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  • 052-87

    You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The Flash Recovery Area is specified as the destination for the archived redo log files. You notice this warning in the alert log file:
    ORA-19815: WARNING: db_recovery_file_dest_size of 3221225472 bytes is 100.00% used, and has 0 remaining bytes available.
    What would you do to reclaim the used space in the Flash Recovery Area? (Choose two.)
    A.Back up the Flash Recovery Area.
    B.Decrease the retention time for the database backup and flashback log files.
    C.Manually delete all the archived log files from the Flash Recovery Area by using operating system (OS) commands.
    D.Manually delete all the expired backup sets from the Flash Recovery Area by using operating system (OS) commands.

      fra 中的文件时 oracle 自动管理的,手动删除文件后,oracle 并不会识别,因此不会释放空间,所以 CD 是错误的,如果想手动删除,那么需要在操作系统上执行 crosscheck 或者将 expired 的备份删除。


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  • 原文地址:https://www.cnblogs.com/Babylon/p/8022609.html
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