bbed解决ORA-01578---惜分飞

news/2024/7/10 21:10:46 标签: ffmpeg

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


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