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Article #12601

making xd1 bootable?

#12601
From: Brian H. Powell
Date: Sat, 06 May 1989 20:06
30 lines
1812 bytes
I had a bad weekend.  If you want the details, I'd be happy to send you a
story about it.

Among other things, I was trying to clone our boot disk (xd0) onto xd1.
After I set things up (ran installboot, etc.), I halted.  In the monitor,
I set up the eeprom to boot off of xd(0,1,0).  Fine.  I booted, and it got
vmunix off of xd1, as expected.  But it suddenly decided to use the root
and swap off of xd0:

Apr 29 11:00:03 natinst vmunix: root on xd0a fstype 4.2
Apr 29 11:00:03 natinst vmunix: swap on xd0b fstype spec size 20803K
Apr 29 11:00:03 natinst vmunix: dump on xd0b fstype spec

I looked through the documentation, but couldn't find anything that
explained what I was doing wrong.  (Sun doesn't describe how to make an
alternate boot disk very well.)

I tried the monitor command "b -a", and pointed it to xd1 for root and
swap, and that worked fine.  Unfortunately, that information didn't stick,
so the next boot used xd0 for root and swap.

I eventually resorted to changing the drive id of xd1 to 0, and xd0 to 1.
I reset things to boot off of xd(0,0,0), and it worked fine.

What have I done wrong?

Brian H. Powell					National Instruments Corp.
	brian@natinst.com			12109 Technology Blvd.
	uunet!cs.utexas.edu!natinst!brian	Austin, Texas 78727-6204
	AppleLink:NATINST			(512) 250-9119
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: brian@natinst.com (Brian H. Powell)
Newsgroups: comp.sys.sun
Subject: making xd1 bootable?
Keywords: SunOS
Message-ID: <8905011601.AA08948@natinst.com>
Date: 6 May 89 20:06:18 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
Lines: 30
Approved: Sun-Spots@rice.edu
Original-Date: Mon, 1 May 89 11:01:10 CDT
X-Sun-Spots-Digest: Volume 7, Issue 273, message 19 of 23