This knowledge article provides a quick checklist of items to consider when upgrading to O2 25.1. This article will help you ensure a successful upgrade of your existing OI 24.1 or 24.2 environment. This checklist will help in pre-planning and upgrade plan discussions with your Account team before upgrading to O2 25.1
During the pre-upgrade planning discussion, please also mention whether or not your team is planning on other Broadcom software product upgrades such as Spectrum, UIM, PM, or other Broadcom software products, so they may be scheduled most efficiently.
This O2 Upgrade Guide and Pre-Planning Checklist article as well as the full guide will be updated and maintained for each release.
Upgrading from OI 24.1 or 24.2 to O2 25.1
Upgrade Guidance
| Checklist Task | Yes | No | NA | Brief Description |
| Pre-Upgrade | Required for pre-upgrade reviews and all upgrade preparation. | |||
| Review Release Notes | Release Notes provides the latest information about new features, enhancements to existing features, and known issues. | |||
| Check Supported Upgrade Paths | Officially supported installation/migration paths for this release. | |||
| Check Sizing the Deployment | The sizing recommendations help you to determine the sizing for your deployment. | |||
| Check Hardware and Software Requirements | Lists the hardware and software requirements for the installation | |||
| Pre-Upgrade Tasks for Cluster Administrator | Administrator performs the pre-upgrade tasks before upgrade. | |||
| Pre-Upgrade as a Namespace Administrator | Administrator performs the pre-upgrade tasks before upgrade. | |||
| Download the Installer Distribution File | The installation distribution file is about 35 GB. Ensure that you have a proper Internet connection to download this file. | |||
| Backup the Data | Elasticsearch Cluster Snapshot, JavaScript Calculator Scripts, DXI PostgreSQL Database | |||
| Checklist for Kubernetes | Performed all the required pre-installation tasks for the Kubernetes environment. | |||
| Checklist for OpenShift | Performed all the required pre-installation tasks for the OpenShift environment. |
Troubleshooting (Installation and Upgrade)