Be absolutely certain to make the backups, understand the copy procedures, and get the permissions repair done, or you'll likely be doing a system reinstall.

一定要确保做好备份，通晓拷贝的流程，修复权限，否则你很可能需要重装系统。

youdao

It will be best to wipe the system and reinstall everything.

最好是格式化系统，然后全部重装。

《柯林斯英汉双解大词典》

Trusted Computing Base is an install-time option only and to enable TCB on an existing AIX machine, you need to reinstall the entire AIX operating system.

可信计算基础只是一个安装时选项，并且若要在现有的AIX计算机上启用TCB，您需要重新安装整个AIX操作系统。

youdao

Mr Le Ray said work to reinstall the system, which was removed at the end of last year, had been delayed by the weather.

BBC: Fog 'causes disruption' at Guernsey Airport