BBED map dump命令
BBED> infoFile#Name Size(blks)
--------- ----------
1/u01/app/oracle/oradata/omrep/system01.dbf 89600
2/u01/app/oracle/oradata/omrep/sysaux01.dbf 76800
3/u01/app/oracle/oradata/omrep/undotbs01.dbf 25600
4/u01/app/oracle/oradata/omrep/users01.dbf 22560
BBED> map
File: /u01/app/oracle/oradata/omrep/system01.dbf (1)
Block: 1 Dba:0x00400001
------------------------------------------------------------
Data File Header
struct kcvfh, 860 bytes @0
ub4 tailchk @8188
@后面代表的对应的信息在block里的偏移量，即offset。
使用/v 选项，可以查看更详细的信息。
BBED> map /v dba 1,33129
File: /u01/app/oracle/oradata/omrep/system01.dbf (1)
Block: 33129 Dba:0x00408169
------------------------------------------------------------
KTB Data Block (Table/Cluster)
struct kcbh, 20 bytes @0
ub1 type_kcbh @0
ub1 frmt_kcbh @1
ub1 spare1_kcbh @2
ub1 spare2_kcbh @3
ub4 rdba_kcbh @4
ub4 bas_kcbh @8
ub2 wrp_kcbh @12
ub1 seq_kcbh @14
ub1 flg_kcbh @15
ub2 chkval_kcbh @16
ub2 spare3_kcbh @18
......................................................
ub1 freespace @114
ub1 rowdata @8176
ub4 tailchk @8188
***********************************************************************
BBED> map block 8888
File: /u01/app/oracle/oradata/omrep/system01.dbf (1)
Block: 8888 Dba:0x004022b8
------------------------------------------------------------
Unlimited Data Segment Header
struct kcbh, 20 bytes @0
struct ktech, 72 bytes @20
struct ktemh, 16 bytes @92
struct ktetb, 8 bytes @108
struct ktshc, 8 bytes @4148
struct ktsfs_seg, 20 bytes @4156
struct ktsfs_txn, 320 bytes @4176
ub4 tailchk @8188
BBED> dump /v dba 1,33129 offset 0 count 128
File: /u01/app/oracle/oradata/omrep/system01.dbf (1)
Block: 33129 Offsets: 0 to127Dba:0x00408169
-------------------------------------------------------
06a20000 69814000 0e671300 00000606 l .￠..i.@..g......
15d50000 01000000 9c360000 0c671300 l .Õ.......6...g..
00000000 02000300 00000000 06000100 l ................
67020000 1202c000 4e003a00 02200000 l g.....à.N.:.. ..
0e671300 00000000 00000000 00000000 l .g..............
00000000 00000000 00000000 00010200 l ................
ffff1600 941f781f 781f0000 02009a1f l ......x.x.......
941f0000 00000000 00000000 00000000 l ................
<16 bytes per line>
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