Oracle 19c异常恢复—ORA-01209/ORA-65088

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:Oracle 19c异常恢复—ORA-01209/ORA-65088

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

由于raid卡bug故障,导致文件系统异常,从而使得数据库无法正常启动,客户找到我之前已经让多人分析,均未恢复成功,查看alert日志,发现他们恢复的时候尝试resetlogs库,然后报ORA-600 kcbzib_kcrsds_1错误

2024-09-15T17:07:32.553215+08:00
alter database open resetlogs
2024-09-15T17:07:32.569110+08:00
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 274757454692 time 
.... (PID:8074): Clearing online redo logfile 1 /opt/oracle/oradata/XFF/onlinelog/o1_mf_1_j3k201g9_.log
.... (PID:8074): Clearing online redo logfile 2 /opt/oracle/oradata/XFF/onlinelog/o1_mf_2_j3k201h3_.log
.... (PID:8074): Clearing online redo logfile 3 /opt/oracle/oradata/XFF/onlinelog/o1_mf_3_j3k201hk_.log
Clearing online log 1 of thread 1 sequence number 0
Clearing online log 2 of thread 1 sequence number 0
Clearing online log 3 of thread 1 sequence number 0
2024-09-15T17:07:34.939550+08:00
.... (PID:8074): Clearing online redo logfile 1 complete
.... (PID:8074): Clearing online redo logfile 2 complete
.... (PID:8074): Clearing online redo logfile 3 complete
Online log /opt/oracle/oradata/XFF/onlinelog/o1_mf_1_j3k201g9_.log: Thread 1 Group 1 was previously cleared
Online log /opt/oracle/fast_recovery_area/XFF/onlinelog/o1_mf_1_j3k201l4_.log: Thread 1 Group 1 was previously cleared
Online log /opt/oracle/oradata/XFF/onlinelog/o1_mf_2_j3k201h3_.log: Thread 1 Group 2 was previously cleared
Online log /opt/oracle/fast_recovery_area/XFF/onlinelog/o1_mf_2_j3k201kw_.log: Thread 1 Group 2 was previously cleared
Online log /opt/oracle/oradata/XFF/onlinelog/o1_mf_3_j3k201hk_.log: Thread 1 Group 3 was previously cleared
Online log /opt/oracle/fast_recovery_area/XFF/onlinelog/o1_mf_3_j3k201mt_.log: Thread 1 Group 3 was previously cleared
2024-09-15T17:07:34.966674+08:00
Setting recovery target incarnation to 2
2024-09-15T17:07:34.992357+08:00
Ping without log force is disabled:
  instance mounted in exclusive mode.
Buffer Cache Full DB Caching mode changing from FULL CACHING DISABLED to FULL CACHING ENABLED 
2024-09-15T17:07:34.994329+08:00
Crash Recovery excluding pdb 2 which was cleanly closed.
2024-09-15T17:07:34.994390+08:00
Crash Recovery excluding pdb 3 which was cleanly closed.
2024-09-15T17:07:34.994433+08:00
Crash Recovery excluding pdb 4 which was cleanly closed.
2024-09-15T17:07:34.994474+08:00
Crash Recovery excluding pdb 5 which was cleanly closed.
Initializing SCN for created control file
Database SCN compatibility initialized to 3
Endian type of dictionary set to little
2024-09-15T17:07:35.001752+08:00
Assigning activation ID 2966012017 (0xb0c9c071)
Redo log for group 1, sequence 1 is not located on DAX storage
2024-09-15T17:07:35.015921+08:00
TT00 (PID:8113): Gap Manager starting
2024-09-15T17:07:35.034047+08:00
Thread 1 opened at log sequence 1
  Current log# 1 seq# 1 mem# 0: /opt/oracle/oradata/XFF/onlinelog/o1_mf_1_j3k201g9_.log
  Current log# 1 seq# 1 mem# 1: /opt/oracle/fast_recovery_area/XFF/onlinelog/o1_mf_1_j3k201l4_.log
Successful open of redo thread 1
2024-09-15T17:07:35.034573+08:00
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
stopping change tracking
2024-09-15T17:07:35.063726+08:00
TT03 (PID:8119): Sleep 5 seconds and then try to clear SRLs in 2 time(s)
2024-09-15T17:07:35.129748+08:00
Undo initialization recovery: Parallel FPTR failed: start:2528681 end:2528684 diff:3 ms (0.0 seconds)
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_8074.trc  (incident=146455) (PDBNAME=CDB$ROOT):
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /opt/oracle/diag/rdbms/xff/XFF/incident/incdir_146455/XFF_ora_8074_i146455.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Please look for redo dump in pinned buffers history in incident trace file, if not dumped for what so ever reason,
use the following command to dump it at the earliest. ALTER SYSTEM DUMP REDO DBA MIN 4 128 DBA MAX 4 128 SCN MIN 1;
*****************************************************************
An internal routine has requested a dump of selected redo.
This usually happens following a specific internal error, when
analysis of the redo logs will help Oracle Support with the
diagnosis.
It is recommended that you retain all the redo logs generated (by
all the instances) during the past 12 hours, in case additional
redo dumps are required to help with the diagnosis.
*****************************************************************
Undo initialization recovery: err:600 start: 2528681 end: 2529341 diff: 660 ms (0.7 seconds)
2024-09-15T17:07:35.786923+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_8074.trc:
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
2024-09-15T17:07:35.786967+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_8074.trc:
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
Error 600 happened during db open, shutting down database
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_8074.trc  (incident=146456) (PDBNAME=CDB$ROOT):
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /opt/oracle/diag/rdbms/xff/XFF/incident/incdir_146456/XFF_ora_8074_i146456.trc
2024-09-15T17:07:36.291884+08:00
opiodr aborting process unknown ospid (8074) as a result of ORA-603
2024-09-15T17:07:36.299928+08:00
ORA-603 : opitsk aborting process
License high water mark = 4
USER(prelim) (ospid: 8074): terminating the instance due to ORA error 600

