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ORA-19913: unable to decrypt backup

ORA-19913: unable to decrypt backup
Cause: A backup piece could not be decrypted. This message is accompanied with another message that indicates the name of the encrypted backup that could not be restored. The reason could be either that an invalid password was entered, or that, when using transparent decryption, the database external security device is not open.
Action: If password-based restore was enabled for this backup, then supply the correct password using the RMAN SET DECRYPTION command. If transparent restore was enabled for this backup, then ensure that the database external security device is open.

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小智
ORA-19913:无法解密备份,
.原因:无法解密备份片段。此消息伴有另一条消息,指示无法恢复的加密备份的名称。原因可能是输入了无效的密码,或者在使用透明解密时,数据库外部安全设备未打开。,
.操作:如果为此备份启用了基于密码的还原,则使用RMAN SET DECRYPTION命令提供正确的密码。如果为此备份启用了透明恢复,请确保数据库外部安全设备已打开。,
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