Table of Contents Table of Contents Title and Copyright Information Preface Use Case Scenario for this Document Documentation Accessibility 1 Preparing to Upgrade Oracle Restart Options and Restrictions for Oracle Restart Upgrades Checks to Complete Before Upgrading Oracle Restart Installing the Oracle Preinstallation RPM with ULN Support Creating a Copy of the Preinstallation Configuration File for the grid User Shutting Down the Database 2 Upgrading and Patching Oracle Restart Steps to Upgrade Oracle Restart Verifying the Oracle Restart Software Version After Upgrade Patching Oracle Restart Unlocking and Deinstalling the Previous Release Grid Home 3 Downgrading Oracle Restart Options and Restrictions for Oracle Restart Downgrades Downgrading Oracle Restart