From owner-freebsd-current Sat Apr 8 03:53:40 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id DAA09870 for current-outgoing; Sat, 8 Apr 1995 03:53:40 -0700 Received: from ibp.ibp.fr (ibp.ibp.fr [132.227.60.30]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id DAA09858 for ; Sat, 8 Apr 1995 03:53:36 -0700 Received: from blaise.ibp.fr (blaise.ibp.fr [132.227.60.1]) by ibp.ibp.fr (8.6.12/jtpda-5.0) with ESMTP id MAA15848 ; Sat, 8 Apr 1995 12:53:56 +0200 Received: from (uucp@localhost) by blaise.ibp.fr (8.6.12/jtpda-5.0) with UUCP id MAA20746 ; Sat, 8 Apr 1995 12:53:20 +0200 Received: (from roberto@localhost) by keltia.frmug.fr.net (8.6.11/keltia-uucp-1.21) id XAA04506; Fri, 7 Apr 1995 23:49:15 +0200 From: Ollivier Robert Message-Id: <199504072149.XAA04506@keltia.frmug.fr.net> Subject: Re: Label/slices : how to add a disk ? To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) Date: Fri, 7 Apr 1995 23:49:14 +0200 (MET DST) Cc: freebsd-current@FreeBSD.org (FreeBSD Current Users' list) Reply-To: roberto@keltia.freenix.fr (Ollivier Robert) In-Reply-To: <199504070923.CAA07043@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Apr 7, 95 02:23:09 am X-Operating-System: FreeBSD 2.1.0-Development ctm#514 X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Content-Length: 2343 Sender: current-owner@FreeBSD.org Precedence: bulk It seems that Rodney W. Grimes said: > How much memory is in this machine??? As a note to folks it really 20 MB. 2.1-not-so-current. FreeBSD keltia 2.1.0-Development FreeBSD 2.1.0-Development #13: Sun Apr 2 21:38:04 MET DST 1995 roberto@keltia:/spare/usr/src/sys/compile/KELTIA i386 > This is on a 16MB machine, P54C-90, NCR810 controller iozone 2.01: The > buffer cache become ineffective at 8MB transfer size, but still skewed > the numbers some (~200K/sec). I'm sorry for your P90 machine. This is a 486DX-33. It uses a BT-747S EISA controller. The Conner 1080S gives me that with iozone 2.01 : 204 [18:15] root@keltia:/mnt# ~/Src/C/iozone_2.01/iozone 128 8192 IOZONE: Performance Test of Sequential File I/O -- V2.01 (10/21/94) By Bill Norcott Operating System: FreeBSD 2.1 - fsync Send comments to: b_norcott@xway.com IOZONE writes a 128 Megabyte sequential file consisting of 16384 records which are each 8192 bytes in length. It then reads the file. It prints the bytes-per-second rate at which the computer can read and write files. Writing the 128 Megabyte file, 'iozone.tmp'...30.125000 seconds Reading the file...30.554688 seconds IOZONE performance measurements: 4455360 bytes/second for writing the file 4392704 bytes/second for reading the file Even the 128 512 iozone result is amazing : 206 [18:22] root@keltia:/mnt# ~/Src/C/iozone_2.01/iozone 128 512 IOZONE: Performance Test of Sequential File I/O -- V2.01 (10/21/94) By Bill Norcott Operating System: FreeBSD 2.1 - fsync Send comments to: b_norcott@xway.com IOZONE writes a 128 Megabyte sequential file consisting of 262144 records which are each 512 bytes in length. It then reads the file. It prints the bytes-per-second rate at which the computer can read and write files. Writing the 128 Megabyte file, 'iozone.tmp'...86.078125 seconds Reading the file...48.976562 seconds IOZONE performance measurements: 1559254 bytes/second for writing the file 2740448 bytes/second for reading the file -- Ollivier ROBERT -=- The daemon is FREE! -=- roberto@keltia.frmug.fr.net FreeBSD keltia 2.1.0-Development #13: Sun Apr 2 21:38:04 MET DST 1995