ORA-65088: database open should be retried

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

标题:ORA-65088: database open should be retried

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.]

在12.2以及后续的cdb版本中,如果重建ctl并且resetlogs库,很可能会遇到ORA-65088: database open should be retried错误

SQL> startup nomount force pfile='/<path>/<filename>.ora';
ORACLE instance started.

Total System Global Area 1593835520 bytes
Fixed Size                  8793256 bytes
Variable Size             402654040 bytes
Database Buffers         1174405120 bytes
Redo Buffers                7983104 bytes
SQL> !vi ctl.sql

SQL> @ctl.sql

Control file created.

SQL> select count(*) ,fhsta from x$kcvfh group by fhsta;

  COUNT(*)      FHSTA
---------- ----------
        11      32768
         4      40960

SQL> select count(*) ,FHSCN from x$kcvfh group by FHSCN;

  COUNT(*) FHSCN
---------- --------------------
         3 1820866
         4 2281969
         4 2281978
         4 2281982

SQL> select file#,error from v$datafile_header where length(error)>=1;

no rows selected

SQL> select count(*) ,fhrba_seq from x$kcvfh group by fhrba_seq;

  COUNT(*)  FHRBA_SEQ
---------- ----------
         3         20
        12         32

SQL> recover database using backup controlfile until cancel;
ORA-00279: change 2281978 generated at 09/19/2018 00:52:00 needed for thread 1
ORA-00289: suggestion : /<path>/1_32_981800889.dbf
ORA-00280: change 2281978 for thread 1 is in sequence #32


Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
/<path>/1_32_981800889.dbf
ORA-00279: change 2282008 generated at 09/19/2018 00:52:13 needed for thread 1
ORA-00289: suggestion : /<path>/1_33_981800889.dbf
ORA-00280: change 2282008 for thread 1 is in sequence #33
ORA-00278: log file '/<path>/1_32_981800889.dbf' no longer needed for this recovery


Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
cancel
Media recovery cancelled.    << Expected message "Media recovery complete." !!
SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       MOUNTED
         3 _###_UNKNOWN_PDB_#_3           MOUNTED
         4 _###_UNKNOWN_PDB_#_4           MOUNTED
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: 32688
Session ID: 10 Serial number: 38416

alert日志类似错误

 Dictionary check beginning
 Pluggable Database <pdb_name_1> (#3) found in data dictionary,
 but not in the control file. Adding it to control file.
 Pluggable Database <pdb_name_2> (#4) found in data dictionary,
 but not in the control file. Adding it to control file.
 Tablespace '<tablespace_name>' #3 found in data dictionary,
 but not in the controlfile. Adding to controlfile.
 --
 File 8 not verified due to error ORA-01122
 File 9 not verified due to error ORA-01122
 File 11 not verified due to error ORA-01122
 File 16 not verified due to error ORA-01122
 File 17 not verified due to error ORA-01122
 File 18 not verified due to error ORA-01122
 File 19 not verified due to error ORA-01122
 File 20 not verified due to error ORA-01122
  --
 ORA-65088: database open should be retried
 2018-09-19T01:00:54.083814+05:30
 Errors in file /<path>/trace/<oracle_sid>_ora_12412.trc:
 ORA-65088: database open should be retried
 Error 65088 happened during db open, shutting down database
 Errors in file /<path>/trace/<oracle_sid>_ora_12412.trc  (incident=12289) (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

出现这类故障的原因是由于:
we see that the created controlfile is not aware of PDB and open resetlogs process trying to add information in newly created file . Hence, recovery process ,in newly created controlfile didn’t applied the archives to datafiles part of PDB which says later it will ask for recovery once controlfile is aware of PDB files During the resetlogs process, its pushing the required information to controlfile and shutting the database with suggestion to re-try opening the DB.

$ sqlplus "/as sysdba"

SQL*Plus: Release 12.2.0.1.0 Production on Wed Sep 19 01:34:01 2018

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup nomount force pfile='/<path>/<filename>.ora';
ORACLE instance started.

Total System Global Area 1593835520 bytes
Fixed Size                  8793256 bytes
Variable Size             402654040 bytes
Database Buffers         1174405120 bytes
Redo Buffers                7983104 bytes
SQL> alter database mount;

Database altered.

SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       MOUNTED
         3 PDB1                           MOUNTED
         4 APDB                           MOUNTED
        
SQL> select count(*) ,FHSCN from x$kcvfh group by FHSCN;

  COUNT(*) FHSCN
---------- --------------------
         3 1820866
         4 2281969
         4 2281982
         4 2282012        
        
//* Here , we see controlfile is aware of PDB



$ sqlplus "/as sysdba"

SQL*Plus: Release 12.2.0.1.0 Production on Wed Sep 19 01:02:13 2018

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

Connected to an idle instance.

SQL>  startup nomount force pfile='/<path>/<filename>.ora';
ORACLE instance started.

Total System Global Area 1593835520 bytes
Fixed Size                  8793256 bytes
Variable Size             402654040 bytes
Database Buffers         1174405120 bytes
Redo Buffers                7983104 bytes
SQL> alter database mount;

Database altered.

SQL> recover database;
ORA-00279: change 2281969 generated at 09/19/2018 00:51:35 needed for thread 1
ORA-00289: suggestion : /<path>/1_32_981800889.dbf
ORA-00280: change 2281969 for thread 1 is in sequence #32


Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
/<path>/1_32_981800889.dbf
Log applied.
Media recovery complete.
SQL> alter database open;

Database altered.

SQL>

官方的进一步解释:
We clearly see that the recovery steps applies the same archivelog file twice. When a controlfile is recreated, the recovery initiated will apply archivelog files to only the CDB datafiles, not to the PDB. Once the database open returns the ORA-65088 error, the next database re-start will apply the archivelog files to the PDB for the sake of database consistency.This should explain why Oracle is looking to apply the same archivelog sequence a second time. The following bugs report similar issues. They have both been closed as ‘not a bug’ as this is expected behavior:
BUG 24951417 – ERROR OPENING DATABASE WITH RESETLOGS AFTER CREATE CONTROLFILE
BUG 25172530 – MULTITENANT RESTORE FAILED WITH ORA-65088: DATABASE OPEN
参考:ORA-65088 while opening DB with resetlogs for multi-tenant DB in 12.2 (Doc ID 2449591.1)

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

数据库启动报ORA-27102 OSD-00026 O/S-Error: (OS 1455)

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

标题:数据库启动报ORA-27102 OSD-00026 O/S-Error: (OS 1455)

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.]

一个win上运行的11.2.0.4库启动的时候报ORA-27102 OSD-00026 O/S-Error: (OS 1455)错误

SQL> STARTUP
ORA-27102: out of memory
OSD-00026: 附加错误信息
O/S-Error: (OS 1455) 页面文件太小,无法完成操作。

数据库alert日志信息

Fri Sep 13 17:17:39 2024
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Initial number of CPU is 24
Number of processor cores in the system is 12
Number of processor sockets in the system is 1
Picked latch-free SCN scheme 3
Error: Failed to allocate SGA granule addr 0000000760000000 size 268435456 
 mode 131073 locality 0
Errors in file D:\app\Administrator\diag\rdbms\xff\xff\trace\xff_ora_77728.trc:
ORA-27102: out of memory
OSD-00026: 附加错误信息
O/S-Error: (OS 1455) 页面文件太小,无法完成操作。
Error: Failed to allocate SGA granule addr 0000000750000000 size 268435456 
 mode 131073 locality 0
Errors in file D:\app\Administrator\diag\rdbms\xff\xff\trace\xff_ora_77728.trc:

看报错信息,第一感觉和内存有关系,可能内存不足无法满足sga分配需求,查看系统空闲内存情况
22


系统明显有足够内存,出现该问题的原因可能和win操作系统本身有关系,由于要快速恢复业务,直接重启系统数据库启动成功

.[metro777@cock.li].Elbie勒索病毒加密数据库恢复

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

标题:.[metro777@cock.li].Elbie勒索病毒加密数据库恢复

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.]

有可能数据库被勒索加密扩展名为:.[metro777@cock.li].Elbie,以前有过类似恢复.mkp和.Elbie勒索加密数据库可恢复
metro777@cock.li.Elbie


通过工具分析文件损坏情况
11

对于这种文件损坏较少的oracle数据文件,可以通过自研的Oracle数据文件勒索恢复工具直接进行恢复
oracle

然后直接打开数据库,使用expdp导出数据(由于system文件中损坏的少量block刚好是i_col3这个index,对其进行处理之后,导出成功)
类似勒索病毒预防建议:
1. 教育和培训:提高用户的网络安全意识非常重要。通过定期的网络安全培训和教育,向用户传达有关勒索病毒及其传播方式的知识,让他们能够警惕潜在的威胁,并学会如何正确应对可疑的电子邮件、链接和附件。
2. 更新和维护:及时更新操作系统、应用程序和安全软件,以修补已知的漏洞,并确保系统能够及时获取最新的安全补丁。此外,定期进行系统维护和检查,确保系统的安全配置和设置。
3. 备份数据:定期备份重要的数据和文件,并将备份存储在安全的离线或云存储中。确保备份是完整的、可靠的,并且能够及时恢复,以便在发生勒索病毒感染或其他数据丢失事件时能够快速恢复数据。
4. 网络安全工具:使用可信赖的网络安全工具,包括防病毒软件、防火墙、入侵检测系统等,以提高系统的安全性和防护能力。定期对系统进行全面的安全扫描和检测,及时发现并清除潜在的威胁。
5. 访问控制:实施严格的访问控制措施,限制用户对系统和文件的访问权限,避免使用管理员权限进行日常操作,以减少恶意软件感染的风险。此外,定期审查和更新访问控制策略,确保系统安全性得到有效维护。
6. 应急响应计划:制定和实施应急响应计划,明确团队成员的责任和任务,建立应对勒索病毒和其他安全事件的应急响应流程,以最大程度地减少损失并快速恢复业务正常运营。

如果此类的数据库(oracle,mysql,sql server)等被加密,需要专业恢复技术支持,请联系我们:
电话/微信:17813235971    Q Q:107644445QQ咨询惜分飞    E-Mail:dba@xifenfei.com

应用连接错误,初始化mysql数据库恢复

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

标题:应用连接错误,初始化mysql数据库恢复

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.]

有人在部署一个新网站的时候,写错了配置信息,直接导致原有数据库被清掉,并创建了新库和写入了数据(其实本质就是drop table恢复)
mysql


登录操作系统查看,发现数据库文件在根分区,创建了新库,写入了数据之外,还有几个G的binlog.全部恢复不太可能,最后客户决定需要恢复的2个核心表数据,估计也就几十M的数据.通过os层面进行分析,发现操作系统的反删除恢复无法实现这类数据恢复.最后决定从mysql innodb的的碎片级别记性扫描恢复,通过扫描发现较多碎片
page

然后通过一些思路找出来需要恢复的表对应的page文件,然后对其进行解析恢复出来需要的数据
1

具体技术文章参考:
kettle导致MySQL数据丢失恢复
[MySQL异常恢复]恢复数据字典表讲解
[MySQL异常恢复]mysql drop table 数据恢复
[MySQL异常恢复]使用工具直接抽取MySQL数据字典
MySQL drop database恢复(恢复方法同样适用MySQL drop table,delete,truncate table)

RAC默认服务配置优先节点

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

标题:RAC默认服务配置优先节点

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.]

在某些rac情况下需要,需要对数据库默认的db_name对应的服务名进行修改,实现优先节点访问的效果.分析了下在默认值情况下,db_name影响到db_unique_name,然后决定了数据库的service_names.现有库的db_name无法修改,那就只能在db_unique_name上做手脚(只是修改service_names,对应的db_unique_name还是会创建默认服务,这样该服务依旧可以连接).但是在rac环境中db_unique_name记录到了crs资源之中,无法直接在数据库级别修改(修改会报ORA-32017 ORA-65500错误)

SQL> alter system set db_unique_name='nxifenfei' sid='*' scope=spfile;
alter system set db_unique_name='nxifenfei' sid='*' scope=spfile
*
ERROR at line 1:
ORA-32017: failure in updating SPFILE
ORA-65500: could not modify DB_UNIQUE_NAME, resource exists

只能先删除crs中关于db的资源,然后再进行修改服务名,再增加db资源

[oracle@xffdb1 ~]$ srvctl remove database -d xifenfei  -f

SQL> alter system set db_unique_name='nxifenfei' sid='*' scope=spfile;

