These topics provide general planning guidelines and platform-specific information about upgrades and migration.

• General Upgrade Best Practices
  Be aware of these guidelines as a best practice before you perform an upgrade.
• New Server Operating System Upgrade Option
  You can upgrade your operating system by installing a new operating system on a server, and then migrating your database either manually, or by using Export/Import method.
• Upgrading Operating System for an Oracle Grid Infrastructure Server
  Complete this procedure on each Oracle Grid Infrastructure node to upgrade the operating system for an Oracle Grid Infrastructure server.
• Oracle ASM Upgrade Notifications
  Understand Oracle ASM upgrade options and restrictions.