Chapter 1. Introduction

This document provides a workflow to help keep your Red Hat OpenStack Platform 15 environment updated with the latest packages and containers.

This guide provides an upgrade path through the following versions:

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Old Overcloud Version	New Overcloud Version
Red Hat OpenStack Platform 15	Red Hat OpenStack Platform 15.z

1.1. High level workflow
링크 복사

The following table provides an outline of the steps required for the upgrade process:

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Step	Description
Updating the undercloud	Update the undercloud to the latest OpenStack Platform 15.z version.
Updating the overcloud	Update the overcloud to the latest OpenStack Platform 15.z version.
Updating the Ceph Storage nodes	Upgrade all Ceph Storage services.
Finalize the upgrade	Run the convergence command to refresh your overcloud stack.