ORA-600 kcbzpbuf_1故障恢复

数据库启动报错ORA-03113

SQL> startup;
ORACLE instance started.

Total System Global Area 5.1310E+10 bytes
Fixed Size                  2265224 bytes
Variable Size            1.8119E+10 bytes
Database Buffers         3.3152E+10 bytes
Redo Buffers               36069376 bytes
Database mounted.

ORA-03113: end-of-file on communication channel
Process ID: 117892
Session ID: 568 Serial number: 3

分析alert日志发现ORA-600 kcbzpbuf_1报错

Serial Media Recovery started
Recovery of Online Redo Log: Thread 1 Group 4 Seq 4744 Reading mem 0
  Mem# 0: /home/oradata/redo04.log
Recovery of Online Redo Log: Thread 1 Group 1 Seq 4745 Reading mem 0
  Mem# 0: /home/oradata/redo01.log
Wed Jan 11 14:44:35 2023
Hex dump of (file 87, block 3143379) in trace file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_116740.trc
Corrupt block relative dba: 0x15eff6d3 (file 87, block 3143379)
Bad header found during preparing block for write
Data in bad block:
 type: 0 format: 2 rdba: 0x00000000
 last change scn: 0x0b7e.593518d5 seq: 0x1 flg: 0x04
 spare1: 0x0 spare2: 0x0 spare3: 0x0
 consistency value in tail: 0x18d50001
 check value in block header: 0x342b
 computed block checksum: 0x0
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_116740.trc  (incident=553128):
ORA-00600: internal error code, arguments: [kcbzpbuf_1], [4], [1], [], [], [], [], [], [], [], [], []
Incident details in: /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_553128/orcl_dbw0_116740_i553128.trc
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 /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_116740.trc:
ORA-00600: internal error code, arguments: [kcbzpbuf_1], [4], [1], [], [], [], [], [], [], [], [], []
DBW0 (ospid: 116740): terminating the instance due to error 471
Wed Jan 11 14:44:36 2023
System state dump requested by (instance=1, osid=116740 (DBW0)), summary=[abnormal instance termination].
Instance terminated by DBW0, pid = 116740

错误比较明显,在应用日志的时候，redo和数据文件的block不匹配，从而出现Corrupt block relative dba: 0x15eff6d3 (file 87, block 3143379)问题,通过bbed对该block进行修复，数据库直接recover成功

RMAN> recover database;

Starting recover at 2023-01-11 14:53:44
using channel ORA_DISK_1

starting media recovery
media recovery complete, elapsed time: 00:00:01

Finished recover at 2023-01-11 14:53:45

数据库open成功

SQL> alter database open;

Database altered.

数据库报ORACLE Instance orcl (pid = 14)类似错误

Thread 1 opened at log sequence 4745
  Current log# 1 seq# 4745 mem# 0: /home/oradata/redo01.log
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Wed Jan 11 14:54:10 2023
SMON: enabling cache recovery
[108954] Successfully onlined Undo Tablespace 2.
Undo initialization finished serial:0 start:2313624 end:2313634 diff:10 (0 seconds)
Verifying file header compatibility for 11g tablespace encryption..
Verifying 11g file header compatibility for tablespace encryption completed
SMON: enabling tx recovery
Database Characterset is ZHS16GBK
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_smon_110633.trc  (incident=577160):
ORA-01578: ORACLE data block corrupted (file # 87, block # 3143379)
ORA-01110: data file 87: '/home/oradata/xifenfei04.dbf'
No Resource Manager plan active
replication_dependency_tracking turned off (no async multimaster replication found)
Starting background process QMNC
Wed Jan 11 14:54:10 2023
QMNC started with pid=80, OS id=114315
Completed: alter database open
Wed Jan 11 14:54:10 2023
db_recovery_file_dest_size of 4182 MB is 0.00% 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.
ORACLE Instance orcl (pid = 14) - Error 1578 encountered while recovering transaction (10, 0) on object 156475.
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_smon_110633.trc:
ORA-01578: ORACLE data block corrupted (file # 87, block # 3143379)
ORA-01110: data file 87: '/home/oradata/xifenfei04.dbf'

对其异常对象进行分析,确认是回收站对象,清理回收站

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数据库后续运行正常【alert日志没有其他报错】，该恢复完成，业务数据可以直接使用，数据0丢失

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