Upgrading both the VM software and virtual hardware requires some downtime for your instance, so be sure to plan the upgrade in advance. You can schedule a maintenance window to notify your users.
Migrating audit logs to GitHub Enterprise 2.11 or later
GitHub Enterprise 2.11 includes an upgrade to Elasticsearch 2.4. To prepare the appliance for upgrade to 2.11 or later, you'll need to use the migration script.
About upgrade requirements
Before upgrading GitHub Enterprise, review these recommendations and requirements.
Upgrading GitHub Enterprise
Upgrade GitHub Enterprise to get the latest features and security updates.
Finding the current GitHub Enterprise release
Release notes list new features, improvements, and changes in a GitHub Enterprise release.
Enabling automatic update checks
You can enable automatic update checks so that your GitHub Enterprise instance checks for and downloads the latest GitHub Enterprise release.
Increasing storage capacity
You can increase or change the amount of storage available for Git repositories, databases, search indexes, and other persistent application data.
Increasing CPU or memory resources
To add CPU or memory resources to an existing GitHub Enterprise instance, shut down the instance and use the underlying virtual platform's tools to allocate the resources to the virtual machine. The newly allocated resources are automatically recognized on boot and no additional configuration is necessary.
Migrating from GitHub Enterprise 11.10.x to 2.1.23
To migrate from GitHub Enterprise 11.10.x to 2.1.23, you'll need to set up a new appliance instance and migrate data from the previous instance.