然后他们又重建了ctl,通过Oracle数据库异常恢复检查脚本(Oracle Database Recovery Check)检查,发现几个问题:
1. PDB$SEED不在该库记录中(由于该pdb中无业务数据,可以忽略)
pdb


2. 部分文件resetlogs 信息不正确(应该是对部分文件offline或者重建ctl的时候没有带上他们)
resetlogs-scn

接手该库进行恢复,尝试resetlogs该库

[oracle@localhost check_db]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Sep 17 11:29:28 2024
Version 19.9.0.0.0

Copyright (c) 1982, 2020, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.9.0.0.0

SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-65088: database open should be retried
Process ID: 101712
Session ID: 105 Serial number: 4711

对应的alert日志报错

Endian type of dictionary set to little
2024-09-17T11:29:46.691904+08:00
Assigning activation ID 2966261119 (0xb0cd8d7f)
Redo log for group 1, sequence 1 is not located on DAX storage
2024-09-17T11:29:46.714594+08:00
TT00 (PID:101731): Gap Manager starting
2024-09-17T11:29:46.735407+08:00
Thread 1 opened at log sequence 1
  Current log# 1 seq# 1 mem# 0: /opt/oracle/oradata/XFF/onlinelog/o1_mf_1_j3k201g9_.log
Successful open of redo thread 1
2024-09-17T11:29:46.736182+08:00
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
stopping change tracking
2024-09-17T11:29:46.774207+08:00
TT03 (PID:101737): Sleep 5 seconds and then try to clear SRLs in 2 time(s)
2024-09-17T11:29:46.793381+08:00
Undo initialization recovery: Parallel FPTR complete: start:99831350 end:99831351 diff:1 ms (0.0 seconds)
Undo initialization recovery: err:0 start: 99831349 end: 99831351 diff: 2 ms (0.0 seconds)
Undo initialization online undo segments: err:0 start: 99831351 end: 99831353 diff: 2 ms (0.0 seconds)
Undo initialization finished serial:0 start:99831349 end:99831356 diff:7 ms (0.0 seconds)
Dictionary check beginning
2024-09-17T11:29:46.817810+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_101712.trc:
ORA-65106: Pluggable database #2 (PDB$SEED) is in an invalid state.
Pluggable Database PDB$SEED (#2) found in data dictionary,
but not in the control file. Adding it to control file.
Pluggable Database PDB1 (#3) found in data dictionary,
but not in the control file. Adding it to control file.
Pluggable Database PDB2 (#4) found in data dictionary,
but not in the control file. Adding it to control file.
Pluggable Database PDB3 (#5) found in data dictionary,
but not in the control file. Adding it to control file.
Tablespace 'TEMP' #3 found in data dictionary,
but not in the controlfile. Adding to controlfile.
2024-09-17T11:29:46.878684+08:00
Read of datafile '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_system_j3kc9hl0_.dbf'(fno 9)header failed with ORA-01209
Rereading datafile 9 header failed with ORA-01209
2024-09-17T11:29:46.921314+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_dbw0_100632.trc:
ORA-01186: file 9 failed verification tests
ORA-01122: database file 9 failed verification check
ORA-01110: data file 9: '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_system_j3kc9hl0_.dbf'
ORA-01209: data file is from before the last RESETLOGS
File 9 not verified due to error ORA-01122
…………
Read of datafile '/opt/oracle/oradata/XFF/datafile/users07.dbf' (fno 39) header failed with ORA-01209
Rereading datafile 39 header failed with ORA-01209
2024-09-17T11:29:46.983955+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_dbw0_100632.trc:
ORA-01186: file 39 failed verification tests
ORA-01122: database file 39 failed verification check
ORA-01110: data file 39: '/opt/oracle/oradata/XFF/datafile/users07.dbf'
ORA-01209: data file is from before the last RESETLOGS
File 39 not verified due to error ORA-01122
2024-09-17T11:29:46.987947+08:00
Dictionary check complete
Verifying minimum file header compatibility for tablespace encryption for pdb 1..
Verifying file header compatibility for tablespace encryption completed for pdb 1
*********************************************************************
WARNING: The following temporary tablespaces in container(CDB$ROOT)
         contain no files.
         This condition can occur when a backup controlfile has
         been restored.  It may be necessary to add files to these
         tablespaces.  That can be done using the SQL statement:
 
