[!!] Summary: Adding 2.1G system disk

From: Gary Speechley (gcs@tstsp0.dsto.gov.au)
Date: Tue May 17 1994 - 00:17:39 CDT

You may recall my request for feedback on replacing a 1.05GB system disk with a 2.1GB

Following responses from various people, I've just completed what I believe to be a
successful upgrade.

I had a full complement of SCSI devices, but elected to temporarily replace an
existing drive (sd1) with my new disk whilst files were transferred from sd0.

Having moved files/directories I knew I'd need from sd1, I modified /etc/fstab to
exclude sd1, and shut the system down. I then installed the 2.1GB disk as sd1 and
rebooted. I used format to define the disk partitions and then newfs'd them. I then
mounted each new partition (using /part1a and /part1g mount points in /).

The file transfer from old disk to new was easy: (using sd0a as the example)
  cd /part1a
  dump 0f - /dev/rsd0a | restore rf -
The / and /usr partitions were moved across.

The only tricky part came in trying to install bootstrap information to the drive.
The normal installboot command goes something like:
  cd /usr/kvm/mdec
  installboot -vlt /boot bootsd /dev/rsd1a

This failed (since I was working across disks) and was corrected by:
  cd /part1g/kvm/mdec
  installboot -vlt /part1a/boot bootsd /dev/rsd1a

/etc/fstab was editied to reflect the new file systems.

I also took the opportunity to move the /home partition from /dev/sd0h onto another
disk, /dev/sd1c. Fortunately, I had an almost empty disk to use as a temporary
repository for the files off the /home partition.

All-in-all, a very successful afternoon's work.

BUT!! It would not have been so easy had it not been for the invaluable contributions
of the following people, particularly Ingolf Markhof. If I have missed anyone out, I
apologise....these are the messages I received directly.

bonomi@delta.eecs.nwu.edu (Robert Bonomi)
Peter Koch - DA Gesmann <koch@informatik.uni-kl.de>
Andrew Arensburger <arensb@cfar.umd.edu>
Ingolf Markhof <markhof@ls12r.informatik.uni-dortmund.de>
Carl Mueller <mueller@cs.unc.edu>

Again, many thanks!!


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