Category Archives: bbed修复坏块

bbed解决ORA-01578

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标题：bbed解决ORA-01578

作者：惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

业务报ORA-01578坏块,无法正常使用,alert日志报错如下

Reading datafile '/data/u01/ZLDOCXML01.DBF' for corruption at rdba: 0x02efdc97 (file 11, block 3136663)
Reread (file 11, block 3136663) found same corrupt data
Wed Sep 13 19:02:04 2023
Corrupt Block Found
         TSN = 10, TSNAME = ZLDOCXML
         RFN = 11, BLK = 3136663, RDBA = 49274007
         OBJN = 73646, OBJD = 73646, OBJECT = SYS_LOB0000073645C00029$$, SUBOBJECT =
         SEGMENT OWNER = ZLDOC, SEGMENT TYPE = Lob Segment
DDE: Problem Key 'ORA 1578' was completely flood controlled (0x6)
Further messages for this problem key will be suppressed for up to 10 minutes

通过dbv检查数据文件,发现只有这一个坏块

[oracle@zlemr ~]$ dbv file=/data/u01/ZLDOCXML01.DBF

DBVERIFY: Release 11.2.0.1.0 - Production on Wed Sep 13 17:51:03 2023

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


DBVERIFY - Verification starting : FILE = /data/u01/ZLDOCXML01.DBF
Page 3136663 is influx - most likely media corrupt
Corrupt block relative dba: 0x02efdc97 (file 11, block 3136663)
Fractured block found during dbv: 
Data in bad block:
 type: 40 format: 2 rdba: 0x02efdc97
 last change scn: 0x0002.1065d622 seq: 0x2 flg: 0x04
 spare1: 0x0 spare2: 0x0 spare3: 0x0
 consistency value in tail: 0x00000001
 check value in block header: 0x48cf
 computed block checksum: 0xfe21


DBVERIFY - Verification complete

Total Pages Examined         : 3289600
Total Pages Processed (Data) : 0
Total Pages Failing   (Data) : 0
Total Pages Processed (Index): 21037
Total Pages Failing   (Index): 0
Total Pages Processed (Lob)  : 2051270
Total Pages Failing   (Lob)  : 0
Total Pages Processed (Other): 1068900
Total Pages Processed (Seg)  : 0
Total Pages Failing   (Seg)  : 0
Total Pages Empty            : 148392
Total Pages Marked Corrupt   : 1
Total Pages Influx           : 1
Total Pages Encrypted        : 0
Highest block SCN            : 278716397 (2.278716397)

通过bbed进入进行修复

[oracle@zlemr ~]$ bbed 
Password: 

BBED: Release 2.0.0.0.0 - Limited Production on Wed Sep 13 19:05:53 2023

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

************* !!! For Oracle Internal Use only !!! ***************

BBED> set filename '/data/u01/ZLDOCXML01.DBF'
        FILENAME        /data/u01/ZLDOCXML01.DBF

BBED> set block 3136663
        BLOCK#          3136663

BBED> verify
DBVERIFY - Verification starting
FILE = /data/u01/ZLDOCXML01.DBF
BLOCK = 3136663

Block 3136663 is corrupt
Corrupt block relative dba: 0x02efdc97 (file 0, block 3136663)
Fractured block found during verification
Data in bad block:
 type: 40 format: 2 rdba: 0x02efdc97
 last change scn: 0x0002.1065d622 seq: 0x2 flg: 0x04
 spare1: 0x0 spare2: 0x0 spare3: 0x0
 consistency value in tail: 0x00000001
 check value in block header: 0x48cf
 computed block checksum: 0xfe21


DBVERIFY - Verification complete

Total Blocks Examined         : 1
Total Blocks Processed (Data) : 0
Total Blocks Failing   (Data) : 0
Total Blocks Processed (Index): 0
Total Blocks Failing   (Index): 0
Total Blocks Empty            : 0
Total Blocks Marked Corrupt   : 1
Total Blocks Influx           : 2
Message 531 not found;  product=RDBMS; facility=BBED


