Date: Tue, 3 Dec 1996 10:55:45 -0800 (PST) From: Nick Esborn <nick@grayphics.com> To: Christophe Prevotaux <nighty@ebc.net> Cc: freebsd-scsi@FreeBSD.org Subject: Re: 2940UW Adaptec SCSI Controler Message-ID: <Pine.BSF.3.95.961203105011.23826A-100000@capella.grayphics.com> In-Reply-To: <3.0.32.19961203175548.00a5a574@pop.ebc.net>
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I run a 2.1.5 system with the 2940UW card and a few Seagate Elite drives. I've been quite happy with the performance. Here are some iozone measurements I took: Writing the 64 Megabyte file, 'iozone.tmp'...33.671875 seconds Reading the file...20.984375 seconds IOZONE performance measurements: 1993024 bytes/second for writing the file 3198039 bytes/second for reading the file The Elites are fast/narrow drives, I don't have any fast/wides or ultras. That considered, I'm pretty pleased with these numbers. On the same logic board I get about 2100k/sec from reasonably good IDE drives. On Tue, 3 Dec 1996, Christophe Prevotaux wrote: > I want to use AHA 2940UW Adaptec PCI SCSI controller under FreeBSD 2.1.5 > is the support under FreeBSD 2.1.5 fairly good , good or excellent ? > are there any known problems ? would anyone recommend it for usage with > more than 32MB of RAM and Wide SCSI-3 Disks ? Nick Grayphics http://www.grayphics.com/
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