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Explain the upgrade process.



Explain the upgrade process...

Answer / sanjay

Take complete Database and Operating System Backup

1. OS Upgrade.
2. Database Upgrade.
3. SAP Upgrade

Database Upgrade –
Oracle Upgrade Plan
Orcale upgrade 8.x to 9.x
Orcale upgrade 9.x to 10.x


SAP Upgrade -
Software Requirements
Upgrade kernel
Upgrade installation master
Upgrade exports
Language
Java upgrades
Fix file

Pre Prepare –
Make sure you have the latest kernel patch, tp and R3trans
Apply STPI Add-on with patch level 6
Have the Solution Manager Key for the Upgrade.

Prepare =>
Setting up upgrade Directory
Creating /usr/sap/put directory

Starting PREPARE for the first time
This creates a directory <upgrade directory>/ua into which
the Upgrade Assistant is unpacked.

Start the Upgrade Assistant Server
java –cp /usr/sap/put/ua/ua.jar UaServer.

Start the Upgrade Assistant GUI
java –cp /usr/sap/put/ua/uagui.jar UaGui

The Upgrade assistant Windows Screen will appear.
Give the host/IP name with the default port no – 4241 =>Logon
You will get the welcome to upgrade screen
Enter user name , Phone No, Role(Administrator), password.

From the Upgrade GUI Menu Administrator select Start Prepare,
Give the requirements
Select all the modules for the prepare phases.

Provide the SAPup keyword as per note 913971.
SAPup Keyword -23857253

Provide the path of Upgrade Kernel and all mount points of DVDs
Give +1 for the shadow instance number.

After the prepare phase completion start the UPGRADE phase.
Select the upgrade strategy -
Downtime minimize
Resource minimize.
If every thing gone fine your Upgrade will be Successful.

After the completion you have some post Upgrade steps.

****Suggest to follow sap notes before and during upgrade
for help and support.****

Might you will get so many error what you have to solve your
own.

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