BBED> map
 File: /data/u01/ZLDOCXML01.DBF (0)
 Block: 3136663                                Dba:0x00000000
------------------------------------------------------------
BBED-00400: invalid blocktype (40)


BBED> d
 File: /data/u01/ZLDOCXML01.DBF (0)
 Block: 3136663           Offsets:    0 to  511           Dba:0x00000000
------------------------------------------------------------------------
 28a20000 97dcef02 22d66510 02000204 cf480000 ae1f0100 00000001 00000280 
 93840000 00000000 00000000 00000000 80dcef02 00000000 000d000a 005b4e3b 
 6cbb533b 5e0867e5 623f8bb0 5f55005d 000d000a 4e3b6cbb 533b5e08 67e5623f 
 8bb05f55 00320030 00320033 002d0030 0039002d 00310033 00200030 0039003a 
 00310036 000d000a 4eca65e5 968f9ec4 4e1d51e4 4e3b6cbb 533b5e08 67e5623f 
 002c60a3 80058bc9 65e08179 75dbff0c 65e053d1 70ed3001 754f5bd2 ff0c65e0 
 59346655 30015934 75db3001 773c82b1 ff0c65e0 9f3b585e 30016d41 6d953001 
 54bd75db 300154b3 55fd3001 54b375f0 ff0c65e0 60765fc3 30015455 5410ff0c 
 65e080f8 95f73001 5fc360b8 3001547c 543856f0 96beff0c 65e05c3f 98913001 
 5c3f6025 30015c3f 75dbff0c 65e08179 6cfb7b49 4e0d9002 ff0c7cbe 795e3001 
 98df6b32 30017761 772053ef ff0c5927 5c0f4fbf 6b635e38 300267e5 4f53ff1a 
 751f547d 5f816b63 5e38ff0c 54bd65e0 51458840 ff0c6241 68434f53 65e080bf 
 5927ff0c 53cc4fa7 4e73623f 4e0d80c0 ff0c4e73 6c415206 6ccc591a ff0c672a 
 89e653ca 786c7ed3 ff0c5fc3 80ba672a 89c1660e 663e5f02 5e38ff0c 81798f6f 
 ff0c8179 90e8538b 75dbff0c 65e053cd 8df375db ff0c80a0 9e2397f3 6b635e38 
 30028f85 52a968c0 67e5ff1a 767d5e26 5e3889c4 ff1a767d 7ec680de 0020002b 

 <32 bytes per line>


BBED> set offset 8188
        OFFSET          8188

BBED> d
 File: /data/u01/ZLDOCXML01.DBF (0)
 Block: 3136663           Offsets: 8188 to 8191           Dba:0x00000000
------------------------------------------------------------------------
 01000000 

 <32 bytes per line>

BBED> set count 32
        COUNT           32

BBED> set mode edit
        MODE            Edit

BBED> d
 File: /data/u01/ZLDOCXML01.DBF (0)
 Block: 3136663           Offsets:   14 to   45           Dba:0x00000000
------------------------------------------------------------------------
 0204cf48 0000ae1f 01000000 00010000 02809384 00000000 00000000 00000000 

 <32 bytes per line>

BBED> set offset 8188
        OFFSET          8188

BBED> m /x 022822d6
 File: /data/u01/ZLDOCXML01.DBF (0)
 Block: 3136663           Offsets: 8188 to 8191           Dba:0x00000000
------------------------------------------------------------------------
 022822d6 

 <32 bytes per line>

BBED> sum apply
Check value for File 0, Block 3136663:
current = 0x48cf, required = 0x48cf

BBED> verify
DBVERIFY - Verification starting
FILE = /data/u01/ZLDOCXML01.DBF
BLOCK = 3136663


