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RMAN备份出现:RMAN-20021:databasenotset

时间:2021-07-01 10:21:17 帮助过:39人阅读

RMAN 备份出现:RMAN-20021: database not set

RMAN> backup full database format '/opt/Oracle/backup/backup_%T_%s_%p.bak';

Starting backup at 01-SEP-11
using channel ORA_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 09/01/2011 00:30:19
RMAN-20021: database not set

RMAN-06031: could not translate database keyword

原因是在另一个窗口将数据库由mount改到open操作引起的:

SQL> ALTER DATABASE OPEN;

此时,RMAN未接获数据库打开的通知,,退出,再从新连入即可解决。

(如果不行尝试设置nls_lang,其实应该不用的)

linux

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