         ALTER TABLESPACE <tablespace_name> ADD TEMPFILE
 
         Alternatively, if these temporary tablespaces are no longer
         needed, then they can be dropped.
           Empty temporary tablespace: TEMP
*********************************************************************
Database Characterset is AL32UTF8
2024-09-17T11:29:47.059806+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_mz00_101739.trc:
ORA-01110: data file 9: '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_system_j3kc9hl0_.dbf'
ORA-01209: data file is from before the last RESETLOGS
…………
**********************************************************
WARNING: Files may exists in db_recovery_file_dest
that are not known to the database. Use the RMAN command
CATALOG RECOVERY AREA to re-catalog any such files.
If files cannot be cataloged, then manually delete them
using OS command.
One of the following events caused this:
1. A backup controlfile was restored.
2. A standby controlfile was restored.
3. The controlfile was re-created.
4. db_recovery_file_dest had previously been enabled and
   then disabled.
**********************************************************
Starting background process IMCO
2024-09-17T11:29:47.340660+08:00
2024-09-17T11:29:47.382153+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_mz00_101739.trc:
ORA-01110: data file 13: '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_users_j3kckos2_.dbf'
ORA-01209: data file is from before the last RESETLOGS
replication_dependency_tracking turned off (no async multimaster replication found)
LOGSTDBY: Validating controlfile with logical metadata
LOGSTDBY: Validation complete
2024-09-17T11:29:47.464233+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_mz00_101739.trc:
ORA-01110: data file 14: '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_users_j3kckqfx_.dbf'
ORA-01209: data file is from before the last RESETLOGS
AQ Processes can not start in restrict mode
Could not open PDB$SEED error=65106
2024-09-17T11:29:47.522825+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_101712.trc:
ORA-65106: Pluggable database #2 (PDB$SEED) is in an invalid state.
ORA-65106: Pluggable database #2 (PDB$SEED) is in an invalid state.
2024-09-17T11:29:47.525249+08:00
db_recovery_file_dest_size of 65536 MB is 0.05% used. This is a
user-specified limit on the amount of space that will be used by this
database for recovery-related files, and does not reflect the amount of
space available in the underlying filesystem or ASM diskgroup.
2024-09-17T11:29:47.529134+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_101712.trc:
ORA-65088: database open should be retried
2024-09-17T11:29:47.529202+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_101712.trc:
ORA-65088: database open should be retried
2024-09-17T11:29:47.529253+08:00
Error 65088 happened during db open, shutting down database
2024-09-17T11:29:47.545440+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_mz00_101739.trc:
ORA-01110: data file 15: '/opt/oracle/oradata/XFF/PDB/datafile/o1_mf_users_j3kckstd_.dbf'
ORA-01209: data file is from before the last RESETLOGS
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_ora_101712.trc(incident=775863)(PDBNAME=CDB$ROOT):
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-65088: database open should be retried
2024-09-17T11:29:48.046698+08:00
Errors in file /opt/oracle/diag/rdbms/xff/XFF/trace/XFF_mz00_101739.trc:
ORA-01110: data file 21: '/opt/oracle/oradata/XFF/PDB2/datafile/o1_mf_users_j45x90oq_.dbf'
ORA-01209: data file is from before the last RESETLOGS
2024-09-17T11:29:48.073328+08:00
opiodr aborting process unknown ospid (101712) as a result of ORA-603
2024-09-17T11:29:48.081576+08:00
ORA-603 : opitsk aborting process
License high water mark = 122
USER(prelim) (ospid: 101712): terminating the instance due to ORA error 65088
2024-09-17T11:29:49.104770+08:00
Instance terminated by USER(prelim), pid = 101712

主要错误有两个
ORA-01209: data file is from before the last RESETLOGS 和
ORA-65088: database open should be retried
通过分析这两个错误

[oracle@ora19c:/home/oracle]$ oerr ora 65088
65088, 00000, "database open should be retried"
// *Cause:   An inconsistency between the control file and the data dictionary
//           was found and fixed during the database open. The database open
//           needs to be executed again.
// *Action:  Retry the database open.
//
[oracle@ora19c:/home/oracle]$ oerr ora 01209
01209, 00000, "data file is from before the last RESETLOGS"   
// *Cause:  The reset log data in the file header does not match the   
//         control file. If the database is closed or the file is offline,  
//         the backup is old because it was taken before the last ALTER   
//         DATABASE OPEN RESETLOGS command. If opening a database that is   
//         open already by another instance, or if another instance just   
//         brought this file online, the file accessed by this instance is 
//         probably a different version. Otherwise, a backup of the file 
//         probably was restored while the file was in use.   
// *Action: Make the correct file available to the database. Then, either open
//         the database, or execute ALTER SYSTEM CHECK DATAFILES.  

ORA-65088参见官方:ORA-65088 while opening DB with resetlogs for multi-tenant DB in 12.2 (Doc ID 2449591.1),应该不是一个技术问题(由于重建ctl+resetlogs导致)
ORA-01209: data file is from before the last RESETLOGS 这个错误,可以简单理解resetlogs的信息比数据文件的checkpoint信息新,对于这种情况,以及结合上述的部分文件resetlogs信息不一致问题,索性直接使用m_scn小工具对其进行批量
m_scn


再次使用Oracle数据库异常恢复检查脚本(Oracle Database Recovery Check)检查,确认resetlogs 问题修复
resetlogs

然后顺利打开数据库,并导出数据,完成本次恢复任务

ORA-600 16703故障再现

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:ORA-600 16703故障再现

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

从第一次发现ORA-600 16703(警告:互联网中有oracle介质被注入恶意程序导致—ORA-600 16703)至今已经7年多时间了,最近依旧有客户中招,提醒各位注意该问题

Sat Sep 14 21:43:29 2024
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Sat Sep 14 21:43:29 2024
SMON: enabling cache recovery
Errors in file D:\ORACLE\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_6264.trc  (incident=8561):
ORA-00600: 内部错误代码, 参数: [16703], [1403], [20], [], [], [], [], [], [], [], [], []
Incident details in: D:\ORACLE\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\incident\incdir_8561\orcl_ora_6264_i8561.trc
Sat Sep 14 21:43:31 2024
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file D:\ORACLE\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_6264.trc:
ORA-00704: 引导程序进程失败
ORA-00704: 引导程序进程失败
ORA-00600: 内部错误代码, 参数: [16703], [1403], [20], [], [], [], [], [], [], [], [], []
Errors in file D:\ORACLE\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_ora_6264.trc:
ORA-00704: 引导程序进程失败
ORA-00704: 引导程序进程失败
ORA-00600: 内部错误代码, 参数: [16703], [1403], [20], [], [], [], [], [], [], [], [], []
Error 704 happened during db open, shutting down database
USER (ospid: 6264): terminating the instance due to error 704
Instance terminated by USER, pid = 6264
ORA-1092 signalled during: alter database open...
opiodr aborting process unknown ospid (6264) as a result of ORA-1092

由于此类故障出现较多,破坏性加大,对其进行了深入的研究,在没有破坏现场的情况下,通过对tab$进行直接重建,实现数据库完美恢复(数据0丢失,数据库无需逻辑迁移[原库直接可用])
ora-600-16703


以前关于此类报错的文章:
10g数据库遭遇ORA-600 16703
12C数据库遭遇ORA-600 16703
ORA-600 kzrini:!uprofile处理
ORA-600 16703故障解析—tab$表被清空
近期又遇到ORA-600 16703和ORA-702故障
ORA-00600: internal error code, arguments: [16703], [1403], [4] 原因
tab$异常被处理之后报ORA-600 13304故障处理
最近遇到几起ORA-600 16703故障(tab$被清空),请引起重视
ORA-600 16703直接把orachk备份表插入到tab$恢复
警告:互联网中有oracle介质被注入恶意程序导致—ORA-600 16703
aix平台tab$被删除可能出现ORA-600 [16703], [1403], [28]错误
ORA-00600: internal error code, arguments: [16703], [1403], [4] 故障处理
ORA-00600: internal error code, arguments: [16703], [1403], [32]
ORA-600 16703故障,客户找人恢复数据库,数据库被进一步恶意破坏—ORA-00704 ORA-00922
尽可能不要从互联网下载Oracle安装介质和Patch,避免被注入恶意脚本,并检查已经存在的安装介质的sha256码

ORA-600 krhpfh_03-1210故障处理

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:ORA-600 krhpfh_03-1210故障处理

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

rac数据库多个节点均处于open状态,数据查询正常,但是应用入库有些时候会失败报类似ORA-01187: cannot read from file because it failed verification tests错误:
ora-01187


故障最初原因是由于有坏盘,换盘之后,有两个节点数据实例crash

Mon Aug 19 21:16:47 2024
Read of datafile '+DATA/xifenfei99.dbf' (fno 1399) header failed with ORA-01207
Rereading datafile 1399 header failed with ORA-01207
Errors in file /u01/app/oracle/diag/rdbms/xff/xff5/trace/xff5_ckpt_75779.trc:
ORA-01242: data file suffered media failure: database in NOARCHIVELOG mode
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
Errors in file /u01/app/oracle/diag/rdbms/xff/xff5/trace/xff5_ckpt_75779.trc:
ORA-01242: data file suffered media failure: database in NOARCHIVELOG mode
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
CKPT (ospid: 75779): terminating the instance due to error 1242
Mon Aug 19 21:16:47 2024
System state dump requested by (instance=5, osid=75779 (CKPT)), summary=[abnormal instance termination].
System State dumped to trace file /u01/app/oracle/diag/rdbms/xff/xff5/trace/xff5_diag_75725.trc
Mon Aug 19 21:16:52 2024
ORA-1092 : opitsk aborting process
Mon Aug 19 21:16:53 2024
ORA-1092 : opitsk aborting process
Mon Aug 19 21:16:53 2024
License high water mark = 131
Termination issued to instance processes. Waiting for the processes to exit
Mon Aug 19 21:17:02 2024
Instance termination failed to kill one or more processes
Instance terminated by CKPT, pid = 75779
Mon Aug 19 21:17:03 2024
USER (ospid: 33495): terminating the instance
Termination issued to instance processes. Waiting for the processes to exit
Mon Aug 19 21:17:13 2024
Instance termination failed to kill one or more processes
Instance terminated by USER, pid = 33495

但是数据库人工启动成功,查询所有数据文件均处于online状态
20240820-182825


可是有部分入库进程非常慢大量等待在enq:HW – contention
20240826-120804

所有数据库节点alert日志偶尔报ORA-01186: file 1399 failed verification tests等错

Tue Aug 20 21:30:02 2024
Read of datafile '+DATA/xifenfei99.dbf' (fno 1399) header failed with ORA-01207
Rereading datafile 1399 header failed with ORA-01207
Errors in file /u01/app/oracle/diag/rdbms/xff/xff1/trace/xff1_dbw0_43828.trc:
ORA-01186: file 1399 failed verification tests
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
File 1399 not verified due to error ORA-01122
Read of datafile '+DATA/xifenfei99.dbf' (fno 1399) header failed with ORA-01207
Rereading datafile 1399 header failed with ORA-01207
Errors in file /u01/app/oracle/diag/rdbms/xff/xff1/trace/xff1_dbw0_43828.trc:
ORA-01186: file 1399 failed verification tests
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
File 1399 not verified due to error ORA-01122

基于这种情况,初步判断:
1. 是由于该集群本身多节点(6个节点),只要有节点是open状态,其他节点关闭再启动依旧可以正常启动,但是无法写入数据到报ORA-01207错误的数据文件中(可以读取数据).
2. 如果所有节点关闭关闭,然后数据库无法正常启动会报ORA-01207: file is more recent than control file错误

这样的情况,根据以往经验,ORA-01207: file is more recent than control file通过重建ctl即可恢复,先关闭所有节点,然后尝试启动一个节点

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
alter database open
Wed Aug 21 14:14:22 2024
SUCCESS: diskgroup REDO was mounted
Wed Aug 21 14:14:22 2024
NOTE: dependency between database xff and diskgroup resource ora.REDO.dg is established
Wed Aug 21 14:14:27 2024
Errors in file /u01/app/oracle/diag/rdbms/xff/xff1/trace/xff1_ora_47884.trc:
ORA-01122: database file 1399 failed verification check
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'
ORA-01207: file is more recent than control file - old control file
ORA-1122 signalled during: alter database open...

和预期的一样,重试重建ctl,然后数据库报ORA-00600 [krhpfh_03-1210]错误

SQL> shutdown immediate;
ORA-01109: database not open


Database dismounted.
ORACLE instance shut down.
SQL> startup nomount pfile='/tmp/xff/pfile';
ORACLE instance started.

Total System Global Area 1.3255E+11 bytes
Fixed Size		    2244832 bytes
Variable Size		 9.7442E+10 bytes
Database Buffers	 3.4897E+10 bytes
Redo Buffers		  208654336 bytes
SQL> @rectl

Control file created.

