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From: pgreene@moe.optics.rochester.edu (Pamela Greene)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Sun3 and Jaz disk install/boot
Followup-To: poster
Date: 22 Feb 1997 18:30:19 -0500
Organization: University of Rochester, School of Engineering
Lines: 53
Message-ID: <5envib$nfc@moe.optics.rochester.edu>
NNTP-Posting-Host: moe.optics.rochester.edu
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.netbsd.misc:5514
Several questions. (I saved them up. :)
I'm trying to install onto Sun 3/60. The machine already has a hard
drive running 1.0A, and I'm trying to put 1.2 onto a Jaz disk, in
order to have a functioning backup before upgrading the system on the
hard disk. I think the disklabel is written properly, but I've run
into a couple of problems booting the miniroot from the Jaz disk. In
particular, when I use
>b sd(0,1,1) -s
(it's on SCSI ID 1), it says it's waiting for the drive to spin up,
and always times out, although the Jaz disk is at full speed. Any ideas?
Related question 1:
Before working on this upgrade, I tried to make a bootable Jaz disk
backup of the 1.0A system. I formatted the disk, made a disklabel
(but see below), built the filesystems, and mounted them successfully.
I've also used the /usr/mdec/installboot program to (try to) install
boot code:
# mount /dev/sd1a /mnt
# cp -p /boot /mnt
# cd /usr/mdec/
# ./installboot /mnt/boot bootxx /dev/rsd1a
When I boot from that disk, I get
"Address Error, PC fetch at 0x001C7530". Ideas?
Related question 2:
On this system, where are disklabels stored? It doesn't use a disktab
file, and the disklabel program won't accept a -r option (and
'disklabel -r /dev/rsd0a' on the current boot disk yields "No
disklabel"). It clearly does store a disklabel for the current boot
disk (not the new one I'm trying to create, but one which works)
somewhere, but where, and how do I add one for the Jaz disk? As it
is, I have to use 'disklabel -R' to rewrite the label every time I
reboot. Likewise, during the upgrade, using edlabel from the RAMdisk
kernel returned an error when trying to write a label to the Jaz disk,
although it looks like it might possibly have succeeded nonetheless.
Unrelated question:
What are soft errors on a disk? The hard drive gets them frequently,
typically several per day.
Any help would be appreciated.
- Pam
--
- Pam Greene
Ferret Central <http://www.optics.rochester.edu:8080/users/pgreene/>
or ftp://ftp.optics.rochester.edu/pub/pgreene/
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