ocp-242

QUESTION NO: 242
If a backup set is expired, what can you do to correct the problem?
A. Change the retention criteria.
B. Make the lost backup set pieces available to RMAN again.
C. Run the crosscheck command to correct the location for the backup set piece contained in the
metadata.
D. Nothing. The backup set piece is lost forever.
E. Call Oracle support, their assistance is required.
Answer: B
You would make the lost backup set available again by running the crosscheck command once the
backup set piece becomes available on the backup media.

如果备份集过期，你能做些什么来解决问题？

答案 B.再次使丢失的备份集片对RMAN可用

C选择项执行交叉检查命令纠正在元数据中包含的备份集片的位置。 这种说法不对。

您通过运行交叉检查命令一次将丢失的备份集再次设为可用， 备份介质上的备份集片变为可用。