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标签归档:ORA-10562
ORA-10562 故障恢复—allow 1 corruption
朋友数据库由于存储变动,导致数据库瞬间hang住,然后直接crash,之后无法正常启动,请求技术支持.
数据库报ORA-00600[2131]错误
不能mount,可以通过重建控制文件解决
Mon Nov 30 20:35:38 2015 alter database mount Mon Nov 30 20:35:38 2015 NOTE: Loaded library: System Mon Nov 30 20:35:38 2015 SUCCESS: diskgroup DATADG was mounted Mon Nov 30 20:35:38 2015 NOTE: dependency between database xifenfei and diskgroup resource ora.DATADG.dg is established Errors in file /u01/app/oracle/diag/rdbms/xifenfei/xifenfei1/trace/xifenfei1_ora_26450.trc (incident=3032256): ORA-00600: internal error code, arguments: [2131], [33], [32], [], [], [], [], [], [], [], [], [] ORA-600 signalled during: alter database mount...
尝试recover数据库
Mon Nov 30 20:45:53 2015 ALTER DATABASE RECOVER database Media Recovery Start started logmerger process Parallel Media Recovery started with 80 slaves Mon Nov 30 20:45:56 2015 Recovery of Online Redo Log: Thread 2 Group 11 Seq 617 Reading mem 0 Mem# 0: +DATADG/xifenfei/redo011.log Recovery of Online Redo Log: Thread 1 Group 4 Seq 5410 Reading mem 0 Mem# 0: +DATADG/xifenfei/redo04.log Recovery of Online Redo Log: Thread 1 Group 5 Seq 5411 Reading mem 0 Mem# 0: +DATADG/xifenfei/redo05.log Mon Nov 30 20:46:07 2015 Recovery of Online Redo Log: Thread 1 Group 6 Seq 5412 Reading mem 0 Mem# 0: +DATADG/xifenfei/redo06.log Mon Nov 30 20:46:13 2015 Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0xC] [PC:0x95FB502, kdxlin()+4088] [flags: 0x0, count: 1] Errors in file /u01/app/oracle/diag/rdbms/xifenfei/xifenfei1/trace/xifenfei1_pr13_30480.trc (incident=3032568): ORA-07445: 出现异常错误: 核心转储 [kdxlin()+4088] [SIGSEGV] [ADDR:0xC] [PC:0x95FB502] [Address not mapped to object] [] Mon Nov 30 20:46:17 2015 Sweep [inc][3032568]: completed Sweep [inc2][3032568]: completed Mon Nov 30 20:46:31 2015 Slave exiting with ORA-10562 exception Errors in file /u01/app/oracle/diag/rdbms/xifenfei/xifenfei1/trace/xifenfei1_pr13_30480.trc: ORA-10562: Error occurred while applying redo to data block (file# 2, block# 165054) ORA-10564: tablespace SYSAUX ORA-01110: 数据文件 2: '+DATADG/xifenfei/datafile/sysaux.265.861925867' ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 271 ORA-00607: 当更改数据块时出现内部错误 ORA-00602: 内部编程异常错误 ORA-07445: 出现异常错误: 核心转储 [kdxlin()+4088] [SIGSEGV] [ADDR:0xC] [PC:0x95FB502] [Address not mapped to object] [] Mon Nov 30 20:46:31 2015 Recovery Slave PR13 previously exited with exception 10562 Mon Nov 30 20:46:33 2015 Checker run found 28 new persistent data failures Mon Nov 30 20:46:35 2015 Media Recovery failed with error 448 Errors in file /u01/app/oracle/diag/rdbms/xifenfei/xifenfei1/trace/xifenfei1_pr00_30400.trc: ORA-00283: 恢复会话因错误而取消 ORA-00448: 后台进程正常结束 ORA-10562 signalled during: ALTER DATABASE RECOVER database ...
通过这里可以看到,由于在recover 操作之时,由于某种原因redo的数据无法apply到file 2 block 165054中,导致数据库recover database失败.
按照数据文件recover操作
SQL> recover datafile 1; Media recovery complete. SQL> recover datafile 3,4,5,6,7; Media recovery complete. SQL> recover datafile 8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28; Media recovery complete. SQL> recover datafile 2; ORA-00283: recovery session canceled due to errors ORA-10562: Error occurred while applying redo to data block (file# 2, block# 165054) ORA-10564: tablespace SYSAUX ORA-01110: data file 2: '+DATADG/xifenfei/datafile/sysaux.265.861925867' ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 271 ORA-00607: Internal error occurred while making a change to a data block ORA-00602: internal programming exception ORA-07445: exception encountered: core dump [kdxlin()+4088] [SIGSEGV] [ADDR:0xC] [PC:0x95FB502] [Address not mapped to object] []
错误提示和recover database一样,那我们只能让恢复跳过该block继续恢复,因为根据经验判断data object# 271不是系统核心对象,不会影响数据库的启动
跳过坏块继续恢复
SQL> recover datafile 2 allow 1 corruption; ORA-00283: recovery session canceled due to errors ORA-00600: internal error code, arguments: [3020], [2], [69793], [8458401], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 2, block# 69793, file offset is 571744256 bytes) ORA-10564: tablespace SYSAUX ORA-01110: data file 2: '+DATADG/xifenfei/datafile/sysaux.265.861925867' ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 272 SQL> recover datafile 2 allow 1 corruption; Media recovery complete. SQL> alter database open; Database altered.
出现了ORA-600[3020] 继续跳过坏块,然后数据库顺利open,别忘记加tempfile
处理异常对象
SQL> select object_name,object_type from dba_objects where data_object_id in(272,271); OBJECT_NAME -------------------------------------------------------------------------------- OBJECT_TYPE ------------------- SMON_SCN_TIME_TIM_IDX INDEX SMON_SCN_TIME_SCN_IDX INDEX SQL> select index_name from dba_indexes where table_name='SMON_SCN_TIME'; INDEX_NAME ------------------------------ SMON_SCN_TIME_TIM_IDX SMON_SCN_TIME_SCN_IDX SQL> set pages 1000 SQL> set long 1000 SQL> Select dbms_metadata.get_ddl('TABLE','SMON_SCN_TIME','SYS') FROM DUAL ; DBMS_METADATA.GET_DDL('TABLE','SMON_SCN_TIME','SYS') -------------------------------------------------------------------------------- CREATE TABLE "SYS"."SMON_SCN_TIME" ( "THREAD" NUMBER, "TIME_MP" NUMBER, "TIME_DP" DATE, "SCN_WRP" NUMBER, "SCN_BAS" NUMBER, "NUM_MAPPINGS" NUMBER, "TIM_SCN_MAP" RAW(1200), "SCN" NUMBER DEFAULT 0, "ORIG_THREAD" NUMBER DEFAULT 0 /* for downgrade */ ) CLUSTER "SYS"."SMON_SCN_TO_TIME_AUX" ("THREAD") SQL> analyze table smon_scn_time validate structure cascade online; analyze table smon_scn_time validate structure cascade online * ERROR at line 1: ORA-01578: ORACLE data block corrupted (file # 2, block # 165054) ORA-01110: data file 2: '+DATADG/xifenfei/datafile/sysaux.265.861925867' SQL> truncate CLUSTER "SYS"."SMON_SCN_TO_TIME_AUX"; Cluster truncated.
关于SMON_SCN_TIME部分处理,可以参考:关于SMON_SCN_TIME若干问题说明.至此数据库基本上恢复完成,而且运气非常好,恢复的非常完美,数据实现0丢失.