From owner-freebsd-scsi Mon Sep 27 11:59:51 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from front6m.grolier.fr (front6m.grolier.fr [195.36.216.56]) by hub.freebsd.org (Postfix) with ESMTP id A94D11542C for ; Mon, 27 Sep 1999 11:59:43 -0700 (PDT) (envelope-from groudier@club-internet.fr) Received: from localhost (ppp-99-118.villette.club-internet.fr [194.158.99.118]) by front6m.grolier.fr (8.9.3/No_Relay+No_Spam_MGC990224) with SMTP id UAA28399; Mon, 27 Sep 1999 20:59:30 +0200 (MET DST) Date: Mon, 27 Sep 1999 21:20:23 +0200 (MET DST) From: Gerard Roudier X-Sender: groudier@localhost To: Kevin Street Cc: scsi@FreeBSD.ORG Subject: Re: sym driver 0.3.0 In-Reply-To: <87puz5q8xg.fsf@mired.eh.local> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hello, You test is not serious. If you only can provide 1.5MB/second throughput for a benchmark of SCSI driver, please go away or make comparison with an AHA 1542. I consider your posting to be a bad joke and hope that it is not intentionnaly just bad taste.=20 G=E9rard. On 27 Sep 1999, Kevin Street wrote: > Gerard Roudier writes: >=20 > > I have made available revision 0.3.0 of the sym_hipd driver for > > FreeBSD-CAM. This driver version behaves correctly on QUEUE FULL > > condition and has been rock solid for me.=20 >=20 > > Latest revision: > > sym-0.3.0-1990925 >=20 > I decided to give this a try on an ASUS SC-875 (since I don't have an > 896) to see what it would do. It's stable and seems to give similar=20 > performance to the ncr driver on make buildworld's (src on scsi, obj on i= de). =20 >=20 > It's about 30% slower than the ncr driver with dump however. =20 > I was dumping from file systems on da1 to files on da0 > (a syquest syjet removable scsi). >=20 > The sym driver gave me about 1125 - 1250 KBytes per second throughput. > The ncr driver gave about 1550 - 1725 KBytes per second as reported by=20 > dump. I tried these dumps a couple of times each with similar > numbers. These are medium size (400M - 750M) dumps. Small file systems= =20 > (eg root) were closer in speed with a slight edge to the ncr. > =20 > Info from dmesg: >=20 > ncr0: irq 19 at device 9.0 on pci0 >=20 > or for the sym: >=20 > sym0: <875> irq 19 at device 9.0 on pci0 > sym0: Symbios NVRAM, ID 7, Fast-20, parity checking > sym0: open drain IRQ line driver, using on-chip SRAM > ... > sym0: Downloading SCSI SCRIPTS. > (noperiph:sym0:0:-1:-1): SCSI bus reset delivered. > changing root device to da1s1a > da0 at sym0 bus 0 target 0 lun 0 > da0: Removable Direct Access SCSI-2 device=20 > da0: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled > da0: 1430MB (2929800 512 byte sectors: 255H 63S/T 182C) > da1 at sym0 bus 0 target 8 lun 0 > da1: Fixed Direct Access SCSI-3 device=20 > da1: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing = Enabled > da1: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C) >=20 > --=20 > Kevin Street > street@iname.com >=20 >=20 > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-scsi" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message