Read-only Single User System?

From: MJ Watson <mjwatson_at_snafu.livenet.net>
Date: Fri, 11 Sep 1998 09:07:23 -0400 (EDT)

Managers,

My attempt to convert my root filesystem from UFS to AdvFS has
failed, and I'm attempting to roll back to the UFS one. However,
I didn't consider this might fail, and so modified /etc/fstab
before copying root over to the new root domain disk.

I still have a copy of the old fstab, but when I reset my boot
device to the UFS root disk and boot single-user, it comes up
as a read only filesystem, so I can't just copy the old fstab
back into place.

This state of affairs doesn't strike me as normal, but the reason
escapes me. Trying to boot multiuser almost works, but then fails
with a long list of error messages terminating in /etc/sia/something...
and going into a read-only single user state.

In attempting to boot from CDROM, the right device names are
not available, and attempting to mount the raw device doesn't
work. It seems that this was the bypass on Solaris, isn't
there a similar method on DEC? The idea was to allow me to restore
the UFS fstab.

Any suggestions on why this occurs and how to get around it (short
of reinstalling 4.0d altogether) would be appreciated.

Thanks,
Michael

-- 
==
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Michael Watson           Unix Systems Administrator
U.S. Coast Guard Aircraft Repair and Support Center
CGAS Elizabeth City, NC                252.334.5269
n6wav_at_yahoo.com                mjwatson_at_livenet.net
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Received on Fri Sep 11 1998 - 13:08:04 NZST

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