标签归档:tab$被清空

最近遇到几起ORA-600 16703故障(tab$被清空),请引起重视

最近由于安装介质问题,导致tab$被清空的case又多了起来,最近遇到几个客户咨询此类问题
20240321201804
20240321201813
20240321201822


以前写过一些类似的文档,参考:
tab$恢复错误汇总
ORA-600 kzrini:!uprofile处理
10g数据库遭遇ORA-600 16703
12C数据库遭遇ORA-600 16703
ORA-00600: internal error code, arguments: [16703], [1403], [32]
ORA-600 16703直接把orachk备份表插入到tab$恢复
ORA-600 16703故障解析—tab$表被清空
tab$异常被处理之后报ORA-600 13304故障处理

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-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
警告:互联网中有oracle介质被注入恶意程序导致—ORA-600 16703

发表在 Oracle备份恢复 | 标签为 , , , , | 评论关闭

ORA-600 16703直接把orachk备份表插入到tab$恢复

有一个朋友和我说,他们数据库出现了以下错误ORA-600 16703 错误
20210324195416


他们是在虚拟化环境中,可以恢复到上一个快照点,但是主机启动之后,数据库依旧异常,让我们进行处理

C:\Users\Administrator>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Mar 24 17:04:01 2021

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select open_mode from v$database;

OPEN_MODE
--------------------
READ WRITE

SQL> select count(1) from tab$;

  COUNT(1)
----------
         0

很明显tab$已经被清空,数据库无法正常使用.因为库没有crash,尝试把备份的orachk表插入进来

SQL> insert into tab$ select * from ORACHKB514061BDCB10EBA9CF58F3;

6318 rows created.

SQL> commit;

Commit complete.

SQL> select 'DROP TRIGGER '||owner||'."'||TRIGGER_NAME||'";' from dba_triggers w
here TRIGGER_NAME like 'DBMS_%_INTERNAL% '
  2  union all
  3  select 'DROP PROCEDURE '||owner||'."'||a.object_name||'";' from dba_procedu
res a where a.object_name like 'DBMS_%_INTERNAL% '
  4  union all
  5  select 'drop '||object_type||' '||owner||'.'||object_name||';' from dba_obj
ects where object_name in('DBMS_SUPPORT_DBMONITOR','DBMS_SUPPORT_DBMONITORP');

'DROPTRIGGER'||OWNER||'."'||TRIGGER_NAME||'";'
--------------------------------------------------------------------------------

drop PROCEDURE SYS.DBMS_SUPPORT_DBMONITORP;
drop TRIGGER SYS.DBMS_SUPPORT_DBMONITOR;

SQL> drop PROCEDURE SYS.DBMS_SUPPORT_DBMONITORP;

Procedure dropped.

SQL> drop TRIGGER SYS.DBMS_SUPPORT_DBMONITOR;

Trigger dropped.

SQL> commit;

Commit complete.

SQL>

重启数据库,该故障恢复完成,数据完美恢复0丢失.

发表在 非常规恢复 | 标签为 , , , | 评论关闭