Date: Fri, 19 Feb 1999 20:15:46 +0100 From: Ollivier Robert <roberto@keltia.freenix.fr> To: freebsd-scsi@FreeBSD.ORG Subject: Re: slow disk performance Message-ID: <19990219201546.A18865@keltia.freenix.fr> In-Reply-To: <18942.919418741@verdi.nethelp.no>; from sthaug@nethelp.no on Fri, Feb 19, 1999 at 11:05:41AM %2B0100 References: <19990218215721.55546@right.PCS> <18942.919418741@verdi.nethelp.no>
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According to sthaug@nethelp.no: > I get around 7.5 MB/s reading from the raw device on my DCAS-34330W, using > an NCR875 based controller (Tekram). Somewhat less when writing. I'm surprised. When I got my first DCAS-34330W, also on a NCR-875 card, I got a bit more than 8 MB/s... I get 13 MB/s on the Viking II/AHA-7880UW on my second machine. DCAS-34330W (5400 rpm): 262144000 bytes transferred in 32.113711 secs (8162993 bytes/sec) Viking II (7200 rpm): 262144000 bytes transferred in 19.191250 secs (13659558 bytes/sec) -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr FreeBSD keltia.freenix.fr 3.0-CURRENT #69: Mon Jan 18 02:02:12 CET 1999 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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