你不能启动数据库实例，因为所需的数据库文件丢失。

C. You are not able to start up the database instance because the required database files are missing.

youdao

还可以将机器1配置在TS A高可用性集群中，但是不启动数据库实例。

It could also be the case that machine 1 is configured to be part of a TSA high availability cluster, but the database instance isn't started.

youdao

若要禁用 SAP 设置上运行的 DB2，就只要将 DB2_WORKLOAD 注册表变量设置为 NULL，并重新启动数据库实例。

To disable DB2 to run on the SAP setting, simply set the DB2_WORKLOAD registry variable to NULL and restart the database instance.

youdao