红帽全球峰会72.42. 服务器调整大小
将服务器扩展为新类别。通过创建新服务器并将原始磁盘的内容复制到新磁盘，来实施调整大小的操作。用户是一个两步过程：第一步是执行调整大小，第二步是确认（验证）成功并释放旧服务器，或者声明恢复以释放新服务器并重新启动旧服务器。
使用方法：
openstack server resize [-h] [--flavor <flavor> | --confirm | --revert]
[--wait]
<server>
openstack server resize [-h] [--flavor <flavor> | --confirm | --revert]
[--wait]
<server>| value | Summary |
|---|---|
| <server> | server （名称或 id） |
| value | Summary |
|---|---|
| -h, --help | 显示帮助信息并退出 |
| --flavor <flavor> | 将 server 的大小调整为指定的类别 |
| --confirm | 确认服务器调整大小已完成 |
| --revert | 在调整大小前恢复服务器状态 |
| --wait | 等待调整大小完成 |
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