Since I move from OEL4.6 to OEL5.3, same word size (32-bits), same OS, no need to reinstall everything.
The fastest and simplest way, is to copy PS_HOME, TUX_HOME and WEBLOGIC_HOME to the new server.
Recreate the user with same .bash_profile and same rights as of the source.
If you copy to a different path directory, don't worry :
1. For PS_HOME, just define it as well in the .bash_profile of the PS_HOME owner
2. For Weblogic, when you recreate the webserver domain, give the new path
3. For Tuxedo, modify the script $PS_HOME/setup/psdb.sh, set the variable TUXDIR according to the new path :
Before running any application server, you should be sure about one environment variable value (due to OEL 5.x) . Open the file $PS_HOME/psconfig.sh, and check the variable PS_HOSTTYPE, it should be :
Then disconnect and reconnect as the PS_HOME owner, that'll recall the psconfig.sh.
Because of some changes on OEL5.x, this file is not automatically updated by the installer, if you do not set correctly PS_HOSTTYPE, you could hit the following error when running psconfig.sh :
-bash - Error : Unsupported Host Type unknown...
ERROR: PS_HOSTTYPE is not set to a valid value.
Finally, you'll need :
1. Recreate the web server domain :
[weblogic@orion2 /apps/psoft/hrms9/setup/PsMpPIAInstall]$ export DISPLAY=0.0
[weblogic@orion2 /apps/psoft/hrms9/setup/PsMpPIAInstall]$ ./setup.linux -console
2. Reconfigure the application server domain with the psadmin menu
But it is very easy, only few minutes are required.
Assuming the tnsnames.ora file is updating to the new database location, everything should start on this new server.
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