Running the Upgrade Process

Now you’re ready to run the upgrade process. It updates the database schema for the core and your installed modules. Verification processes test the upgrade. Configured verifications for the core and modules run afterwards, but can be run manually too.

Here are the ways to run upgrade processes:

  • Upgrade everything in one shot: Use the upgrade tool to upgrade the core and all the modules.

  • Upgrade the core and the modules separately: Use the upgrade tool (recommended) or Gogo shell to upgrade the core. Then use Gogo shell to upgrade each module.

If you are upgrading from Liferay Portal 6.2 or earlier, it’s recommended to use the upgrade tool to upgrade everything. It’s the easiest, most comprehensive way to upgrade from those versions. Since version 7.0, however, Liferay DXP’s modular framework lets you upgrade modules–even the core–individually. Focusing first on upgrading the core and your most important modules might be better for you. The point is, the Liferay DXP 7.1 upgrade process is flexible.

Note: Liferay enterprise subscribers can use the upgrade tool to execute upgrades for fix packs. As of Liferay DXP 7.1, a fix pack’s micro upgrade processes (core database schema micro version changes) are not mandatory. This means you can install a fix pack (i.e., core code) without having to execute the database schema micro version changes—you can execute micro version changes when you want, even outside of a major or minor version upgrade. Before using the upgrade tool to execute a fix pack’s micro upgrade process, however, you must shut down the server, install the fix pack, and back up the Liferay DXP database, installation, and Document Library store.

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