goldegate_source_trail_missing

作者：顺辉1988 | 来源：互联网 | 2018-06-12 12:52

前几天被问到ogg源端EXTRACT进程trail文件由于某种原因丢失（删除）。手工模拟下源端抽取进程丢失一个trail文件模拟trail文件丢失插入数据SQLBEGIN2FORiIN2001..3000loop3INSERTINTOtest1VALUESi,a,sysdate;4commit;5ENDloop;6EN

前几天被问到ogg源端EXTRACT进程trail文件由于某种原因丢失（删除）。手工模拟下源端抽取进程丢失一个trail文件模拟 trail 文件丢失插入数据SQL BEGIN 2 FOR i IN 2001..3000 loop 3 INSERT INTO test1 VALUES i,'a',sysdate; 4 commit; 5 END loop; 6 EN

前几天被问到ogg源端EXTRACT进程trail文件由于某种原因丢失（删除）。

手工模拟下源端抽取进程丢失一个trail文件

模拟 trail 文件丢失

插入数据
SQL> BEGIN
  2  FOR i IN 2001..3000 loop
  3  INSERT INTO test1 VALUES &＃40;i,'a',sysdate&＃41;;
  4  commit;
  5  END loop;
  6  END;
  7  /
 
PL/SQL PROCEDURE successfully completed.
 
SQL> BEGIN
  2  FOR i IN 3001..4000 loop
  3  INSERT INTO test1 VALUES &＃40;i,'a',sysdate&＃41;;
  4  commit;
  5  END loop;
  6  END;
  7  /
 
PL/SQL PROCEDURE successfully completed.
 
 
GGSCI &＃40;enmotech&＃41; 60>  shell ls -lh ./dirdat/et000000
 
-rw-r----- 1 oracle oinstall 475K Nov 23 22:29 ./dirdat/et000000

停止rpee插入数据,让dump传输过来数据不应用

GGSCI &＃40;enmotech&＃41; 61> stop RPEE
 
Sending STOP request TO REPLICAT RPEE ...
Request processed.
 
再次插入数据
SQL> BEGIN
  2  FOR i IN 4001..5000 loop
  3  INSERT INTO test1 VALUES &＃40;i,'a',sysdate&＃41;;
  4  commit;
  5  END loop;
  6  END;
  7  /
 
PL/SQL PROCEDURE successfully completed.

停止ddump并插入数据

GGSCI &＃40;enmotech&＃41; 62> stop ddump
 
Sending STOP request TO EXTRACT DDUMP ...
Request processed.
 
 
 
SQL> BEGIN
  2  FOR i IN 5001..6000 loop
  3  INSERT INTO test1 VALUES &＃40;i,'a',sysdate&＃41;;
  4  commit;
  5  END loop;
  6  END;
  7  /
 
PL/SQL PROCEDURE successfully completed.

插入数据让ext抽取但是ddump不传输

GGSCI (enmotech) 63> info *
 
EXTRACT    DDUMP     Last Started 2014-11-23 22:25   Status STOPPED
Checkpoint Lag       00:00:00 (updated 00:00:16 ago)
Log Read Checkpoint  File ./dirdat/ee000068
                     2014-11-23 22:30:43.000000  RBA 807686
 
EXTRACT    EXT1      Last Started 2014-11-23 21:45   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:03 ago)
Log Read Checkpoint  Oracle Redo Logs
                     2014-11-23 22:30:57  Seqno 744, RBA 18682368
                     SCN 2.4426980 (8594361572)
 
EXTRACT    E_SQL     Last Started 2014-06-10 21:18   Status STOPPED
Checkpoint Lag       00:00:00 (updated 3984:54:27 ago)
Log Read Checkpoint  Oracle Redo Logs
                     2014-06-10 21:35:53  Seqno 486, RBA 21800448
                     SCN 2.2362686 (8592297278)
 
REPLICAT   RPEE      Last Started 2014-11-23 22:26   Status STOPPED
Checkpoint Lag       00:00:00 (updated 00:00:42 ago)
Log Read Checkpoint  File ./dirdat/et000000
                     2014-11-23 22:29:24.000220  RBA 486152
 
 
这里抽取的Seqno为68
这里为了让抽取进程的trial文件前滚一个号，停止ext使用etrollover前滚一个
 
 
 
GGSCI (enmotech) 66> alter ext1 etrollover
 
2014-11-23 22:32:42  INFO    OGG-01520  Rollover performed.  For each affected output trail of Version 10 or higher format, after starting the source extract, issue ALTER EXTSEQNO for that trail's reader (either pump EXTRACT or REPLICAT) to move the reader's scan to the new trail file;  it will not happen automatically.
EXTRACT altered.
 
