红帽全球峰会第 2 章 准备 OpenStack Platform 升级
此过程为您的 OpenStack Platform 环境做好全面更新准备。这涉及以下过程：
- 更新 undercloud 软件包并运行 upgrade 命令
- 如果安装了较新的内核或较新的系统软件包，请重新引导 undercloud
- 使用 overcloud upgrade 命令更新 overcloud
- 如果安装了新的内核或更新的系统软件包，重启 overcloud 节点
- 对 undercloud 和 overcloud 执行验证检查
在进行升级前，这些步骤可确保您的 OpenStack Platform 环境处于最佳状态。
2.1. 执行当前 undercloud 和 overcloud 的小更新
复制链接链接已复制到粘贴板!
升级到 OpenStack Platform 13 之前，您必须将现有环境更新至最新的次版本（本例中为版本 12）。要更新现有的 OpenStack Platform 12 环境，请参阅 "Keeping OpenStack Platform Updated"。
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