QUESTION 30
Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMAN repository can be listed?
(Choose two.)
A. Stored scripts in the recovery catalog
B. Backups that can be deleted from disk
C. Backup sets and images copies that are obsolete
D. Backups that do not have the AVAILABLE status in the RMAN repository
Answer: AD
同264题:http://blog.iyunv.com/rlhua/article/details/18814619
官方参考:http://docs.oracle.com/cd/E11882_01/backup.112/e10643/rcmsynta027.htm#RCMRF132
排除法:BC所表达的意思都是list命令能列出在磁盘上能被删除的备份集等。即obsolete状态。而obsolete状态是用report obsolete列出的。
Table 2-24 Listof Stored Scripts in the Recovery Catalog (LIST SCRIPT NAMES)
ColumnIndicates Script Name
The name of the stored script.
Description
The comment provided when the script was created.
EXPIREDDisplays backup sets, proxy copies, and image copies marked in the repository as EXPIRED, which means they were not found. See Table2-8, "List of Backup Sets (for datafile backup sets)" for a description of the output. To ensure that LIST EXPIRED shows up-to-date output, use a CROSSCHECK command periodically.When you use aCROSSCHECK command, RMAN searches disk and tape for backups and copies recorded in the repository. If it does not find them, then it updates their repository records to status EXPIRED.
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