62 You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a

最新推荐文章于 2016-11-24 16:13:09 发布

原创最新推荐文章于 2016-11-24 16:13:09 发布 · 662 阅读

0 ·

CC 4.0 BY-SA版权

本文探讨了在RMAN中启用备份优化并配置基于冗余的保留策略时的行为。当同时使用备份优化和基于冗余的保留策略时，RMAN会考虑该策略来确定哪些数据文件需要被备份。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

62
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a
redundancy-based retention policy:
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
Which statement is true?
A. The command fails because you cannot configure a redundancy-based retention policy when backup
optimization is enabled
B. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it
determines which datafiles should be backed up
C. Backup optimization is permanently disabled

D. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified