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Oracle 12C 数据非常规恢复工具bbed怎么用

发表于:2025-01-22 作者:千家信息网编辑
千家信息网最后更新 2025年01月22日,这篇文章主要为大家展示了"Oracle 12C 数据非常规恢复工具bbed怎么用",内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下"Oracle 12C 数据非
千家信息网最后更新 2025年01月22日Oracle 12C 数据非常规恢复工具bbed怎么用

这篇文章主要为大家展示了"Oracle 12C 数据非常规恢复工具bbed怎么用",内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下"Oracle 12C 数据非常规恢复工具bbed怎么用"这篇文章吧。

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 sysdbaSQL*Plus: Release 12.1.0.0.2 Beta on Thu Dec 13 09:55:35 2012Copyright (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 optionsSQL> select name from v$datafile where rownum=1;NAME--------------------------------------------------------------------------------/u01/app/oracle/oradata/oracleplus/system01.dbfSQL> select * from v$version;BANNER                                                                               CON_ID-------------------------------------------------------------------------------- ----------Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit                         0PL/SQL Release 12.1.0.0.2                                                                 0CORE    12.1.0.0.2                                                                        0TNS for Linux: Version 12.1.0.0.2                                                         0NLSRTL Version 12.1.0.0.2                                                                 0SQL> exitDisconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit     With the Partitioning, OLAP, Data Mining and Real Application Testing options

1.Oracle 12C中编译bbed

[oracle@oracleplus bbed_64]$ ls -ltotal 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/bbedLinking 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/

2.测试12C中bbed

[oracle@oracleplus ~]$ bbedPassword: BBED: Release 2.0.0.0.0 - Limited Production on Thu Dec 13 09:58:16 2012Copyright (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.dbfBBED> 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           NoBBED> 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 kcvfhbfhstruct 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       0x0000BBED> set block 1233        BLOCK#          1233BBED> 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

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