时间:2021-07-01 10:21:17 帮助过:1人阅读
ORACLE 12C 依然支持 bbed,ORACLE 12C的测试版出来了,对于习惯了使用bbed(ORACLE 手术刀)的人来说,12C是否继续被支持是一个很让人关注的问题,通过本实验测试,12C继续支持bbed,很多艰难的数据库恢复依然可以通过bbed来实现,也从侧面说明,ORACLE 12C在块的结构上还依然和以往版本相似
数据库信息
- [oracle@oracleplus ~]$ sqlplus / as sysdba
- SQL*Plus: Release 12.1.0.0.2 Beta on Thu Dec 13 09:55:35 2012
- Copyright (c) 1982, 2012, Oracle. All rights reserved.
- Connected to:
- Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit
- With the Partitioning, OLAP, Data Mining and Real Application Testing options
- SQL> select name from v$datafile where rownum=1;
- NAME
- --------------------------------------------------------------------------------
- /u01/app/oracle/oradata/oracleplus/system01.dbf
- SQL> select * from v$version;
- BANNER CON_ID
- -------------------------------------------------------------------------------- ----------
- Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit 0
- PL/SQL Release 12.1.0.0.2 0
- CORE 12.1.0.0.2 0
- TNS for Linux: Version 12.1.0.0.2 0
- NLSRTL Version 12.1.0.0.2 0
- SQL> exit
- Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit
- With the Partitioning, OLAP, Data Mining and Real Application Testing options
- [oracle@oracleplus bbed_64]$ ls -l
- total 32
- -rw-r--r-- 1 oracle oinstall 8704 Apr 20 2010 bbedus.msb
- -rw-r--r-- 1 oracle oinstall 10270 Jul 25 2000 bbedus.msg
- -rw-r--r-- 1 oracle oinstall 3976 Apr 20 2010 sbbdpt.o
- -rw-r--r-- 1 oracle oinstall 3306 Apr 20 2010 ssbbded.o
- [oracle@oracleplus ~]$ cd /u01/app/oracle/product/12.1/db_1/rdbms/lib
- [oracle@oracleplus lib]$ cp ~/bbed_64/s* ./
- [oracle@oracleplus lib]$ cd ../
- [oracle@oracleplus rdbms]$ cd /u01/app/oracle/product/12.1/db_1/rdbms/mesg
- [oracle@oracleplus mesg]$ cp ~/bbed_64/bbedus.ms* ./
- [oracle@oracleplus ~]$ cd /u01/app/oracle/product/12.1/db_1/rdbms/lib
- [oracle@oracleplus lib]$ make -f ins_rdbms.mk /u01/app/oracle/product/12.1/db_1/rdbms/lib/bbed
- Linking BBED utility (bbed)
- rm -f /u01/app/oracle/product/12.1/db_1/rdbms/lib/bbed
- /u01/app/oracle/product/12.1/db_1/bin/orald -o /u01/app/oracle/product/12.1/db_1/rdbms/lib/bbed
- …………
- /u01/app/oracle/product/12.1/db_1/lib/sysliblist` -ldl -lm -L/u01/app/oracle/product/12.1/db_1/lib
- [oracle@oracleplus lib]$ mv bbed /u01/app/oracle/product/12.1/db_1/bin/
- [oracle@oracleplus ~]$ bbed
- Password:
- BBED: Release 2.0.0.0.0 - Limited Production on Thu Dec 13 09:58:16 2012
- Copyright (c) 1982, 2012, Oracle and/or its affiliates. All rights reserved.
- ************* !!! For Oracle Internal Use only !!! ***************
- BBED> set filename ‘/u01/app/oracle/oradata/oracleplus/system01.dbf‘
- FILENAME /u01/app/oracle/oradata/oracleplus/system01.dbf
- BBED> show
- FILE# 0
- BLOCK# 1
- OFFSET 0
- DBA 0x00000000 (0 0,1)
- FILENAME /u01/app/oracle/oradata/oracleplus/system01.dbf
- BIFILE bifile.bbd
- LISTFILE
- BLOCKSIZE 8192
- MODE Browse
- EDIT Unrecoverable
- IBASE Dec
- OBASE Dec
- WIDTH 80
- COUNT 512
- LOGFILE log.bbd
- SPOOL No
- BBED> map
- File: /u01/app/oracle/oradata/oracleplus/system01.dbf (0)
- Block: 1 Dba:0x00000000
- ------------------------------------------------------------
- Data File Header
- struct kcvfh, 1112 bytes @0
- ub4 tailchk @8188
- BBED> p kcvfhbfh
- struct kcvfhbfh, 20 bytes @0
- ub1 type_kcbh @0 0x0b
- ub1 frmt_kcbh @1 0xa2
- ub1 spare1_kcbh @2 0x00
- ub1 spare2_kcbh @3 0x00
- ub4 rdba_kcbh @4 0x00400001
- ub4 bas_kcbh @8 0x00000000
- ub2 wrp_kcbh @12 0x0000
- ub1 seq_kcbh @14 0x01
- ub1 flg_kcbh @15 0x04 (KCBHFCKV)
- ub2 chkval_kcbh @16 0x21a8
- ub2 spare3_kcbh @18 0x0000
- BBED> set block 1233
- BLOCK# 1233
- BBED> map
- File: /u01/app/oracle/oradata/oracleplus/system01.dbf (0)
- Block: 1233 Dba:0x00000000
- ------------------------------------------------------------
- KTB Data Block (Index Leaf)
- struct kcbh, 20 bytes @0
- struct ktbbh, 72 bytes @20
- struct kdxle, 32 bytes @92
- sb2 kd_off[517] @124
- ub1 freespace[302] @1158
- ub1 rowdata[6660] @1460
- ub4 tailchk @8188
--------------------------------------ORACLE-DBA----------------------------------------
最权威、专业的Oracle案例资源汇总之学习笔记:Oracle 12C 数据非常规恢复工具bbed的使用说明
原文唯一网址:http://www.oracleplus.net/arch/oracle-20160617-416.html
学习笔记:Oracle 12C 数据非常规恢复工具bbed的使用说明
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