Oracle 12C 数据非常规恢复工具bbed怎么用

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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

1.Oracle 12C中编译bbed

[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/

2.测试12C中bbed

[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

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