从丢失的联机重做日志组的成员中进行恢复。

Recovering from the loss of one member of an online redo log group.

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您可以在数据库上启用归档日志记录模式，并开始联机备份数据库以及备份数据库中的一组表空间。

You can enable archive logging mode on the database and start taking online backups of the database as well as backups of a set of table Spaces in the database.

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表明例程恢复不再需要联机重做日志组，它可能已经归档也可能未归档。

INACTIVE - Log is no longer needed for instance recovery. It may be in use for media recovery. It might or might not be archived.

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