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From: eric@godzilla.berkeley.edu (Eric van Bezooijen)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: 3 problems with FreeBSD 2.1.5 Install
Date: 3 Jan 1997 18:57:46 GMT
Organization: Active Software, Inc.
Lines: 48
Message-ID: <5ajkra$k9a@masters0.InterNex.Net>
References: <5a9806$ebn@masters0.internex.net> <5agehi$6fa@uriah.heep.sax.de> <01bbf8e5$67209b50$27366d81@masscomp>
NNTP-Posting-Host: godzilla.activesw.com
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:33612
In article <01bbf8e5$67209b50$27366d81@masscomp>,
Ernest Hymel <ehymel@utmb.edu> wrote:
>J Wunsch <j@uriah.heep.sax.de> wrote in article
><5agehi$6fa@uriah.heep.sax.de>...
>> > 3. FreeBSD 2.1.5 does not recognize my drive 0. It's an HP SureStore
>2000
>> > 2.0 GB SCSI drive model C3725S.
>>
>> On which SCSI controller? I'm not sure, but there's one HP drive that
>> is known to not work with tagged commands.
>
>I know for a fact that the HP SureStore 200 model C3725S _is_ the drive
>that won't work with tagged commands. I had this problem when using this
>drive with an NCR 53C810 controller. My solution was to hook that drive
>onto an Adaptec 2940U controller and all was well. I think there is a
>command to fix this, though (don't recall what it is).
>
>Ernest Hymel
>ehymel@utmb.edu
>
I actually e-mailed HP about this (HP tech support is pretty awesome), and
this is the response I got:
Eric,
The drive works with tagged command queuing, what was told to you is
incorrect.
Tagged commands are simply commands sent to the drive. The drive can't
do multiple commands at once, so it sets up a queue of commands, each
command get a "tag" to keep track of the commands, in case one of them
fails and the drive has to report a Unit Attention.
Tim L.
Surestore Support
So I suppose it's the combination of the card and the drive that causes the
problem ? But I don't want to shell out $$ for another card, since the NCR
SCSI card works like a charm with my MB!
-Eric
--
http://www.activesw.com/~eric/ EL!TE YOONICKS(TM) Solaris & FreeBSD user
Eric van Bezooijen | "Faboo!"- Wakko Warner, Animaniacs #Warlord *THIS*
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