AIX
migration from version 5.3 to 6.1 using CDROM
Prerequisites:
1>
Before going ahead an upgrading, do ensure that you have a full
system backup(mksysb) incase of requirement for backout of upgrade.
2>
Check for errors on system using the errpt
-a
and fix
3>
Ensure that there is enough free disk space on the system for rootvg.
4>
Check on what disk rootvg is installed on using the command lsvg
-p rootvg
5>
Run the command bootlist
-m normal -o
and ensure that the CDROM is listed before the hard disk. If not,
change the boot order by running the command bootlist
-m normal cd0 hdisk0
6>
Run lppchk
-v
to check that all the currently installed software have all the
required requisites.
7>Get
the compatability support matrix concurrance from
Database/Application(that runs on the server) before the migration
8>Take
backup of important OS files,tunables and ensure its also applied
after the upgrade.
Migration
procedure:
– Put the AIX 6.1
media in the DVD drive and reboot using the command shutdown
-Fr
to boot from CD
----------------------------------------------------------------------
1
= SMS menu 5 = Default bootlist
8
= Open Firmware 6 = Stored bootlist
----------------------------------------------------------------------
– Ignore this
screen. The installation process should continue automatically
----------------------------------------------------------------------
Please
define the System Console
Type
a 1 and press Enter to use this terminal as the system console
----------------------------------------------------------------------
– Type 1 and press
enter
----------------------------------------------------------------------
1.
Type 1 and press Enter to have English during install
>>>choice[1]:
----------------------------------------------------------------------
– Type 1 and press
enter
----------------------------------------------------------------------
Welcome
to Base Operating System Installation and Maintenance
Type
the number of your choice and press Enter. Choice is indicated by >>>
>>>1.
Start Install now with Default Settings
2.
Change/show Installation Settings and Install
3.
Start Maintenance Mode for System Recovery
4.
Configure Network Disks (iSCSI)
88
Help?
99
Previous Menu
Choice[1]:
2
----------------------------------------------------------------------
– Type 2 and press
enter
----------------------------------------------------------------------
Installation
and Settings
Either
type 0 and press Enter to install with current settings
or
type the number of the setting you want to change and press Enter
1.
System Settings:
Method
of Installation ......................Migration
Disk
where you want to Install ..............hdisk0
2.
Primary Language Environment settings (AFTER Install):
Cultural
Conventions ........................English (United States)
Language
....................................English (United States)
Keyboard
....................................English (United States)
Keyboard
Type ...............................Default
3.
Security Model...............................Default
4.
More Options (Software install options)
>>>
0 Install with the current settings listed above
88
Help?
99
Previous Menu
>>>
Choice[0]:
----------------------------------------------------------------------
– Change the
method of installation to Migration
– Ensure that the
correct disk at “Disk where you want to install”
– Modify the
“Cultural Conventions”, “Language” and “Keyboard” to your
liking
Type 4 and press
enter
----------------------------------------------------------------------
Install
Options
1.
Enable System Backup to install any system....Yes
2.
Import User Volume Groups.....................Yes
3.
Remove Java 1.1.8 Software....................No
>>>
0 Install with the current settings listed above
88
Help?
99
Previous Menu
>>>
Choice[0]:
----------------------------------------------------------------------
– Type 0 and press
enter
----------------------------------------------------------------------
Migration
Installation Summary
Disks:
hdisk0
Cultural
Convention: en_GB
Language:
en_US
Keyboard:
en_GB
Import
User Volume Groups: Yes
Enable
System Backup to install any system: Yes
Remove
Java 1.1.8 Software: No
>>>
1 Continue with Install
88
Help?
99
Previous Menu
>>>
Choice[1]:
----------------------------------------------------------------------
– Check the output
and accept by typing 1 and pressing enter
----------------------------------------------------------------------
Migration
menu preparation
Please
wait
Approximate
Elapsed time
%
task complete (in minutes)
----------------------------------------------------------------------
----------------------------------------------------------------------
Migration
Confirmation
Either
type 0 and press Enter to continue the installation
or
type the number of your choice and press Enter
1.
List the saved Base System Configuration files which will not be
merged into the system
These
files are saved in /tmp/bos
2.
List the filesets which will be removed and not replaced
3.
List directories which will have all current contents removed
4.
Reboot without migrating
Acceptance
of license agreements is required before using system.
You
will be prompted to accept after the system reboots
>>>
0 Continue with the migration
WARNING:
Selected files, directories and filesets (installable options)
from
the Base System will be removed.
Choose
2 or 3 for more information
88
Help?
99
Previous Menu
>>>
Choice[0]:
----------------------------------------------------------------------
– Type 0 and press
enter to start the upgrade process
----------------------------------------------------------------------
Saving
system configuration files in /tmp/bos
Removing
obsolete filesets, directories and files
Installing
Base Operating System
Please
wait
Approximate
Elapsed time
%
task complete (in minutes)
----------------------------------------------------------------------
– The installation
will continue and and will finally present the login screen
– Login and check
the AIX version installed by typing the command oslevel
-s
