红帽全球峰会4.8. 执行在线数据库更新
有些 overcloud 组件需要其数据库表的在线升级（或迁移）。这包括执行 online_upgrade 外部更新过程。要执行此过程，请针对带有 online_upgrade 标签的任务运行 openstack overcloud external-update run 命令。这会对以下组件执行在线数据库更新：
- OpenStack Block Storage (cinder)
- OpenStack Compute (nova)
流程
Source
stackrc文件：source ~/stackrc
$ source ~/stackrcCopy to Clipboard Copied! Toggle word wrap Toggle overflow 针对使用
online_upgrade标签的任务运行openstack overcloud external-update run命令：openstack overcloud external-update run --tags online_upgrade
$ openstack overcloud external-update run --tags online_upgradeCopy to Clipboard Copied! Toggle word wrap Toggle overflow
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