BBED> set file 1        FILE#           1BBED> set block 1        BLOCK#          1--查看第一个数据块的整体结构BBED> map /v File: /u01/app/oracle/oradata/ORCL/datafile/o1_mf_system_bc7ld3sf_.dbf (1) Block: 1                                     Dba:0x00400001------------------------------------------------------------ Data File Header struct kcvfh, 676 bytes                    @0           struct kcvfhbfh, 20 bytes               @0           struct kcvfhhdr, 76 bytes               @20          ub4 kcvfhrdb                            @96          struct kcvfhcrs, 8 bytes                @100         ub4 kcvfhcrt                            @108         ub4 kcvfhrlc                            @112         struct kcvfhrls, 8 bytes                @116         ub4 kcvfhbti                            @124         struct kcvfhbsc, 8 bytes                @128         ub2 kcvfhbth                            @136         ub2 kcvfhsta                            @138         struct kcvfhckp, 36 bytes               @484         ub4 kcvfhcpc                            @140         ub4 kcvfhrts                            @144         ub4 kcvfhccc                            @148         struct kcvfhbcp, 36 bytes               @152         ub4 kcvfhbhz                            @312         struct kcvfhxcd, 16 bytes               @316         word kcvfhtsn                           @332         ub2 kcvfhtln                            @336         text kcvfhtnm[30]                       @338         ub4 kcvfhrfn                            @368         struct kcvfhrfs, 8 bytes                @372         ub4 kcvfhrft                            @380         struct kcvfhafs, 8 bytes                @384         ub4 kcvfhbbc                            @392         ub4 kcvfhncb                            @396         ub4 kcvfhmcb                            @400         ub4 kcvfhlcb                            @404         ub4 kcvfhbcs                            @408         ub2 kcvfhofb                            @412         ub2 kcvfhnfb                            @414         ub4 kcvfhprc                            @416         struct kcvfhprs, 8 bytes                @420         struct kcvfhprfs, 8 bytes               @428         ub4 kcvfhtrt                            @444      ub4 tailchk                                @8188    BBED>

--print结构 kcvfhBBED> print kcvfhstruct kcvfh, 676 bytes                     @0          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       0xd5f6      ub2 spare3_kcbh                       @18       0x0000   struct kcvfhhdr, 76 bytes                @20            ub4 kccfhswv                          @20       0x00000000      ub4 kccfhcvn                          @24       0x0a200100      ub4 kccfhdbi                          @28       0x533ddaa4      text kccfhdbn[0]                      @32      O      text kccfhdbn[1]                      @33      R      text kccfhdbn[2]                      @34      C      text kccfhdbn[3]                      @35      L      text kccfhdbn[4]                      @36             text kccfhdbn[5]                      @37             text kccfhdbn[6]                      @38             text kccfhdbn[7]                      @39             ub4 kccfhcsq                          @40       0x0000022d      ub4 kccfhfsz                          @44       0x0000f000      s_blkz kccfhbsz                       @48       0x00      ub2 kccfhfno                          @52       0x0001      ub2 kccfhtyp                          @54       0x0003      ub4 kccfhacid                         @56       0x00000000      ub4 kccfhcks                          @60       0x00000000      text kccfhtag[0]                      @64             text kccfhtag[1]                      @65             text kccfhtag[2]                      @66             text kccfhtag[3]                      @67             text kccfhtag[4]                      @68             text kccfhtag[5]                      @69             text kccfhtag[6]                      @70             text kccfhtag[7]                      @71             text kccfhtag[8]                      @72             text kccfhtag[9]                      @73             text kccfhtag[10]                     @74             text kccfhtag[11]                     @75             text kccfhtag[12]                     @76             text kccfhtag[13]                     @77             text kccfhtag[14]                     @78             text kccfhtag[15]                     @79             text kccfhtag[16]                     @80             text kccfhtag[17]                     @81             text kccfhtag[18]                     @82             text kccfhtag[19]                     @83             text kccfhtag[20]                     @84             text kccfhtag[21]                     @85             text kccfhtag[22]                     @86             text kccfhtag[23]                     @87             text kccfhtag[24]                     @88             text kccfhtag[25]                     @89             text kccfhtag[26]                     @90             text kccfhtag[27]                     @91             text kccfhtag[28]                     @92             text kccfhtag[29]                     @93             text kccfhtag[30]                     @94             text kccfhtag[31]                     @95          ub4 kcvfhrdb                             @96       0x00400179   struct kcvfhcrs, 8 bytes                 @100           ub4 kscnbas                           @100      0x00000005      ub2 kscnwrp                           @104      0x0000   ub4 kcvfhcrt                             @108      0x33c88f35   ub4 kcvfhrlc                             @112      0x33cecf37   struct kcvfhrls, 8 bytes                 @116           ub4 kscnbas                           @116      0x00073e32      ub2 kscnwrp                           @120      0x0000   ub4 kcvfhbti                             @124      0x00000000   struct kcvfhbsc, 8 bytes                 @128           ub4 kscnbas                           @128      0x00000000      