RE: [TCLUG:3714] server SCSI error

["Neal Tovsen" <ntovsen@piper.hamline.edu>]

Is your SCSI bus terminated properly? Seems like a dumb question, but I'd
bet that 90% of SCSI problems are bad cables or incorrect termination...

Neal

> -----Original Message-----
> From: Tim Wilson [mailto:wilson@chemsun.chem.umn.edu]
> Sent: Monday, January 25, 1999 4:42 PM
> To: tclug-list@listserv.real-time.com
> Subject: [TCLUG:3714] server SCSI error
>
>
> Hey y'all,
>
> I've been working on a reinstall of RedHat on my server at school, but
> I've run into a rather surprising problem. I've got SCSI bus problems.
> This is especially odd when you consider that I had RH5.1
> running on this
> machine for several months with no SCSI problems (that I was
> aware of, at
> least).
>
> The machine is a PII 300 w/ 128 MB RAM, 4.5 GB UW SCSI,
> Seagate TapeStore
> (SCSI), IDE CD-ROM, 3Com 905, etc. The RedHat installer detected an
> Adaptec 2740, 2840, or 2940 SCSI controller and continued
> with the setup
> program.
>
> The first time I tried to install, it seemed as though it was
> trying to
> install onto the tape drive. The CD-ROM and tape would
> alternately spin,
> and little or nothing appeared to be written on the HD. I
> restarted and
> pulled out the tape to try again. This time the setup hung while
> installing packages. I did an Alt-F4 to a different console
> and read the
> following: (this is a sample of the output)
>
> <4>scsi : aborting command due to timeout : pid 2052, scsi 0,
> channel 0,
> id 0, lun 0 0x0a 02 78 41 20 00
> <4>SCSI  host 0 abort (pid 2050) timed out - resetting
> <4>SCSI bus in being reset for host 0 channel 0
> <6> (scsi0:0:0:0) Sychronous at 40.0 Mbyte/sec, offset 8
> <4>SCSI host 0 abort (pid 2050) timed out - trying harder
>
> * after some more trying it said*
>
> <4>SCSI host 0 reset (pid 2050) timed out again -
> <4> probably an unrecoverable SCSI bus or device hang.
>
> Does anyone have any ideas? I'm not very knowledgable about
> SCSI devices.
> It seems as though the HD and tape drive are fighting for the
> same scsi
> ID. Does that make sense? Again, this system worked before;
> in fact, it
> was working this morning.
>
> Signed,
> Puzzled in W. St. Paul,
>
> --
> Timothy D. Wilson			"A little song, a little dance,
> University of MN, chem. dept.		a little seltzer down your
> wilson@chem.umn.edu			pants."   -Chuckles the Clown
> Phone: (612) 625-9828                       as eulogized by Ted Baxter
>
>
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