3 ffffffff 02c1032c 001102c1
06145f53 5953534d 55355f31 35323734 36393033 382402c1 0202c104 03c2025d
05c40614 11340180 03c20d4c 03c20512 018002c1 0302c103 ffffffff 02c1032c
001102c1 05145f53 5953534d 55345f31 31353230 30353935 342402c1 0202c104
03c2024d 05c4023e 14400180 03c2084c 03c20461 018002c1 0402c103 ffffffff
02c1032c 001102c1 04145f53 5953534d 55335f32 30393736 37373533 312402c1
0202c104 03c2023d 05c40614 11360180 03c20b5d 03c2053a 018002c1 0302c103
ffffffff 02c1032c 001102c1 03145f53 5953534d 55325f32 32333235 37313038
<32 bytes per line>
BBED> p *kdbr[10]
rowdata[799]
------------
ub1 rowdata[799] @4679 0x2c
BBED> x /1rnnnnnnnn
rowdata[799] @4679
------------
flag@4679: 0x2c (KDRHFL, KDRHFF, KDRHFH)
lock@4680: 0x00
cols@4681: 17
col 0[2] @4682: 10
col 1[21] @4685: -0
col 2[2] @4707: 1
col 3[2] @4710: 3
col 4[3] @4713: 272
col 5[5] @4717: 5168854
col 6[1] @4723: 0
col 7[3] @4725: 866
col 8[3] @4729: 350
col 9[1] @4733: 0
col 10[2] @4735: 1
col 11[2] @4738: 2
col 12[0] @4741: *NULL*
col 13[0] @4742: *NULL*
col 14[0] @4743: *NULL*
col 15[0] @4744: *NULL*
col 16[2] @4745: 2
BBED> sum apply;
Check value for File 1, Block 225:
current = 0x93df, required = 0x93df
BBED> verify
DBVERIFY - Verification starting
FILE = /opt/oracle/oradata/orcl11g/system01.dbf
BLOCK = 225
DBVERIFY - Verification complete
Total Blocks Examined : 1
Total Blocks Processed (Data) : 1
Total Blocks Failing (Data) : 0
Total Blocks Processed (Index): 0
Total Blocks Failing (Index): 0
Total Blocks Empty : 0
Total Blocks Marked Corrupt : 0
Total Blocks Influx : 0
Message 531 not found; product=RDBMS; facility=BBED
刷新缓存，重新查看视图：
SYS@orcl11g>alter system flush buffer_cache;
System altered.
SYS@orcl11g>select segment_name,tablespace_name,status from dba_rollback_segs;
SEGMENT_NAME TABLESPACE_NAME STATUS
------------------------------ -------------------- ------------------------------------------------------------
SYSTEM SYSTEM ONLINE
_SYSSMU10_3550978943$ UNDOTBS1 OFFLINE
_SYSSMU9_1424341975$ UNDOTBS1 OFFLINE
_SYSSMU8_2012382730$ UNDOTBS1 OFFLINE
_SYSSMU7_3286610060$ UNDOTBS1 OFFLINE
_SYSSMU6_2443381498$ UNDOTBS1 OFFLINE
_SYSSMU5_1527469038$ UNDOTBS1 OFFLINE
_SYSSMU4_1152005954$ UNDOTBS1 OFFLINE
_SYSSMU3_2097677531$ UNDOTBS1 OFFLINE
_SYSSMU2_2232571081$ UNDOTBS1 OFFLINE
_SYSSMU1_3780397527$ UNDOTBS1 OFFLINE
_SYSSMU20_3705739785$ UNDOTBS02 ONLINE
_SYSSMU19_3920348761$ UNDOTBS02 ONLINE
_SYSSMU18_2539622763$ UNDOTBS02 ONLINE
_SYSSMU17_178842559$ UNDOTBS02 ONLINE
_SYSSMU16_3035903491$ UNDOTBS02 ONLINE
_SYSSMU15_444141832$ UNDOTBS02 ONLINE
_SYSSMU14_3021863913$ UNDOTBS02 ONLINE
_SYSSMU13_3717211136$ UNDOTBS02 ONLINE
_SYSSMU12_3182721254$ UNDOTBS02 ONLINE
_SYSSMU11_3909920883$ UNDOTBS02 ONLINE
SYS@orcl11g>select name,status$ from undo$;
NAME STATUS$
------------------------------------------------------------ ----------
SYSTEM 3
_SYSSMU1_3780397527$ 2
_SYSSMU2_2232571081$ 2
_SYSSMU3_2097677531$ 2
_SYSSMU4_1152005954$ 2
_SYSSMU5_1527469038$ 2
_SYSSMU6_2443381498$ 2
_SYSSMU7_3286610060$ 2
_SYSSMU8_2012382730$ 2
_SYSSMU9_1424341975$ 2
_SYSSMU10_3550978943$ 1
_SYSSMU11_3909920883$ 3
_SYSSMU12_3182721254$ 3
_SYSSMU13_3717211136$ 3
_SY