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ORA-00600: internal error code, arguments:[kcratr_nab_less_than_odr]
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ORA-00600: internal error code, arguments:[kcratr_nab_less_than_odr]
SQL> startup; ORACLE instance started. Total System Global Area 1419685888 bytes Fixed Size 2288344 bytes Variable Size 536872232 bytes Database Buffers 872415232 bytes Redo Buffers 8110080 bytes Database mounted. ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] SQL> recover database; Media recovery complete. SQL> alter database open; alter database open * ERROR at line 1: ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] SQL> SQL> oradebug setmypid Statement processed. SQL> oradebug tracefile_name /s01/diag/rdbms/mac/MAC_1/trace/MAC_1_ora_8585.trc ---------------------------------------------- WARNING! Crash recovery of thread 2 seq 38 is ending at redo block 4248 but should not have ended before redo block 4250 Incident 19490 created, dump file: /s01/diag/rdbms/mac/MAC_1/incident/incdir_19490/MAC_1_ora_8585_i19490.trc ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] 2013-07-07 01:01:41.295135 : Abort recovery for domain 0, flags = 0x4 2013-07-07 01:01:41.295177 : kjb_abort_recovery: domain flags=0x0, valid=0 ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] 2013-07-07 01:01:41.295860 : Abort recovery for domain 0, flags = 0x4 2013-07-07 01:01:41.295876 : aborting recovery of 0 (0) with cluster inc 2 (0) recovery 1 2013-07-07 01:01:41.295890 : kjb_abort_recovery: domain flags=0x0, valid=0 ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] *** 2013-07-07 01:01:51.235 *** 2013-07-07 01:01:51.235800 13917 dbsdrv.c Successfully allocated 2 recovery slaves Parallel Media Recovery started with 2 slaves *** 2013-07-07 01:02:07.397 Slave# 3: PR01 exited Slave# 2: PR02 exited Slave# 1: PR00 exited ksvp2penabled: ep->flg = 0, rpr->slv_flg = 0 ksvp2penabled: ep = 0x7f9d0f67fe98, rpr = 0xb4da61c8 *** 2013-07-07 01:02:11.666 2013-07-07 01:02:11.666458 : Start recovery for domain=0, valid=0, flags=0x4 Successfully allocated 2 recovery slaves Using 67 overflow buffers per recovery slave Thread 2 checkpoint: logseq 38, block 2, scn 2678499 cache-low rba: logseq 38, block 3797 on-disk rba: logseq 38, block 4250, scn 2679872 start recovery at logseq 38, block 3797, scn 0 Thread 1 checkpoint: logseq 35, block 2, scn 2661821 cache-low rba: logseq 35, block 52000 on-disk rba: logseq 35, block 52006, scn 2679836 start recovery at logseq 35, block 52000, scn 0 *** 2013-07-07 01:02:11.696 Started writing zeroblks thread 1 seq 35 blocks 52006-52013 WARNING! Crash recovery of thread 2 seq 38 is ending at redo block 4248 but should not have ended before redo block 4250 Incident 19491 created, dump file: /s01/diag/rdbms/mac/MAC_1/incident/incdir_19491/MAC_1_ora_8585_i19491.trc ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] 2013-07-07 01:02:12.266277 : Abort recovery for domain 0, flags = 0x4 2013-07-07 01:02:12.266316 : kjb_abort_recovery: domain flags=0x0, valid=0 ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] 2013-07-07 01:02:12.266546 : Abort recovery for domain 0, flags = 0x4 2013-07-07 01:02:12.266566 : aborting recovery of 0 (0) with cluster inc 