The file headers of offline data files are updated later when they are brought online, and the file headers of read-only tablespaces are updated if and when they are made read/write sometime after the upgrade.
Actions that must be performed on more than one node are indicated in the relevant steps.
privilege to separate database management and storage management responsibilities.
This is referred to as an Before you remove the old Oracle environment, you must relocate any data files in that environment to the new Oracle Database environment.
To relocate data files to the new Oracle Database environment Packages that were previously installed on the database for which you are preparing to upgrade to the current release may not be upgraded automatically.
When you upgrade the databases in such an environment, upgrade the database with the downstream capture process before you upgrade the source database.
Upgrading the databases in this order ensures that the downstream capture database can continue to function after the source database is upgraded.
The following considerations pertain to upgrading Oracle Clusterware and Oracle ASM instances: You can use Database Upgrade Assistant (DBUA) to upgrade an existing Oracle RAC database to the current release of Oracle Database.
DBUA guides you through the upgrade process and configures your database for the new release.
For instance, if there are Release 1 (11.1) and later releases can read file headers created in previous releases, so you are not required to do anything to them during the upgrade.