DBVERIFY - Verification complete

Total Blocks Examined         : 1
Total Blocks Processed (Data) : 0
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

dbv检测文件正常

[oracle@zlemr ~]$ dbv file=/data/u01/ZLDOCXML01.DBF

DBVERIFY: Release 11.2.0.1.0 - Production on Wed Sep 13 19:17:21 2023

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - Verification starting : FILE = /data/u01/ZLDOCXML01.DBF


DBVERIFY - Verification complete

Total Pages Examined         : 3289600
Total Pages Processed (Data) : 0
Total Pages Failing   (Data) : 0
Total Pages Processed (Index): 21037
Total Pages Failing   (Index): 0
Total Pages Processed (Lob)  : 2051586
Total Pages Failing   (Lob)  : 0
Total Pages Processed (Other): 1069031
Total Pages Processed (Seg)  : 0
Total Pages Failing   (Seg)  : 0
Total Pages Empty            : 147946
Total Pages Marked Corrupt   : 0
Total Pages Influx           : 0
Total Pages Encrypted        : 0
Highest block SCN            : 278849105 (2.278849105)

业务测试正常,数据完美恢复

校验代码为 6054 坏块故障修复

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联系：手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题：校验代码为 6054 坏块故障修复

作者：惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

有客户反馈数据库操作报错,希望我们给予处理,报错信息如下:
20211204223138

通过对system01.dbf数据文件分析

C:\Users\XFF>dbv file=H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF

DBVERIFY: Release 11.2.0.4.0 - Production on 星期六 12月 4 20:45:23 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - 开始验证: FILE = H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF

DBV-00200: 块 DBA 4330012 已标记为损坏
csc(0x0000.1686df22) higher than block scn(0x0000.00000000)
页 135708 失败, 校验代码为 6054


DBVERIFY - 验证完成

检查的页总数: 184320
处理的页总数 (数据): 93105
失败的页总数 (数据): 0
处理的页总数 (索引): 31365
失败的页总数 (索引): 1
处理的页总数 (其他): 43622
处理的总页数 (段)  : 1
失败的总页数 (段)  : 0
空的页总数: 16228
标记为损坏的总页数: 1
流入的页总数: 0
加密的总页数        : 0
最高块 SCN            : 378591519 (0.378591519)

确认block 135708 有问题,确认起对象为I_OBJ5

SQL> SELECT OWNER, SEGMENT_NAME, SEGMENT_TYPE, TABLESPACE_NAME, A.PARTITION_NAME
  2    FROM DBA_EXTENTS A
  3   WHERE FILE_ID = &FILE_ID
  4     AND &BLOCK_ID BETWEEN BLOCK_ID AND BLOCK_ID + BLOCKS - 1;
输入 file_id 的值:  1
原值    3:  WHERE FILE_ID = &FILE_ID
新值    3:  WHERE FILE_ID = 1
输入 block_id 的值:  135708
原值    4:    AND &BLOCK_ID BETWEEN BLOCK_ID AND BLOCK_ID + BLOCKS - 1
新值    4:    AND 135708 BETWEEN BLOCK_ID AND BLOCK_ID + BLOCKS - 1

OWNER                          SEGMENT_NAME    SEGMENT_TYPE       TABLESPACE_NAME                PARTITION_NAME
------------------------------ --------------- ------------------ ------------------------------ -----------------
SYS                            I_OBJ5          INDEX
                    SYSTEM

这个对象为核心对象obj$的index,无法直接rebuild,当然可以通过参考以前blog文档进行重建:bootstrap$核心index(I_OBJ1,I_USER1,I_FILE#_BLOCK#,I_IND1,I_TS#,I_CDEF1等)异常恢复—ORA-00701错误解决,直接对该坏块进行修复.

