*BSD News Article 20091


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From: osyjm@cs.montana.edu (Jaye Mathisen)
Newsgroups: comp.os.386bsd.questions
Subject: Re: SCSI-2 adapter recommendation for 386bsd
Date: 27 Aug 1993 02:49:32 GMT
Organization: Computer Science, MSU, Bozeman MT, 59717
Lines: 25
Message-ID: <25jsns$gj4@pdq.coe.montana.edu>
References: <CCBLIw.J7A@latcs1.lat.oz.au> <25jh8g$r5h@milou.eunet.fi>
NNTP-Posting-Host: schizo.coe.montana.edu

In article <25jh8g$r5h@milou.eunet.fi>,
Bror 'Count' Heinola <count@muncca.fi> wrote:
>In article <CCBLIw.J7A@latcs1.lat.oz.au> wongm@latcs1.lat.oz.au (M.C. Wong) writes:
>>Hi, 
>>  Having read some discussion /summary on the unreliability of 1542C adapter,
>>I will like to know what are the "reliable" alternatives for SCSI-2 devices ?
>
>	Hmm, I wish that someone would've told ME that 1542C is unreliable..
>	Uptime certainly thinks otherwise :) (Up 32 days & some hours)

The first revs of the C model had problems.  Later releases have been
fixed, so while the statement held true a while back, it no longer does.

>	
>	I don't have any complaints, except transfer speed is pretty slow,
>	only about 250k / write and 600k / read... Disk is Seagate ST41200N
>	(CDC Imprimis Wren VII), 1GB 5.25" FH.

Seems pretty abysmal, Have you tried messing with block sizes/frag sizes/
rotdelay (Somebody told me rotdelay of 1 is the same as 4, but I haven't
verified this), and that kind of stuff?
-- 
 Jaye Mathisen, COE Systems Manager                (406) 994-4780
 410 Roberts Hall,Dept. of Computer Science
 Montana State University,Bozeman MT 59717	osyjm@cs.montana.edu