AIX OS UPGRADATION PROCEDURE
Pre-migration
1) Check with the application teams, If the new version is compatible for the application to be run fine.
2) If veritas volume manager is running for managing the application volumes, check with Symantec whether any additional drivers needs to be installed.
3) Similarly check with the backup team if there is any concern.
4) Inform the hands on support to have the CD/DVDs available.
5) If there is any monitoring tool, un configure them.
6) Take all the configuration details
7) Take alt clone, mksysb
Migration activity
1) Ask the hands on person to insert the OS migration CD/DVD to the drive
2) Reboot the system (or) down and restart it
3) Go to the SMS menu
4) Reboot the server through CD/DVD drive
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Note:
The method of installation should be Migration
Some times, It will not show the right disk name in the field ”Disk where you want to install”. So it is better to check with the configuration details for identity. Probably lsdev | grep –i disk can help here.
Once you selected the options press “0” and enter to proceed with the installation.
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Here type F1 and enter. If it is asking the terminal type, you need to give vt100 and press enter immediately.
If you want to enable additional options such as TCB, you need to select for More options (3) as shown in the first figure.
Then it will ask you to save the settings and proceed with the current settings as below.
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Once you give 0 and enter, It will start to install the filesets. It will take around 1 and a half hours to complete. At the end, It will ask you the License agreement. Select yes and proceed.
Once the installation is successful, It is advisable to check the configuration settings and make sure If all are perfect.
Ask the application team, TSM team If they are facing any issues.
Wait for a week or twice, then remove the cone vg and take a fresh clone and mksysb.