BBED> p kcbh
struct kcbh, 20 bytes                       @0
   ub1 type_kcbh                            @0        0x06
   ub1 frmt_kcbh                            @1        0xa2
   ub1 spare1_kcbh                          @2        0x00
   ub1 spare2_kcbh                          @3        0x00
   ub4 rdba_kcbh                            @4        0x0042121c
   ub4 bas_kcbh                             @8        0x00000000
   ub2 wrp_kcbh                             @12       0x0000
   ub1 seq_kcbh                             @14       0xff
   ub1 flg_kcbh                             @15       0x04 (KCBHFCKV)
   ub2 chkval_kcbh                          @16       0xe8c4
   ub2 spare3_kcbh                          @18       0x0000

BBED> m /x 23df8616
 File: H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF (0)
 Block: 135709           Offsets:    8 to  519           Dba:0x00000000
------------------------------------------------------------------------
 23df8616 00000104 44fe0000 02000000 28000000 22df8616 00000000 02000200
 00000000 0a001800 f7dc1b00 8002c000 bdd80100 00e00000 f331b114 0a001f00
 14081e00 4505c000 2c103b00 01200000 2adf8616 00008009 01000000 3f00a200
 35074010 00000000 e1b24100 56694100 06000000 641f0000 57119211 cd11d208
 97080812 43127e12 b912f412 2f130d09 e013bd09 1b14cc14 0715ab07 5c087d15
 b715f215 a3167007 3507de16 19175417 21088f17 ca170518 4018330a 1f0b7b18
 2c196719 a219dd19 181a531a 8e1a4709 031be607 f809791b b41bef1b 2a1c651c
 db1ce20d 8c1d310d c71d021e 3d1e781e b31e8209 291f291f 291f291f 291f291f
 291f291f 291f0000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 <32 bytes per line>

然后dbv报以下错误

C:\Users\XFF>dbv file=H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF

DBVERIFY: Release 11.2.0.4.0 - Production on 星期六 12月 4 22:06:49 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - 开始验证: FILE = H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF
itl[2] has higher commit scn(0x0000.1686df2a) than block scn (0x0000.1686df23)
页 135708 失败, 校验代码为 6056


DBVERIFY - 验证完成

检查的页总数: 184320
处理的页总数 (数据): 95152
失败的页总数 (数据): 0
处理的页总数 (索引): 34569
失败的页总数 (索引): 1
处理的页总数 (其他): 38386
处理的总页数 (段)  : 1
失败的总页数 (段)  : 0
空的页总数: 16213
标记为损坏的总页数: 0
流入的页总数: 0
加密的总页数        : 0
最高块 SCN            : 378683101 (0.378683101)

再次对其进行修复

BBED> m /x 22df8616
 File: H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF (0)
 Block: 135709           Offsets:   88 to  599           Dba:0x00000000
------------------------------------------------------------------------
 22df8616 00008009 01000000 3f00a200 35074010 00000000 e1b24100 56694100
 06000000 641f0000 57119211 cd11d208 97080812 43127e12 b912f412 2f130d09
 e013bd09 1b14cc14 0715ab07 5c087d15 b715f215 a3167007 3507de16 19175417
 21088f17 ca170518 4018330a 1f0b7b18 2c196719 a219dd19 181a531a 8e1a4709
 031be607 f809791b b41bef1b 2a1c651c db1ce20d 8c1d310d c71d021e 3d1e781e
 b31e8209 291f291f 291f291f 291f291f 291f291f 291f0000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

 <32 bytes per line>

再次dbv检查修复成功

C:\Users\XFF>dbv file=H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF

DBVERIFY: Release 11.2.0.4.0 - Production on 星期六 12月 4 22:30:14 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - 开始验证: FILE = H:\BAIDUNETDISK\GS6.0BAK20211202\SYSTEM01.DBF


DBVERIFY - 验证完成

检查的页总数: 184320
处理的页总数 (数据): 95152
失败的页总数 (数据): 0
处理的页总数 (索引): 34569
失败的页总数 (索引): 0
处理的页总数 (其他): 38386
处理的总页数 (段)  : 1
失败的总页数 (段)  : 0
空的页总数: 16213
标记为损坏的总页数: 0
流入的页总数: 0
加密的总页数        : 0
最高块 SCN            : 378683101 (0.378683101)

对于这类的坏块,也可以通过我们的Oracle recovery tools进行快速恢复
20211204225050