From owner-freebsd-questions Thu Sep 30 14:36:14 1999 Delivered-To: freebsd-questions@freebsd.org Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by hub.freebsd.org (Postfix) with ESMTP id DB9C214CFE for ; Thu, 30 Sep 1999 14:36:08 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id HAA23351; Fri, 1 Oct 1999 07:06:01 +0930 (CST) Date: Fri, 1 Oct 1999 07:06:01 +0930 From: Greg Lehey To: Volker Stolz Cc: FreeBSD Questions Subject: Re: Erratic SCSI-ZIP throughput Message-ID: <19991001070601.P496@freebie.lemis.com> References: <19990909123919.A6053@solo.informatik.rwth-aachen.de> <19990912114608.U10106@freebie.lemis.com> <19990914151601.A378@solo.informatik.rwth-aachen.de> <19990915083028.A30655@freebie.lemis.com> <19990916153731.C9119@solo.informatik.rwth-aachen.de> <19990917101533.O55065@freebie.lemis.com> <19990930134449.A15930@solo.informatik.rwth-aachen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <19990930134449.A15930@solo.informatik.rwth-aachen.de>; from Volker Stolz on Thu, Sep 30, 1999 at 01:44:49PM +0200 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thursday, 30 September 1999 at 13:44:49 +0200, Volker Stolz wrote: > On Fri, Sep 17, 1999 at 10:15:33AM +0930, Greg Lehey wrote: >>>> It depends on what transfers you're doing. If you're transferring .09 >>>> MB in 48 transfers, your average transfer size is about 2 kB. You >>>> should be able to do better than that on an average mix. >>> >>> I know, but what goes wrong? >> >> Nothing goes wrong. You're running into a basic limitation of the >> device. > > Okay, but why is it ten times slower than the average (Windows-?) > throughout? It should do about 800k/s. Even the Parallel-ZIPs I use > are faster -- using the vfat-fs on Linux. > Is the limitation due to the filesystem? I'd say the limitation is due to the files. Transfer bigger files and it should work better. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message