 
GGSCI (enmotech) 68> info ext1 detail
 
EXTRACT    EXT1      Initialized   2014-11-23 21:45   Status STOPPED
Checkpoint Lag       00:00:00 (updated 00:00:26 ago)
Log Read Checkpoint  Oracle Redo Logs
                     2014-11-23 22:32:29  Seqno 744, RBA 18685952
                     SCN 2.4427012 (8594361604)
 
  Target Extract Trails:
 
  Remote Trail Name                                Seqno        RBA     Max MB
 
  ./dirdat/ee                                         69          0        100

看到这里 Seqno 为 69 ，并插入数据让 seqno 69 trail有数据

SQL> begin
  2  for i in 6001..7000 loop
  3  insert into test1 values (i,'a',sysdate);
  4  commit;
  5  end loop;
  6  end;
  7  /
 
 
begin
for i in 7001..8000 loop
insert into test1 values (i,'a',sysdate);
commit;
end loop;
end;
/
PL/SQL procedure successfully completed.
 
SQL> SQL> SQL>   2    3    4    5    6    7
 
PL/SQL procedure successfully completed.

在次让抽取进程的trial文件前滚一个号

 
GGSCI (enmotech) 75> stop ext1
 
Sending STOP request to EXTRACT EXT1 ...
Request processed.
 
 
GGSCI (enmotech) 76> alter ext1 etrollover
 
2014-11-23 23:25:14  INFO    OGG-01520  Rollover performed.  For each affected output trail of Version 10 or higher format, after starting the source extract, issue ALTER EXTSEQNO for that trail's reader (either pump EXTRACT or REPLICAT) to move the reader's scan to the new trail file;  it will not happen automatically.
EXTRACT altered.
 
 
GGSCI (enmotech) 77> start ext1
 
Sending START request to MANAGER ...
EXTRACT EXT1 starting
 
 
GGSCI (enmotech) 78> info all
 
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
 
MANAGER     RUNNING
EXTRACT     STOPPED     DDUMP       00:00:00      00:55:13
EXTRACT     RUNNING     EXT1        00:00:00      00:00:07
EXTRACT     STOPPED     E_SQL       00:00:00      3985:49:24
 
插入数据让 seqno 70 有数
SQL> begin
  2  for i in 8001..9000 loop
  3  insert into test1 values (i,'a',sysdate);
  4  commit;
  5  end loop;
  6  end;
  7  /
 
PL/SQL procedure successfully completed.

以上插入数据就汇总如下

2000-4000 抽取并传输、应用
4000-5000 抽取并传输、未应用
5000-6000 抽取未传输、未应用, trail Seqno : 68
6000-7000 抽取未传输、未应用, trail Seqno : 69
7000-8000 抽取未传输、未应用, trail Seqno : 69
8000-9000 抽取未传输、未应用, trail Seqno : 70

SQL> !ls -l
total 2088
-rw-r----- 1 oracle oinstall   1195 Nov 23 21:45 ee000067
-rw-r----- 1 oracle oinstall 969391 Nov 23 22:30 ee000068
-rw-r----- 1 oracle oinstall 324413 Nov 23 23:24 ee000069
-rw-r----- 1 oracle oinstall 162703 Nov 23 23:25 ee000070
-rw-rw-rw- 1 oracle oinstall   2216 Jun 10 21:20 es000000
-rw-r----- 1 oracle oinstall 647858 Nov 23 22:30 et000000
删除 ee000069 这个文件 
也就是 6001-8000的数据不能传输
SQL> !mv ee000069 ee000069.bak

文件丢失处理

GGSCI (enmotech) 81> info DDUMP detail
 
EXTRACT    DDUMP     Last Started 2014-11-23 23:26   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:04 ago)
Log Read Checkpoint  File ./dirdat/ee000068
                     2014-11-23 22:30:57.000000  RBA 969391
 
  Target Extract Trails:
 
  Remote Trail Name                                Seqno        RBA     Max MB
 
  ./dirdat/et                                          1     162801        100
 
  Extract Source                          Begin             End
 
  ./dirdat/ee000068                       2014-11-23 22:30  2014-11-23 22:30
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:30
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:23
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:23
  ./dirdat/ee000000                       * Initialized *   2014-11-23 22:23
  ./dirdat/ee000000                       * Initialized *   First Record
 