SQL> 
SQL> 
SQL> 
SQL> recover database;
ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done


SQL> recover database using backup controlfile;
ORA-00283: recovery session canceled due to errors
ORA-00600: internal error code, arguments: [krhpfh_03-1210], [fno =], [1399],
[fhcpc =], [274968], [fhccc =], [274983], [], [], [], [], []
ORA-01110: data file 1399: '+DATA/xifenfei99.dbf'

这里的提示是有fhcpc和fhccc值不对导致,通过bbed查看相关值

BBED> set file 1399
	FILE#          	1399

BBED> p kcvfhccc
ub4 kcvfhccc                                @148      0x00043227 ===>274983(10进制)

BBED> p kcvfhcpc
ub4 kcvfhcpc                                @140      0x00043218 ===>274968(10进制)

报错比较明显通过bbed修改这两个值

BBED> m /x 2a390400 offset 148
Warning: contents of previous BIFILE will be lost. Proceed? (Y/N) y
 File: /tmp/xff/1399.dbf.header (1399)
 Block: 1                Offsets:  148 to  659           Dba:0x5dc00001
------------------------------------------------------------------------
 2a390400 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 0c000000 0f004441 
 5441315f 5442535f 45515f30 31000000 00000000 00000000 00000000 78010000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 cfebdd33 01000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 419333df 81001c0a 6ab13046 06000000 
 c1520400 02000000 10000000 7e000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 0d000d00 0d000100 00000000 00000000 

 <32 bytes per line>

BBED> m /x 2b390400 offset 140
 File: /tmp/xff/1399.dbf.header (1399)
 Block: 1                Offsets:  140 to  651           Dba:0x5dc00001
------------------------------------------------------------------------
 2b390400 e6ef524d 2a390400 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 0c000000 0f004441 5441315f 5442535f 45515f30 31000000 00000000 00000000 
 00000000 78010000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 cfebdd33 01000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 419333df 81001c0a 
 6ab13046 06000000 c1520400 02000000 10000000 7e000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
 00000000 00000000 00000000 00000000 00000000 00000000 0d000d00 0d000100 

 <32 bytes per line>

修改好这些值之后,recover database和open数据库成功,检查字典正常,业务读写也正常,完成本次恢复任务

SQL> @hcheck
HCheck Version 07MAY18 on 21-AUG-2024 15:13:02
----------------------------------------------
Catalog Version 11.2.0.3.0 (1102000300)
db_name: XFF

				   Catalog	 Fixed
Procedure Name			   Version    Vs Release    Timestamp
Result
------------------------------ ... ---------- -- ---------- --------------
------
.- LobNotInObj		       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- MissingOIDOnObjCol	       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- SourceNotInObj	       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- OversizedFiles	       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- PoorDefaultStorage	       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- PoorStorage		       ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- TabPartCountMismatch        ... 1102000300 <=  *All Rel* 08/21 15:13:02 PASS
.- OrphanedTabComPart	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- MissingSum$		       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- MissingDir$		       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- DuplicateDataobj	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- ObjSynMissing	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- ObjSeqMissing	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- OrphanedUndo 	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- OrphanedIndex	       ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- OrphanedIndexPartition      ... 1102000300 <=  *All Rel* 08/21 15:13:03 PASS
.- OrphanedIndexSubPartition   ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- OrphanedTable	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- OrphanedTablePartition      ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- OrphanedTableSubPartition   ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- MissingPartCol	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- OrphanedSeg$ 	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- OrphanedIndPartObj#	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- DuplicateBlockUse	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- FetUet		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- Uet0Check		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- SeglessUET		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadInd$		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadTab$		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadIcolDepCnt	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- ObjIndDobj		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- TrgAfterUpgrade	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- ObjType0		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadOwner		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- StmtAuditOnCommit	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadPublicObjects	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadSegFreelist	       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- BadDepends		       ... 1102000300 <=  *All Rel* 08/21 15:13:04 PASS
.- CheckDual		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- ObjectNames		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- BadCboHiLo		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- ChkIotTs		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- NoSegmentIndex	       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- BadNextObject	       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- DroppedROTS		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- FilBlkZero		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- DbmsSchemaCopy	       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- OrphanedObjError	       ... 1102000300 >  1102000000 08/21 15:13:05 PASS
.- ObjNotLob		       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- MaxControlfSeq	       ... 1102000300 <=  *All Rel* 08/21 15:13:05 PASS
.- SegNotInDeferredStg	       ... 1102000300 >  1102000000 08/21 15:13:06 PASS
.- SystemNotRfile1	       ... 1102000300 >   902000000 08/21 15:13:06 PASS
.- DictOwnNonDefaultSYSTEM     ... 1102000300 <=  *All Rel* 08/21 15:13:07 PASS
.- OrphanTrigger	       ... 1102000300 <=  *All Rel* 08/21 15:13:07 PASS
.- ObjNotTrigger	       ... 1102000300 <=  *All Rel* 08/21 15:13:07 PASS
---------------------------------------
21-AUG-2024 15:13:07  Elapsed: 5 secs
---------------------------------------
Found 0 potential problem(s) and 0 warning(s)

PL/SQL procedure successfully completed.

