CubeCOS Upgrade Guide - Firmware & Fixpack Updates

Overview

Starting with version 3.1.0, CubeCOS includes a rolling update and upgrade feature. This feature automates cluster scheduling and maintenance to simplify multi-node operations and reduce deployment risk.

Version Requirement

The one-click update and upgrade operation is only supported by CubeCOS versions 3.1.0 and later. For earlier versions, use the Manual Upgrade via CLI guide.

Getting started

Choose your path based on your CubeCOS version:

• CubeCOS 3.1.0 or later: Follow the One-click Upgrade Installation Guide to use the automated UI-based upgrade process
• CubeCOS 3.0.0 or earlier: Follow the Manual Upgrade via CLI guide for command-line upgrades

For detailed technical information about upgrade workflows and rolling upgrade modes, see the One-click Upgrade Introduction.

Quick links

📄️Introduction to one-click update and upgrade

This guide explains the technical differences between firmware and fixpack updates to help ensure high availability and business continuity during cluster upgrades.

📄️Perform one-click firmware and fixpack upgrades

Learn how to upgrade CubeCOS firmware and install fixpacks with one-click updates. Includes step-by-step instructions, rolling upgrades, troubleshooting, and error code reference.

📄️Perform manual upgrades via the CLI

Use the CLI to manually upgrade CubeCOS firmware and fix packs. This includes prerequisite checks, step-by-step commands and verification procedures.