[6383] in linux-scsi channel archive
Re: adaptec 2940U2W/ibm ultrastar 9ES problem
daemon@ATHENA.MIT.EDU (Dietmar Stein)
Thu Apr 22 13:51:54 1999
Date: Thu, 22 Apr 1999 19:40:31 +0200
To: Charles Galpin <cgalpin@lighthouse-software.com>,
linux-scsi@vger.rutgers.edu
From: dstein2203@t-online.de (Dietmar Stein)
Who was the one got the idea with the scsi.c-file? Did he posted his
message only to Charles or also to linux-scsi? What has he done exactly?
Would be very nice and may help a lot of people, if answers again.
Greetings, Dietmar
Charles Galpin wrote:
>
> In case I'm wearing out my welcome, I'd just like to thank everyone for
> their input.
>
> >See if it can verify the drive. If not,
> >then you've definitely got a cable or termination problem. If it can,
> >especially at the higher speeds, then it's a software issue.
>
> verified w/ the adaptec bios just fine, with the transfer rate @ 80mb too
>
> >Have you set up the BIOS to send out spin-up command to the disk(s)?
>
> yes, this has been on through all tests
>
> >Oh, just one more thing. Have you tried to blacklist the disk so
> >that the non-zero LUN probe is not performed on the disk? Among my
> >disk, the Quantum Empire 1GB disk caused a problem when the non-0 LUN
> >probe is done against the unit. It would lock the bus. So I
> >blacklisted it in my copy of the linux source and now don't see the
> >problem any more. I am writing this on a Sun box, but the file in
> >question is scsi.c if I recall correctly.
>
> The bios has "BIOS Multiple LUN Support" off. If I get a system up, I'll try
> this though
>
> >Check the jumpers of the disk and use preferently the most conservative
> >and most simple possible setup. For example, configure it for not
> >initiating negotiations.
>
> turned of initiating negotiations, disconnect, wide negotiations, lowered
> tranfer rate to 40 on all ids - no difference
>
> Still cannot get the MB to recognize my IDE HD. I'm going to have to try
> this drive on a another machine to make sure it's ok (a year old but never
> used).
>
> thanks
> Charles
>
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--
"Don't fear the Gates" (a little like Blue Oyster Cult)
Dietmar Stein, Systemadministrator UNIX/Linux
dstein@phoenixcontact.com, dstein2203@t-online.de
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