[oracle@xffdb1 ~]$ srvctl add database -d nxifenfei -o /u01/app/oracle/product/19c/db_1 -p \
  +DATADG/XIFENFEI/PARAMETERFILE/spfile.271.1174153165 -pwfile +DATADG/XIFENFEI/PASSWORD/pwdxifenfei.256.1174152463
[oracle@xffdb1 ~]$ srvctl add instance -d nxifenfei -i xifenfei1 -n xffdb1
[oracle@xffdb1 ~]$ srvctl add instance -d nxifenfei -i xifenfei2 -n xffdb2
[oracle@xffdb1 ~]$ srvctl add instance -d nxifenfei -i xifenfei3 -n xffdb3

创建新服务(和db_name同名,和现在的db_unique_name不同名)

[oracle@xffdb1 ~]$ srvctl add service -db nxifenfei -service xifenfei -r xifenfei2 -a xifenfei1,xifenfei3 \
  -failovertype SESSION -failovermethod BASIC -failoverdelay 10 -failoverretry 3 -failback YES
[oracle@xffdb1 ~]$ srvctl start service -db nxifenfei -service xifenfei

[oracle@xffdb1 ~]$ srvctl config service -d nxifenfei -service xifenfei
Service name: xifenfei
Server pool:
Cardinality: 1
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: false
Global: false
Commit Outcome: false
Failover type: SESSION
Failover method: BASIC
Failover retries: 3
Failover delay: 10
Failover restore: NONE
Connection Load Balancing Goal: LONG
Runtime Load Balancing Goal: NONE
TAF policy specification: NONE
Edition:
Pluggable database name:
Hub service:
Maximum lag time: ANY
SQL Translation Profile:
Retention: 86400 seconds
Failback :  yes
Replay Initiation Time: 300 seconds
Drain timeout:
Stop option:
Session State Consistency: DYNAMIC
GSM Flags: 0
Service is enabled
Preferred instances: xifenfei2
Available instances: xifenfei1,xifenfei3
CSS critical: no
Service uses Java: false
[grid@xffdb1 ~]$

服务的其他操作

--调整服务的优先节点
srvctl modify service -db nxifenfei -service xifenfei -modifyconfig -preferred "xifenfei1" -available "xifenfei2,xifenfei3"
srvctl stop service -db nxifenfei -service xifenfei 
srvctl start service -db nxifenfei -service xifenfei 

--切换服务所在节点
srvctl relocate service -db nxifenfei -service xifenfei -oldinst xifenfei2 -newinst xifenfei1

--删除服务
srvctl stop service -db nxifenfei -service xifenfei
srvctl remove service -db nxifenfei -service xifenfei 

Oracle 19c RAC 替换私网操作

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

标题:Oracle 19c RAC 替换私网操作

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.]

19c的三节点集群,需要替换一个私网网卡(如果有足够的停机窗口有一个更加简单的方法,直接通过修改网卡名称实现替换,不过需要主机重启一次,参考:Linux 8 修改网卡名称)
1. 先在主机层面确认新配置网络能够相互ping通,在hosts文件加入私网信息,并且确认ssh 可以相互访问

ssh xffdb1-priv3 date;ssh xffdb2-priv3 date;ssh xffdb3-priv3 date;

2. 删除掉需要删除的网络上的asm监听和该network信息

[grid@xffdb1 ~]$ srvctl config listener -asmlistener
Name: ASMNET1LSNR_ASM
Type: ASM Listener
Owner: grid
Subnet: 172.16.16.0
Home: <CRS home>
End points: TCP:1525
Listener is enabled.
Listener is individually enabled on nodes:
Listener is individually disabled on nodes:
Name: ASMNET2LSNR_ASM
Type: ASM Listener
Owner: grid
Subnet: 172.17.17.0
Home: <CRS home>
End points: TCP:1526
Listener is enabled.
Listener is individually enabled on nodes:
Listener is individually disabled on nodes:
[grid@xffdb1 ~]$ srvctl config asmnetwork
ASM network 1 exists
Subnet IPv4: 172.16.16.0//
Subnet IPv6:
Network is enabled
Network is individually enabled on nodes:
Network is individually disabled on nodes:
ASM network 2 exists
Subnet IPv4: 172.17.17.0//
Subnet IPv6:
Network is enabled
Network is individually enabled on nodes:
Network is individually disabled on nodes:
[grid@xffdb1 ~]$