Statement processed.

Complete output is in trace file:
/u01/app/oracle/diag/rdbms/xff/xff1/trace/xff1_ora_70961_HCHECK.trc

19c库启动报ORA-600 kcbzib_kcrsds_1

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:19c库启动报ORA-600 kcbzib_kcrsds_1

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

一套19c的库由于某种情况,发现异常,当时的技术使用隐含参数强制拉库,导致数据库启动报ORA-00704 ORA-600 kcbzib_kcrsds_1错误
kcbzib_kcrsds_1

2024-08-24T06:11:25.494304+08:00
ALTER DATABASE OPEN
2024-08-24T06:11:25.494370+08:00
TMI: adbdrv open database BEGIN 2024-08-24 06:11:25.494324
Smart fusion block transfer is disabled:
  instance mounted in exclusive mode.
2024-08-24T06:11:25.515306+08:00
Beginning crash recovery of 1 threads
 parallel recovery started with 7 processes
 Thread 1: Recovery starting at checkpoint rba (logseq 2 block 3), scn 286550073
2024-08-24T06:11:25.567011+08:00
Started redo scan
2024-08-24T06:11:25.587170+08:00
Completed redo scan
 read 0 KB redo, 0 data blocks need recovery
2024-08-24T06:11:25.595192+08:00
Started redo application at
 Thread 1: logseq 2, block 3, offset 0, scn 0x0000000011146839
2024-08-24T06:11:25.595552+08:00
Recovery of Online Redo Log: Thread 1 Group 2 Seq 2 Reading mem 0
  Mem# 0: /dbf/RLZY/redo02.log
2024-08-24T06:11:25.595712+08:00
Completed redo application of 0.00MB
2024-08-24T06:11:25.596058+08:00
Completed crash recovery at
 Thread 1: RBA 2.3.0, nab 3, scn 0x000000001114683a
 0 data blocks read, 0 data blocks written, 0 redo k-bytes read
Endian type of dictionary set to little
2024-08-24T06:11:25.648152+08:00
LGWR (PID:1614826): STARTING ARCH PROCESSES
2024-08-24T06:11:25.661738+08:00
TT00 (PID:1614908): Gap Manager starting
Starting background process ARC0
2024-08-24T06:11:25.677246+08:00
ARC0 started with pid=54, OS id=1614910 
2024-08-24T06:11:25.687525+08:00
LGWR (PID:1614826): ARC0: Archival started
LGWR (PID:1614826): STARTING ARCH PROCESSES COMPLETE
2024-08-24T06:11:25.687733+08:00
ARC0 (PID:1614910): Becoming a 'no FAL' ARCH
ARC0 (PID:1614910): Becoming the 'no SRL' ARCH
2024-08-24T06:11:25.696437+08:00
TMON (PID:1614886): STARTING ARCH PROCESSES
Starting background process ARC1
2024-08-24T06:11:25.711645+08:00
Thread 1 advanced to log sequence 3 (thread open)
Redo log for group 3, sequence 3 is not located on DAX storage
2024-08-24T06:11:25.715270+08:00
ARC1 started with pid=56, OS id=1614914 
Starting background process ARC2
Thread 1 opened at log sequence 3
  Current log# 3 seq# 3 mem# 0: /dbf/RLZY/redo03.log
Successful open of redo thread 1
2024-08-24T06:11:25.728586+08:00
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Stopping change tracking
2024-08-24T06:11:25.734124+08:00
ARC2 started with pid=57, OS id=1614916 
Starting background process ARC3
2024-08-24T06:11:25.752891+08:00
ARC3 started with pid=58, OS id=1614918 
2024-08-24T06:11:25.752979+08:00
TMON (PID:1614886): ARC1: Archival started
TMON (PID:1614886): ARC2: Archival started
TMON (PID:1614886): ARC3: Archival started
TMON (PID:1614886): STARTING ARCH PROCESSES COMPLETE
2024-08-24T06:11:25.802551+08:00
ARC0 (PID:1614910): Archived Log entry 2828 added for T-1.S-2 ID 0x74f18f91 LAD:1
2024-08-24T06:11:25.806845+08:00
TT03 (PID:1614922): Sleep 5 seconds and then try to clear SRLs in 2 time(s)
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc  (incident=124865):
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/diag/rdbms/xff/xff/incident/incdir_124865/xff_ora_1614892_i124865.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
2024-08-24T06:11:25.871925+08:00
2024-08-24T06:11:26.772652+08:00
*****************************************************************
An internal routine has requested a dump of selected redo.
This usually happens following a specific internal error, when
analysis of the redo logs will help Oracle Support with the
diagnosis.
It is recommended that you retain all the redo logs generated (by
all the instances) during the past 12 hours, in case additional
redo dumps are required to help with the diagnosis.
*****************************************************************
2024-08-24T06:11:26.872265+08:00
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc:
ORA-00704: bootstrap process failure
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
2024-08-24T06:11:26.872351+08:00
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc:
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
2024-08-24T06:11:26.872412+08:00
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc:
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
2024-08-24T06:11:26.872455+08:00
Error 704 happened during db open, shutting down database
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc  (incident=124866):
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/diag/rdbms/xff/xff/incident/incdir_124866/xff_ora_1614892_i124866.trc
opiodr aborting process unknown ospid (1614892) as a result of ORA-603
2024-08-24T06:11:27.498146+08:00
Errors in file /oracle/diag/rdbms/xff/xff/trace/xff_ora_1614892.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00600: internal error code, arguments: [kcbzib_kcrsds_1], [], [], [], [], [], [], [], [], [], [], []
2024-08-24T06:11:27.501122+08:00
ORA-603 : opitsk aborting process
License high water mark = 8
USER(prelim) (ospid: 1614892): terminating the instance due to ORA error 704
2024-08-24T06:11:28.526358+08:00
Instance terminated by USER(prelim), pid = 1614892

