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Operating Systems SCO Increase disk size on OS side on the fly Post 302985218 by goldenboy on Monday 7th of November 2016 10:02:26 AM
Old 11-07-2016
I was not doing that copy by myself, my colleague did, the result is each directory under root has own tar file - /dev was excluded. He said that he used option to preserve file attributes.

At first I've extracted it as it was - hoping that it will work, as on Linux it would, but when I used 'scoadmin' to reconfigure network it didn't let me relink/recompile kernel because it couldn't find some devices. Also partition table was changed, so it seems that it keeps partition table in some file... it was really strange for me.

Eventually, I found that SCO keeps system specific files in those K and P folders so I did like this:
  1. tar /etc/ /usr/SCO/K,P on virtual server
  2. untar backup files (all subfolders of /) from physical server on virtual
  3. overwrite /etc /usr/SCO/K,P with tar file done in first step

Surprisingly after such operation relink of kernel was fine, and boot was fine also, I'm not sure if it works as on production if all services are fine.

The reason I did it that way, I thought that everything that was on physical one will be transferred but overwriting crucial directories with virtual machine default ones (those after installation) will solve the issue with drivers, partition setup, but still services in rc.d (transferred from physical) will be there and will be able to start and will have their configuration files.

So, It would be good to know if such procedure is reliable or if there are some directories that should be included in first step, so that files from new virtual machine are kept same as they were after the installation.

Last edited by rbatte1; 11-07-2016 at 11:43 AM.. Reason: Converted to formatted number-list
 

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virt-tar-out(1) 					      Virtualization Support						   virt-tar-out(1)

NAME
virt-tar-out - Pack a virtual machine disk image directory into a tarball. SYNOPSIS
virt-tar-out -a disk.img /dir files.tar virt-tar-out -d domain /dir files.tar virt-tar-out -d domain /dir - | gzip --best > files.tar.gz DESCRIPTION
"virt-tar-out" packs a virtual machine disk image directory into a tarball. The first parameter is the absolute path of the virtual machine directory. The second parameter is the tar file to write. Use "-" to write to standard output. EXAMPLES
Download the home directories from a guest: virt-tar-out -d MyGuest /home - | gzip --best > homes.tar.gz JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "tar-out" command. For anything more complex than a trivial copy, you are probably better off using guestfish directly. OPTIONS
Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options. SEE ALSO
guestfish(1), virt-cat(1), virt-copy-in(1), virt-copy-out(1), virt-edit(1), virt-tar-in(1), <http://libguestfs.org/>. AUTHORS
Richard W.M. Jones ("rjones at redhat dot com") COPYRIGHT
Copyright (C) 2011 Red Hat Inc. <http://libguestfs.org/> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. libguestfs-1.18.1 2013-12-07 virt-tar-out(1)
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