昨天又碰到一例.
归档模式,没有冷/热备份.
一般来说这种情况下把数据文件offline drop然后打开数据库exp数据即可.
这次打开数据库的时候出错:
Errors in file /home/oracle/admin/ora9i/udump/ora9i_ora_1882.trc:
ORA-00604: error occurred at recursive SQL level 2
ORA-00376: file 2 cannot be read at this time
ORA-01110: data file 2: '/data1/oradata/ora9i/undotbs01.dbf'
Wed Sep 29 12:39:23 2004
Error 604 happened during db open, shutting down database
USER: terminating instance due to error 604
Instance terminated by USER, pid = 1882
ORA-1092 signalled during: alter database open...
后来,把隐含参数加上才可以打开数据库.
不过数据丢失应该是必然的了.如果数据量很大的话,新建库imp也会比较痛苦.
备份一定要做好.
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