如果任何关键dbspaces(比如根dbspace，这些dbspace包含逻辑日志或物理日志)出错，则必须执行冷还原。

A cold restore has to be done if any of the critical dbspaces (such as root dbspace, dbspaces containing the logical logs, or the physical log) is down.

youdao

为将一个文件备份还原到其原始位置，只需在根处键入以下命令即可

To restore a file backup to its original location, simply key in the following command from root

youdao

为还原到其他位置，从根处键入以下命令。

To restore to a different location, key in the following command from root.

youdao