BACKUP... VALIDATE、VALIDATE and RESTORE VALIDATE

1. BACKUP... VALIDATE(在备份之前检查将要备份的文件的完整性和正确性)

Using the RMAN BACKUP... VALIDATE command causes RMAN to read all of the specified
database files that would be input for a specific backup task, without actually producing
any backups as output.
使用RMAN BACKUP... VALIDATE命令引起RMAN读取指定数据库的所有文件作为一个特定
备份任务的输入，但是不输出任何实际的备份
For example, BACKUP DATABASE VALIDATE causes RMAN to read all files that would be
backed up in backing up the entire database and ensure that they are intact and not
corrupted. All of the data blocks in the input files are validated, exactly as they are when
a real backup takes place. This process can provide a useful integrity check for your
database.
例如,BACKUP DATABASE VALIDATE引起RMAN读取整个数据库的将要备份的所有文件
并确保这些文件是完好的、未损坏的。所有输入文件的数据块都经过验证，实际的
备份发生时保证他们是正确的。这个过程可以为你的数据库提供有用的完整性检查

2.Validating RMAN Backups: VALIDATE and RESTORE VALIDATE(是RECOVERY PLAN的一部分，是RECOVERY 前的验证操作)

The RMAN VALIDATE and RESTORE VALIDATE commands should be part of ongoing
testing of your recovery plan.
RMAN VALIDATE 和 RESTORE VALIDATE命令应该是你恢复计划继续测试的一部分

 
VALIDATE causes RMAN to read specified backups on disk or tape and report whether
they are intact and usable in a restore operation.
VALIDATE引起RMAN读取磁盘或者磁带上的指定备份并报告他们在RESTORE操作时是否
完好和可用

RESTORE... VALIDATE causes RMAN to check whether the set of available backups is
sufficient to restore the specified database objects.
RESTORE... VALIDATE引起RAMN检查一组可用备份是否足够满足还原一个指定数据库的
对象

最后

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