upgrade 5.2 to 5.3 Post: 302196763

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Operating Systems AIX upgrade 5.2 to 5.3 Post 302196763 by bakunin on Monday 19th of May 2008 11:45:53 AM

05-19-2008

Registered User

I'd explore the possibility of an "alternate-disk-installation" or "alternate-disk-migration". You will find a lot of instructions here or spread over the web by entering these words in your favourite search engine.

(like here: pSeries and AIX Information Center)

Basically it works like that: you have a mirrored rootvg, which will be broken into the two parts the mirror consists of, then one of these copies is used to do the upgrade. After everything is proven to be ok the other mirror will be synced, if something fails you can use the untouched copy to step back to where you have started.

I hope this helps.

bakunin

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LEARN ABOUT LINUX

unattended-upgrade

unattended-upgrade(8)					      System Manager's Manual					     unattended-upgrade(8)

NAME

       unattended-upgrade - automatic installation of security (and other) upgrades

SYNOPSIS

       unattended-upgrade [options]

DESCRIPTION

       This program can download and install security upgrades automatically and unattended, taking care to only install packages from the config-
       ured APT source, and checking for dpkg prompts about configuration file changes. All output is logged to /var/log/unattended-ugprades.log.

       This  script  is  the  backend  for  the  APT::Periodic::Unattended-Upgrade  option  and  designed  to  be  run	 from	cron   (e.g.   via
       /etc/cron.daily/apt).

OPTIONS

       unattended-upgrade accepts the following options

       -h, --help
	      help output

       -d, --debug
	      extra debug output into /var/log/unattended-upgrades.log

       --dry-run
	      Just simulate installing updates, do not actually do it

CONFIGURATION

       The  configuration  is done via the apt configuration mechanism, the default configuration file can be found at /etc/apt/apt.conf.d/50unat-
       tended-upgrades

AUTHORS

       unattended-upgrade is written by Michael Vogt <mvo@ubuntu.com>

       This manual page was originally written by Michael Vogt <mvo@ubuntu.com>

COPYRIGHT

       Copyright  (C)  2005-2009 Canonical

       There is NO warranty.  You may redistribute this software under the terms of  the  GNU General  Public License.	For more information about
       these matters, see the files named COPYING.

								    May 4, 2009 					     unattended-upgrade(8)