From: Mike Cochran (slyball@covad.net)
Date: Tue Nov 26 2002 - 02:44:13 EST
Hello,
I'm a medical doctor, quite new to unix, and this is my first post on this
mailing list. Using the search engine, I found numerous posts regarding
problems with upgrades, but so far none that involved the reverse.
I have two machines, an AS1200 (production) and a pw433au (troubleshooting
machine). This problem involves the pw433au.
The workstation has a standard config except for two 9g Quantum Atlas IV
scsi drives instead of dec drives, and it installs and runs 5.1A without a
hitch. However, I need to install 4.0F in order to run some old code that
doesn't run well on 5.1A. I tried installing 4.0F from the cd but the
install aborts, stating that no disks are recognized, and that it is time
for me to call my local representative. The aborted install drops you to
the command prompt. From the shell I can certainly see the disks by using
disklabel -p.
Trying the gui-based install results again in failure but at least rewards
me with a more verbose disk error: "Can't read the existing label on device
IV."
Taking a stab that maybe the old OS doesn't recognize the newer OS's label,
I tried deleting it using disklabel -z. No change. I tried rewriting it
with disklabel -rw. No change.
If this installation had encountered two blank disks, would it not simply
write new labels on them as did 5.1A when I first installed it? If yes, how
can I tell 4.0F to ignore the 5.1A installation and do so?
Any ideas? Am I completely barking up the wrong tree?
Mike (spamtarget@covad.net)
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