红帽全球峰会17.2. OpenStack overcloud 升级运行
这个命令会执行升级过程。director 根据新的 OpenStack Platform 16.2 overcloud 计划创建一组 Ansible playbook，并在整个 overcloud 上运行 fast forward 任务。这包括通过 13 到 16.2 版本来运行升级过程。
除了标准升级过程外，此命令还可在 overcloud 节点上执行操作系统的 Leapp 升级。使用 --tags 选项运行这些任务。
Leapp 升级任务标签
system_upgrade-
合并了
system_upgrade_prepare、system_upgrade_run和system_upgrade_reboot的任务。 system_upgrade_prepare- 使用 Leapp 准备操作系统升级的任务。
system_upgrade_run- 运行 Leapp 和升级操作系统的任务。
system_upgrade_reboot- 重启系统并完成操作系统升级的任务。
用于工作负载迁移的升级任务标签
nova_hybrid_state- 在 Compute 节点上设置临时 OpenStack Platform 16.2 容器的任务，以便在升级过程中促进工作负载迁移。
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