[grid@xffdb3 ~]$ srvctl config asm
ASM home: <CRS home>
Password file: +DATA/orapwASM
Backup of Password file: +DATA/orapwASM_backup
ASM listener: LISTENER
ASM instance count: 3
Cluster ASM listener: ASMNET1LSNR_ASM,ASMNET2LSNR_ASM
[grid@xffdb3 ~]$ crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.chad
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.net1.network
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.ons
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.proxy_advm
               OFFLINE OFFLINE      xffdb1                   STABLE
               OFFLINE OFFLINE      xffdb2                   STABLE
               OFFLINE OFFLINE      xffdb3                   STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.ASMNET2LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.OCR.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.DATADG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.FRADG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.asm(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   Started,STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.asmnet2.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.cvu
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.xffdb1.vip
      1        ONLINE  ONLINE       xffdb1                   STABLE
ora.xffdb2.vip
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.xffdb3.vip
      1        ONLINE  ONLINE       xffdb3                   STABLE
ora.xifenfei.db
      1        ONLINE  ONLINE       xffdb1                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      2        ONLINE  ONLINE       xffdb2                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      3        ONLINE  ONLINE       xffdb3                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
ora.qosmserver
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       xffdb2                   STABLE
--------------------------------------------------------------------------------

[grid@xffdb1 peer]$ srvctl update listener -listener ASMNET2LSNR_ASM -asm -remove -force
[grid@xffdb1 peer]$ srvctl remove asmnetwork -netnum 2 -force
PRCR-1028 : Failed to remove resource ora.asmnet2.asmnetwork
PRCR-1072 : Failed to unregister resource ora.asmnet2.asmnetwork
CRS-0245:  User doesn't have enough privilege to perform the operation
[root@xffdb1 ~]# source /home/grid/.bash_profile
[root@xffdb1 ~]# srvctl remove asmnetwork -netnum 2 -force
[root@xffdb1 ~]#
[root@xffdb1 ~]#
[root@xffdb1 ~]# crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.chad
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.net1.network
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.ons
               ONLINE  ONLINE       xffdb1                   STABLE
               ONLINE  ONLINE       xffdb2                   STABLE
               ONLINE  ONLINE       xffdb3                   STABLE
ora.proxy_advm
               OFFLINE OFFLINE      xffdb1                   STABLE
               OFFLINE OFFLINE      xffdb2                   STABLE
               OFFLINE OFFLINE      xffdb3                   STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.OCR.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.DATADG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.FRADG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.asm(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   Started,STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       xffdb1                   STABLE
      2        ONLINE  ONLINE       xffdb2                   STABLE
      3        ONLINE  ONLINE       xffdb3                   STABLE
ora.cvu
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.xffdb1.vip
      1        ONLINE  ONLINE       xffdb1                   STABLE
ora.xffdb2.vip
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.xffdb3.vip
      1        ONLINE  ONLINE       xffdb3                   STABLE
ora.xifenfei.db
      1        ONLINE  ONLINE       xffdb1                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      2        ONLINE  ONLINE       xffdb2                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      3        ONLINE  ONLINE       xffdb3                   Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
ora.qosmserver
      1        ONLINE  ONLINE       xffdb2                   STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       xffdb2                   STABLE
--------------------------------------------------------------------------------
[grid@xffdb2 peer]$ srvctl config listener -asmlistener
Name: ASMNET1LSNR_ASM
Type: ASM Listener
Owner: grid
Subnet: 172.16.16.0
Home: <CRS home>
End points: TCP:1525
Listener is enabled.
Listener is individually enabled on nodes:
Listener is individually disabled on nodes:
[grid@xffdb2 peer]$ srvctl config asmnetwork
ASM network 1 exists
Subnet IPv4: 172.16.16.0//
Subnet IPv6:
Network is enabled
Network is individually enabled on nodes:
Network is individually disabled on nodes:

