A. Either all the copies of a backup set are obsolete or none of them are as per the retention policy.
B. The copies of the backup will be reported as obsolete under a redundancy-based backup retention policy.
C. The copies of the backup will be reported as obsolete under a recovery window-based backup retention policy.
D. All the copies of the backup set are counted as one instance of a backup and will deleted in backup set exceeds the redundancy-based backup retention policy.
答案:(A)
解析:
rman的冗余策略是针对所以的备份集而言,所以要么是所有的背景集是过时的,要么没有说备份集的其中的某一个数据文件是过时的
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