Date: Sat, 16 Oct 1999 12:54:58 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Gerard Roudier <groudier@club-internet.fr> Cc: "Kenneth D. Merry" <ken@kdm.org>, "Chris D. Faulhaber" <cdf.lists@fxp.org>, Andrew Gallatin <gallatin@cs.duke.edu>, scsi@FreeBSD.ORG Subject: Re: FreeBSD 3.2 / Slow SCSI Dell PowerEdge 4300 Message-ID: <Pine.BSF.4.05.9910161253160.11481-100000@semuta.feral.com> In-Reply-To: <Pine.BSF.4.05.9910161238340.11481-100000@semuta.feral.com>
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> > I have measured 35MB/s throughtput on a 80MB/s LVD SCSI BUS using 4K > > actual IO chunks. This let me think that 64 KB is not that small given not > > ridiculouly high IO latency. May-be for Ultra-160 (and probably for future > > Ultra-320), 64KB will be to small. Oh, yeah- to be picky about this- it isn't an 80MB/s bus. It's a 40MHz bus that when transferring 16 bits of data is transferring data at 80MB/s. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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