Oracle Recovery Tools快速恢复断电引起的无法正常启动数据库----惜分飞

由于异常断电,数据库启动报错ORA-01113和ORA-01110，ORA-00322和ORA-00312以及ORA-00314和ORA-00312错误

Mon Apr 17 09:35:04 2023 ALTER DATABASE OPEN Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_10192.trc: ORA-01113: 文件 1 需要介质恢复 ORA-01110: 数据文件 1: 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\SYSTEM01.DBF' ORA-1113 signalled during: ALTER DATABASE OPEN... Mon Apr 17 09:35:05 2023 Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_m000_9788.trc: ORA-00322: 日志 6 (用于线程 1) 不是最新副本 ORA-00312: 联机日志 6 线程 1: 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO06.LOG' Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_m000_9788.trc: ORA-00314: 日志 7 (用于线程 1) 要求的 sequence# 15257 与 15248 不匹配 ORA-00312: 联机日志 7 线程 1: 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO07.LOG'

客户那边技术尝试强制拉库之后,报ORA-00704、ORA-01555等错误,数据库启动失败

Mon Apr 17 10:10:49 2023 alter database open resetlogs RESETLOGS is being done without consistancy checks. This may result in a corrupted database. The database should be recreated. RESETLOGS after incomplete recovery UNTIL CHANGE 3159276957 Resetting resetlogs activation ID 1558785994 (0x5ce92fca) Mon Apr 17 10:11:11 2023 Setting recovery target incarnation to 3 Mon Apr 17 10:11:11 2023 Assigning activation ID 1662170916 (0x6312b724) Thread 1 opened at log sequence 1   Current log# 1 seq# 1 mem# 0: D:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO01.LOG Successful open of redo thread 1 Mon Apr 17 10:11:11 2023 MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set Mon Apr 17 10:11:12 2023 SMON: enabling cache recovery ORA-01555 caused by SQL statement below (SQL ID: 4krwuz0ctqxdt, SCN: 0x0000.bc4ebda4): select ctime, mtime, stime from obj$ where obj# = :1 Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_9324.trc: ORA-00704: 引导程序进程失败 ORA-00704: 引导程序进程失败 ORA-00604: 递归 SQL 级别 1 出现错误 ORA-01555: 快照过旧: 回退段号 10 (名称为 "_SYSSMU10_3905543278$") 过小 Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_9324.trc: ORA-00704: 引导程序进程失败 ORA-00704: 引导程序进程失败 ORA-00604: 递归 SQL 级别 1 出现错误 ORA-01555: 快照过旧: 回退段号 10 (名称为 "_SYSSMU10_3905543278$") 过小 Error 704 happened during db open, shutting down database USER (ospid: 9324): terminating the instance due to error 704 Instance terminated by USER, pid = 9324 ORA-1092 signalled during: alter database open resetlogs...

然后尝试一系列操作,比如重建ctl,再次拉库等等,均未绕过该错误.对于ORA-704 ORA-01555错误,使用开发的小工具Oracle Recovery Tools可以一键式解决,参考处理过的类似文章:Oracle Recovery Tools恢复—ORA-00704 ORA-01555故障,不过最近发布的版本中增加了直接修改内存SCN功能,可以更加快速的解决给问题
 

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修复之后,数据库open成功

SQL> alter database open; 数据库已更改。 SQL> shutdown immediate; 数据库已经关闭。 已经卸载数据库。 ORACLE 例程已经关闭。 SQL> startup pfile='d:/pfile.txt' mount; ORACLE 例程已经启动。 Total System Global Area 1.7170E+10 bytes Fixed Size                  2262088 bytes Variable Size            1.3153E+10 bytes Database Buffers         3959422976 bytes Redo Buffers               54947840 bytes 数据库装载完毕。 SQL> select name from v$datafile where name like '%MISSING%'; NAME -------------------------------------------------------------------------------- D:\APP\ADMINISTRATOR\PRODUCT\11.2.0\DBHOME_1\DATABASE\MISSING00012 D:\APP\ADMINISTRATOR\PRODUCT\11.2.0\DBHOME_1\DATABASE\MISSING00013 已选择2行。

很不幸技术在尝试重建ctl的恢复的过程中遗漏了两个数据库文件,通过Oracle Recovery Tools再次进行恢复
 

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在sqlplus中恢复这两个文件成功

SQL> alter database rename file 'D:\APP\ADMINISTRATOR\PRODUCT\11.2.0\DBHOME_1\DATABASE\MISSING00012'    2 to 'D:\oradata\XIFENFEI_04.DBF'; 数据库已更改。 SQL> alter database rename file 'D:\APP\ADMINISTRATOR\PRODUCT\11.2.0\DBHOME_1\DATABASE\MISSING00013'    2 to 'D:\oradata\XIFENFEI_5.DBF'; 数据库已更改。 SQL> alter database datafile 12,13 online; 数据库已更改。 SQL> SQL> SQL> alter database open ; alter database open * 第 1 行出现错误: ORA-01113: 文件 12 需要介质恢复 ORA-01110: 数据文件 12: 'D:\ORADATA\XIFENFEI_04.DBF' SQL> recover datafile 12; 完成介质恢复。 SQL> recover datafile 13; 完成介质恢复。 SQL> alter database open; 数据库已更改。

至此数据库基本上恢复完成,剩余工作就是逻辑导出导入.