ORA-12801: Background Media Recovery terminated with error 12801

standby数据库服务器断电,重新启动后发现无法应用归档日志了。
日志中记录:

Thu Nov 08 14:17:48 2018
Errors in file s:\oracle\prd\saptrace\background\prd_p000_4760.trc:
ORA-00600: internal error code, arguments: [3020], [130], [304539], [545564059], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 130, block# 304539)
ORA-10564: tablespace PSAPUNDO
ORA-01110: data file 130: 'S:\ORACLE\PRD\SAPDATA1\UNDO_3\UNDO.DATA3'
ORA-10560: block type 'KTU UNDO BLOCK'

Thu Nov 08 14:18:09 2018
MRP0: Background Media Recovery terminated with error 12801
Thu Nov 08 14:18:09 2018
Errors in file s:\oracle\prd\saptrace\background\prd_mrp0_4436.trc:
ORA-12801: error signaled in parallel query server P000
ORA-00600: internal error code, arguments: [3020], [130], [304539], [545564059], [], [], [], []
ORA-10567: Redo is inconsistent with data block (

看来是意外断电导致了文件损坏,开始想用chkdsk修复一下,结果一运行发现文件太多,要很长很长时间,放弃。
后来再试recover database, 失败。
有建议Rman做备份,然后还原,可是数据库很大,来一通要很长时间,放弃。

于是想用偷懒的方法。
停止备份机的oracle服务,将生产机上的undo.data3文件拷贝到备份机上覆盖,重新启动oracle,日志开始正常应用,居然成了。

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转载自blog.csdn.net/samson_www/article/details/83893156
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