ub2 kscnwrp                           @132      0x0000   ub2 kcvfhbth                             @136      0x0000   ub2 kcvfhsta                             @138      0x2004 (KCVFHOFZ)   struct kcvfhckp, 36 bytes                @484           struct kcvcpscn, 8 bytes              @484              ub4 kscnbas                        @484      0x00073e33         ub2 kscnwrp                        @488      0x0000      ub4 kcvcptim                          @492      0x33cecf3e      ub2 kcvcpthr                          @496      0x0001      union u, 12 bytes                     @500              struct kcvcprba, 12 bytes          @500                 ub4 kcrbaseq                    @500      0x00000001            ub4 kcrbabno                    @504      0x00000002            ub2 kcrbabof                    @508      0x0010      ub1 kcvcpetb[0]                       @512      0x02      ub1 kcvcpetb[1]                       @513      0x00      ub1 kcvcpetb[2]                       @514      0x00      ub1 kcvcpetb[3]                       @515      0x00      ub1 kcvcpetb[4]                       @516      0x00      ub1 kcvcpetb[5]                       @517      0x00      ub1 kcvcpetb[6]                       @518      0x00      ub1 kcvcpetb[7]                       @519      0x00   ub4 kcvfhcpc                             @140      0x00000043   ub4 kcvfhrts                             @144      0x33cecf1e   ub4 kcvfhccc                             @148      0x00000042   struct kcvfhbcp, 36 bytes                @152           struct kcvcpscn, 8 bytes              @152              ub4 kscnbas                        @152      0x00000000         ub2 kscnwrp                        @156      0x0000      ub4 kcvcptim                          @160      0x00000000      ub2 kcvcpthr                          @164      0x0000      union u, 12 bytes                     @168              struct kcvcprba, 12 bytes          @168                 ub4 kcrbaseq                    @168      0x00000000            ub4 kcrbabno                    @172      0x00000000            ub2 kcrbabof                    @176      0x0000      ub1 kcvcpetb[0]                       @180      0x00      ub1 kcvcpetb[1]                       @181      0x00      ub1 kcvcpetb[2]                       @182      0x00      ub1 kcvcpetb[3]                       @183      0x00      ub1 kcvcpetb[4]                       @184      0x00      ub1 kcvcpetb[5]                       @185      0x00      ub1 kcvcpetb[6]                       @186      0x00      ub1 kcvcpetb[7]                       @187      0x00   ub4 kcvfhbhz                             @312      0x00000000   struct kcvfhxcd, 16 bytes                @316           ub4 space_kcvmxcd[0]                  @316      0x00000000      ub4 space_kcvmxcd[1]                  @320      0x00000000      ub4 space_kcvmxcd[2]                  @324      0x00000000      ub4 space_kcvmxcd[3]                  @328      0x00000000   word kcvfhtsn                            @332      0   ub2 kcvfhtln                             @336      0x0006   text kcvfhtnm[0]                         @338     S   text kcvfhtnm[1]                         @339     Y   text kcvfhtnm[2]                         @340     S   text kcvfhtnm[3]                         @341     T   text kcvfhtnm[4]                         @342     E   text kcvfhtnm[5]                         @343     M   text kcvfhtnm[6]                         @344         text kcvfhtnm[7]                         @345         text kcvfhtnm[8]                         @346         text kcvfhtnm[9]                         @347         text kcvfhtnm[10]                        @348         text kcvfhtnm[11]                        @349         text kcvfhtnm[12]                        @350         text kcvfhtnm[13]                        @351         text kcvfhtnm[14]                        @352         text kcvfhtnm[15]                        @353         text kcvfhtnm[16]                        @354         text kcvfhtnm[17]                        @355         text kcvfhtnm[18]                        @356         text kcvfhtnm[19]                        @357         text kcvfhtnm[20]                        @358         text kcvfhtnm[21]                        @359         text kcvfhtnm[22]                        @360         text kcvfhtnm[23]                        @361         text kcvfhtnm[24]                        @362         text kcvfhtnm[25]                        @363         text kcvfhtnm[26]                        @364         text kcvfhtnm[27]                        @365         text kcvfhtnm[28]                        @366         text kcvfhtnm[29]                        @367         ub4 kcvfhrfn                             @368      0x00000001   struct kcvfhrfs, 8 bytes                 @372           ub4 kscnbas                           @372      0x00000000      ub2 kscnwrp                           @376      0x0000   ub4 kcvfhrft                             @380      0x00000000   struct kcvfhafs, 8 bytes                 @384           ub4 kscnbas                           @384      0x00000000      ub2 kscnwrp                           @388      0x0000   ub4 kcvfhbbc                             @392      0x00000000   ub4 kcvfhncb                             @396      0x00000000   ub4 kcvfhmcb                             @400      0x00000000   ub4 kcvfhlcb                             @404      0x00000000   ub4 kcvfhbcs                             @408      0x00000000   ub2 kcvfhofb                             @412      0x000a   ub2 kcvfhnfb                             @414      0x000a   ub4 kcvfhprc                             @416      0x33ce5d9c   struct kcvfhprs, 8 bytes                 @420           ub4 kscnbas                           @420      0x0006ca36      ub2 kscnwrp                           @424      0x0000   struct kcvfhprfs, 8 bytes                @428           ub4 kscnbas                           @428      0x00000000      ub2 kscnwrp                           @432      0x0000   ub4 kcvfhtrt                             @444      0x00000000BBED>