官方关于kcbzib_kcrsds_1从解释只有:Bug 31887074 – sr21.1bigscn_hipu3 – trc – ksfdopn2 – ORA-600 [kcbzib_kcrsds_1] (Doc ID 31887074.8)
ksfdopn2


虽然关于ORA-600 [kcbzib_kcrsds_1],oracle官方没有给出来解决方案,其实通过以往大量的恢复案例和经验中已经知道,这个错误解决方案就是修改oracle scn的方法可以绕过去,以前有过一些类似恢复案例:
ORA-600 kcbzib_kcrsds_1报错
12C数据库报ORA-600 kcbzib_kcrsds_1故障处理
ORA-00603 ORA-01092 ORA-600 kcbzib_kcrsds_1
redo异常强制拉库报ORA-600 kcbzib_kcrsds_1修复
Patch SCN工具一键恢复ORA-600 kcbzib_kcrsds_1
存储故障,强制拉库报ORA-600 kcbzib_kcrsds_1处理

redo写丢失导致ORA-600 kcrf_resilver_log_1故障

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:redo写丢失导致ORA-600 kcrf_resilver_log_1故障

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

有一个客户硬件故障,做完硬件恢复之后,数据库启动报ORA-600 kcrf_resilver_log_1错误.
kcrf_resilver_log_1

Thu Aug 22 13:37:50 2024
alter database open
Beginning crash recovery of 1 threads
 parallel recovery started with 3 processes
Started redo scan
Errors in file e:\oracle\zy\diag\rdbms\orcl\orcl\trace\orcl_ora_1640.trc  (incident=9767):
ORA-00600: 内部错误代码, 参数: [kcrf_resilver_log_1], [0x7DCEBE020], [2], [], [], [], [], [], [], [], [], []
Incident details in: e:\oracle\zy\diag\rdbms\orcl\orcl\incident\incdir_9767\orcl_ora_1640_i9767.trc
Thu Aug 22 13:37:55 2024
Trace dumping is performing id=[cdmp_20240822133755]
Aborting crash recovery due to error 600
Errors in file e:\oracle\zy\diag\rdbms\orcl\orcl\trace\orcl_ora_1640.trc:
ORA-00600: 内部错误代码, 参数: [kcrf_resilver_log_1], [0x7DCEBE020], [2], [], [], [], [], [], [], [], [], []
Errors in file e:\oracle\zy\diag\rdbms\orcl\orcl\trace\orcl_ora_1640.trc:
ORA-00600: 内部错误代码, 参数: [kcrf_resilver_log_1], [0x7DCEBE020], [2], [], [], [], [], [], [], [], [], []

查询mos出现该问题的原因一般是由于redo log write lost导致
kcrf_resilver_log_1-9056657


这个问题恢复起来不难,一般就是尝试强制打开库,以前有过类似的恢复case:
ORA-600 kcrf_resilver_log_1故障处理
ORA-00600[kcrf_resilver_log_1]异常恢复