3. 替换集群私网操作

[grid@xffdb1 ~]$ oifcfg getif
bond0  192.168.20.0  global  public
ens9f0  172.16.16.0  global  cluster_interconnect,asm
ens9f1  172.17.17.0  global  cluster_interconnect,asm
[grid@xffdb1 ~]$ oifcfg setif -global ens6f0np0/172.18.18.0:cluster_interconnect,asm
[grid@xffdb1 ~]$ oifcfg getif
bond0  192.168.20.0  global  public
ens9f0  172.16.16.0  global  cluster_interconnect,asm
ens9f1  172.17.17.0  global  cluster_interconnect,asm
ens6f0np0  172.18.18.0  global  cluster_interconnect,asm
[grid@xffdb1 ~]$ oifcfg delif -global ens9f1/172.17.17.0
[grid@xffdb1 ~]$  oifcfg getif
bond0  192.168.20.0  global  public
ens9f0  172.16.16.0  global  cluster_interconnect,asm
ens6f0np0  172.18.18.0  global  cluster_interconnect,asm
[grid@xffdb1 ~]$ oifcfg delif -global ens9f1/172.17.17.0
[grid@xffdb1 ~]$  oifcfg getif
bond0  192.168.20.0  global  public
ens9f0  172.16.16.0  global  cluster_interconnect,asm
ens6f0np0  172.18.18.0  global  cluster_interconnect,asm

4. 依次重启集群三个节点(ASMNET2LSNR_ASM监听需要人工kill),集群网络替换完成(因为asm listener已经有一个,另外一个私网不准备给他们加上asm listener),如果要增加可以进行如下操作

# srvctl add asmnetwork -netnum 2 -subnet 172.18.18.0
% srvctl add listener -asmlistener -l ASMNET1LSNR_ASM -subnet 172.18.18.0

监听报TNS-12541 TNS-12560 TNS-00511错误

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

标题:监听报TNS-12541 TNS-12560 TNS-00511错误

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.]

有客户运行在win平台上的oracle 11.2.0.1,监听无法正常工作,使用status查看,卡很长时间然后出现如下TNS-12541 TNS-12560 TNS-00511 64-bit Windows Error: 2: No such file or directory错误

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   64-bit Windows Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=LOCALHOST)(PORT=1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   64-bit Windows Error: 61: Unknown error

根据以往经验,监听服务本身启动成功,运行status hang很久,有可能和监听日志有关系,通过查看确认监听日志达到4G,关闭服务,重命名监听日志,再次启动监听,状态正常
listener


关于win平台监听超过4G,引起监听hang住的文章:windows平台listener.log超过4G导致监听异常

drop tablespace xxx including contents恢复

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

标题:drop tablespace xxx including contents恢复

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.]

最近接到一个客户恢复请求,对系统的核心业务表空间发起了drop tablespace xxx including contents 操作,导致该表空间被删除,客户在删除表空间操作之前使用expdp导出了一份元数据.
drop_tablespace


客户在咨询我的同时,也咨询了其他人,有人给客户答复是可以通过修改字典(以为有导出的元数据就可以逆向想改文件回去),然后把数据文件拷贝过去,实现恢复,成功概率65%[只能说是真牛]
QQ20240904-220806

对于这个客户的故障,这个思路不可能成功,原因有:
1)客户的系统中有部分字典信息已经彻底丢失,无法通过闪回找回来,因此无法对于字典逆向dml操作完成修改
2)drop tbs这个操作涉及的字典操作非常多,而且也非常复杂,在我的认知中,国内不一定有人完全在短时间内梳理清楚相互关系,完成逆向dml操作
3)他们咨询的人不是圈子中恢复大牛(因为圈子不大,大牛也不可能给他们出这种恢复方案)
4)数据文件复制到新库,完全不是同一个库的,要大量修改文件头信息,我估计他们在这一步都不能成功
果然不出所料,他们做了一个测试,结果库起不来
test


这个客户只是drop tablespace including contents 没有加上and datafiles,因此所有数据文件都还在
dbf

所以这个恢复相对比较简单,直接使用dul之类工具扫描数据文件获取到实际数据.结合客户导出的元数据和通过一些途径恢复出来的dataobj#信息,进行整合,实现数据接近完美恢复,可以业务直接启动成功,其中几个大表的lbo字段数据恢复情况
QQ20240904-222230

类似这样的drop tablespace恢复案例我们经历过很多,但是这个是恢复效果最好的(1.所有数据文件没有丢失;2.在删除表空间之前元数据导出了一份;3.通过找删除记录,awr中表,历史的dmp等方法找出来所有表的dataobj#),以前的一些表空间删除恢复案例:
ASM删除表空间恢复
drop tablesapce 数据恢复
oracle drop tablespace 恢复最后一招
分享运气超级好的一次drop tablespace 数据恢复