2 (0) recovery 1 2013-07-07 01:02:12.266578 : kjb_abort_recovery: domain flags=0x0, valid=0 ORA-00600: internal error code, arguments: [kcratr_nab_less_than_odr], [2], [38], [4248], [4250], [], [], [], [], [], [], [] SQL> oradebug setmypid Statement processed. SQL> oradebug dump controlf 3; Statement processed. SQL> oradebug tracefile_name /s01/diag/rdbms/mac/MAC_1/trace/MAC_1_ora_8898.trc low cache rba:(0x26.ed5.0) on disk rba:(0x26.109a.0) on disk scn: 0x0000.0028e440 07/06/2013 13:11:33
原因是读取thread 2的redo logfile发现其仅写到4248个块, 但实际control中记录ON DISK DBA该为109a 即4250。
尝试重建控制文件:
SQL> alter database backup controlfile to trace; Database altered. SQL> alter system set cluster_database=false scope=spfile; System altered. SQL> startup force nomount; ORACLE instance started. Total System Global Area 1419685888 bytes Fixed Size 2288344 bytes Variable Size 536872232 bytes Database Buffers 872415232 bytes Redo Buffers 8110080 bytes CREATE CONTROLFILE REUSE DATABASE "MAC" NORESETLOGS NOARCHIVELOG MAXLOGFILES 192 MAXLOGMEMBERS 3 MAXDATAFILES 1024 MAXINSTANCES 32 MAXLOGHISTORY 292 LOGFILE GROUP 1 ( '+DATADG/MAC/ONLINELOG/group_1.263.819691857', '+DATADG/MAC/ONLINELOG/group_1.264.819691859' ) SIZE 50M BLOCKSIZE 512, GROUP 2 ( '+DATADG/MAC/ONLINELOG/group_2.265.819691861', '+DATADG/MAC/ONLINELOG/group_2.266.819691861' ) SIZE 50M BLOCKSIZE 512, GROUP 3 ( '+DATADG/MAC/ONLINELOG/group_3.272.819692415', '+DATADG/MAC/ONLINELOG/group_3.273.819692417' ) SIZE 50M BLOCKSIZE 512, GROUP 4 ( '+DATADG/MAC/ONLINELOG/group_4.274.819692419', '+DATADG/MAC/ONLINELOG/group_4.275.819692421' ) SIZE 50M BLOCKSIZE 512 -- STANDBY LOGFILE DATAFILE '+DATADG/MAC/DATAFILE/system.258.819691771', '+DATADG/MAC/DATAFILE/sysaux.257.819691725', '+DATADG/MAC/DATAFILE/undotbs1.260.819691817', '+DATADG/MAC/DD7C48AA5A4404A2E04325AAE80A403C/DATAFILE/system.269.819691869', '+DATADG/MAC/DATAFILE/users.259.819691817', '+DATADG/MAC/DD7C48AA5A4404A2E04325AAE80A403C/DATAFILE/sysaux.268.819691869', '+DATADG/MAC/DATAFILE/undotbs2.271.819692307', '+DATADG/MAC/DD7D8C1D4C234B38E04325AAE80AF577/DATAFILE/system.279.819692587', '+DATADG/MAC/DD7D8C1D4C234B38E04325AAE80AF577/DATAFILE/sysaux.277.819692585', '+DATADG/MAC/DD7D8C1D4C234B38E04325AAE80AF577/DATAFILE/users.280.819692587', '+DATADG/MAC/DD7D8C1D4C234B38E04325AAE80AF577/DATAFILE/example.278.819692585' CHARACTER SET AL32UTF8 ; RECOVER DATABASE -- Database can now be opened normally. alter system set cluster_database=true scope=spfile; startup force mount; ALTER DATABASE OPEN; -- Open all the PDBs. ALTER PLUGGABLE DATABASE ALL OPEN; -- Commands to add tempfiles to temporary tablespaces. -- Online tempfiles have complete space information. -- Other tempfiles may require adjustment. ALTER TABLESPACE TEMP ADD TEMPFILE '+DATADG/MAC/TEMPFILE/temp.267.819691865' REUSE; ALTER SESSION SET CONTAINER = PDB$SEED; ALTER TABLESPACE TEMP ADD TEMPFILE '+DATADG/MAC/DD7C48AA5A4404A2E04325AAE80A403C/DATAFILE/pdbseed_temp01.dbf' REUSE; ALTER SESSION SET CONTAINER = MACC; ALTER TABLESPACE TEMP ADD TEMPFILE '+DATADG/MAC/DD7D8C1D4C234B38E04325AAE80AF577/DATAFILE/macc_temp01.dbf' REUSE; ALTER SESSION SET CONTAINER = CDB$ROOT;
重建控制文件后问题消失, 主要问题还是 主机断电对redo logfile的写丢失, 而控制文件却更新了on disk rba,导致控制文件中的RBA大于redo logfile中实际存在的, 通过重建控制文件后2者一致 从而问题消失。