Hermit Hacker To: freebsd-scsi@freebsd.org Subject: 4.1RC read/write speeds ... Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Does this look right for a Dual-PIII, no load other then the operating system, idle disk *only* being used for the tests ... just seems low to me: Writing the 232 Megabyte file, 'iozone.tmp'...14.273438 seconds Reading the file...3.328125 seconds IOZONE performance measurements: 17043521 bytes/second for writing the file 73095100 bytes/second for reading the file ============== full configuration fo that machine can be seen at http://atelier.acadiau.ca, but the basics are: ========= ahc0: port 0xa800-0xa8ff mem 0xe0000000-0xe0000fff irq 10 at device 11.0 on pci0 ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs =========== da1 at ahc0 bus 0 target 1 lun 0 da1: Fixed Direct Access SCSI-2 device da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da1: 8727MB (17873040 512 byte sectors: 255H 63S/T 1112C) Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message