Thank you for sharing this... quick question.. is it mandate to convert non-cdb to cdb from 19c onwards ?
No. 19c is the last version of Oracle where using the non-CDB architecture is supported. It is deprecated, but still supported. From 20c onward, the non-CDB architecture is no longer supported.
Rich Soule said...Tim,
Any thoughts on autoupgrade vs preupgrade?
I've not played around with the autoupgrade. I guess it really depends on what scenarios you are dealing with, and what actions it currently supports. Some of our old instances have had "a lot" of clean-up to do prior to upgrades. :)
The last time I checked it doesn't do the final conversion to a PDB, so you could use autoupgrade, then manually convert to a PDB.
Anonymous said...Thanks for this blog.I applied all steps as mentioned in this blog.I face below error while running : $ORACLE_HOME/bin/dbupgrade in startup upgrade mode. Error:
Unexpected error encountered in catctlMain; Error Stack Below; exiting Died at /u01/app/oracle/product/19.0.0/dbhome_1/rdbms/admin/catctl.pl
CATCTL fatal error
You need to check through the logs and see what errors were reported and fix them. Each upgrade differs, depending on patch sets and installed options, so it's impossible to cover all bases.
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