Our SAP version is 4.7E and OS is HP-UX.kernel 640 patch level 121.
At the time of implementation they created two SAP instances and database instance in one system and one another application instance in another separate server.Now I want to do kernel upgradation.
1.How can I proceed and how can I find which files are shared and after kernel upgradation how can I create the link or sharing?
2.What is ctrun directort in /exe directory?
3.If any one use old kernel from a longtime how it affects production server?
Please kindly help on this.