SQL> alter system dump datafile 63 block 1;
System altered.
SQL> alter system dump datafile 63 block 2;
System altered.
SQL> alter system dump datafile 63 block 3;
System altered.
SQL> alter system dump datafile 63 block 4;
System altered.
*** 2011-08-24 22:46:04.332
*** ACTION NAME:() 2011-08-24 22:46:04.155
*** MODULE NAME:(sqlplus@sjfdcdb9 (TNS V1-V3)) 2011-08-24 22:46:04.155
*** SERVICE NAME:(SYS$USERS) 2011-08-24 22:46:04.155
*** SESSION ID:(269.1439) 2011-08-24 22:46:04.155
Start dump data blocks tsn: 17 file#: 63 minblk 1 maxblk 1
Block 1 (file header) not dumped: use dump file header command
End dump data blocks tsn: 17 file#: 63 minblk 2 maxblk 1
*** 2011-08-24 22:51:55.105
Start dump data blocks tsn: 17 file#: 63 minblk 2 maxblk 2
buffer tsn: 17 rdba: 0x0fc00002 (63/2)
scn: 0x0000.3e20db7a seq: 0x03 flg: 0x04 tail: 0xdb7a1d03
frmt: 0x02 chkval: 0x2ecc type: 0x1d=KTFB Bitmapped File Space Header
Hex dump of block: st=0, typ_found=1
Dump of memory from 0xB5E53E00 to 0xB5E55E00
B5E53E00 0000021D 0FC00002 3E20DB7A 04030000 [........z. >....]
B5E53E10 00002ECC 0000003F 00000080 00000183 [....?...........]
B5E53E20 00000009 00000100 00000580 00000002 [................]
B5E53E30 00000183 00000002 00000001 00000000 [................]
B5E53E40 00000000 00000000 00000000 00000000 [................]
B5E53E50 00000084 00000080 00000000 00000000 [................]
B5E53E60 00000000 00000000 00000000 00000000 [................]
Repeat 504 times
B5E55DF0 00000000 00000000 00000000 DB7A1D03 [..............z.]
File Space Header Block:
Header Control:
RelFno: 63, Unit: 128, Size: 387, Flag: 9
AutoExtend: YES, Increment: 256, MaxSize: 1408
Initial Area: 2, Tail: 387, First: 2, Free: 1
Deallocation scn: 0.0
Header Opcode:
Save: No Pending Op
End dump data blocks tsn: 17 file#: 63 minblk 2 maxblk 2
Start dump data blocks tsn: 17 file#: 63 minblk 3 maxblk 3
buffer tsn: 17 rdba: 0x0fc00003 (63/3)
scn: 0x0000.3e20db7a seq: 0x01 flg: 0x04 tail: 0xdb7a1e01
frmt: 0x02 chkval: 0xde39 type: 0x1e=KTFB Bitmapped File Space Bitmap
Hex dump of block: st=0, typ_found=1
Dump of memory from 0xB5E53E00 to 0xB5E55E00
B5E53E00 0000021E 0FC00003 3E20DB7A 04010000 [........z. >....]
B5E53E10 0000DE39 0000003F 00000004 00000000 [9...?...........]
B5E53E20 00000002 0000F7FE 00000000 00000000 [................]
.。。。。
Start dump data blocks tsn: 17 file#: 63 minblk 4 maxblk 4
buffer tsn: 17 rdba: 0x0fc00004 (63/4)
scn: 0x0000.3e20dbdd seq: 0x03 flg: 0x04 tail: 0xdbdd2003
frmt: 0x02 chkval: 0x1786 type: 0x20=FIRST LEVEL BITMAP BLOCK (这里type和前3个是不一样的了)
Hex dump of block: st=0, typ_found=1
Dump of memory from 0xB5E53E00 to 0xB5E55E00
B5E53E00 00000220 0FC00004 3E20DBDD 04030000 [ ......... >....]
B5E53E10 00001786 00000000 00000000 00000000 [................]
B5E53E20 00000000 00000000 00000000 00000000 [................]