 
Current directory    /u01/ogg1
 
Report file          /u01/ogg1/dirrpt/DDUMP.rpt
Parameter file       /u01/ogg1/dirprm/ddump.prm
Checkpoint file      /u01/ogg1/dirchk/DDUMP.cpe
Process file         /u01/ogg1/dirpcs/DDUMP.pce
Stdout file          /u01/ogg1/dirout/DDUMP.out
Error log            /u01/ogg1/ggserr.log

启动ddump,让5001..6000数据过去

GGSCI (enmotech) 79> start DDUMP
 
Sending START request to MANAGER ...
EXTRACT DDUMP starting
 
 
GGSCI (enmotech) 80> info all
 
Program     Status      Group       Lag at Chkpt  Time Since Chkpt
 
MANAGER     RUNNING
EXTRACT     RUNNING     DDUMP       00:55:27      00:00:07
EXTRACT     RUNNING     EXT1        00:00:00      00:00:02
EXTRACT     STOPPED     E_SQL       00:00:00      3985:49:41
REPLICAT    STOPPED     RPEE        00:00:00      00:55:56
 
 
GGSCI (enmotech) 81> info DDUMP detail
 
EXTRACT    DDUMP     Last Started 2014-11-23 23:26   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:04 ago)
Log Read Checkpoint  File ./dirdat/ee000068
                     2014-11-23 22:30:57.000000  RBA 969391
 
  Target Extract Trails:
 
  Remote Trail Name                                Seqno        RBA     Max MB
 
  ./dirdat/et                                          1     162801        100
 
  Extract Source                          Begin             End
 
  ./dirdat/ee000068                       2014-11-23 22:30  2014-11-23 22:30
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:30
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:23
  ./dirdat/ee000068                       2014-11-23 22:23  2014-11-23 22:23
  ./dirdat/ee000000                       * Initialized *   2014-11-23 22:23
  ./dirdat/ee000000                       * Initialized *   First Record
 
 
Current directory    /u01/ogg1
 
Report file          /u01/ogg1/dirrpt/DDUMP.rpt
Parameter file       /u01/ogg1/dirprm/ddump.prm
Checkpoint file      /u01/ogg1/dirchk/DDUMP.cpe
Process file         /u01/ogg1/dirpcs/DDUMP.pce
Stdout file          /u01/ogg1/dirout/DDUMP.out
Error log            /u01/ogg1/ggserr.log

启动rpee让 4001-6000 的数据应用

GGSCI (enmotech) 82> start rpee
 
Sending START request to MANAGER ...
REPLICAT RPEE starting
 
GGSCI (enmotech) 84> info rpee
 
REPLICAT   RPEE      Last Started 2014-11-23 23:31   Status RUNNING
Checkpoint Lag       00:00:00 (updated 00:00:03 ago)
Log Read Checkpoint  File ./dirdat/et000001
                     2014-11-23 22:30:57.000382  RBA 162801
 
 
 
SQL> select max(id) from ogg2.test1;
 
   MAX(ID)
----------
      6000

这里也只能应用到6000,因为6001-8000数据所在的trial文件丢失。为了让抽取进程重新抽取，查找scn

查找REPLICAT进程的scn

GGSCI &＃40;enmotech&＃41; 86> info rpee showch
 
REPLICAT   RPEE      LAST Started 2014-11-23 23:31   STATUS RUNNING
Checkpoint Lag       00:00:00 &＃40;updated 00:00:01 ago&＃41;
Log READ Checkpoint  File ./dirdat/et000001
                     2014-11-23 22:30:57.000382  RBA 162801
 
 
CURRENT Checkpoint Detail:
 
READ Checkpoint #1
 
  GGS Log Trail
 
  Startup Checkpoint &＃40;starting POSITION IN the DATA SOURCE&＃41;:
    SEQUENCE #: 0
    RBA: 486152
    TIMESTAMP: 2014-11-23 22:29:24.000220
    EXTRACT Trail: ./dirdat/et
 
  CURRENT Checkpoint &＃40;POSITION OF LAST record READ IN the DATA SOURCE&＃41;:
    SEQUENCE #: 1
    RBA: 162801
    TIMESTAMP: 2014-11-23 22:30:57.000382
    EXTRACT Trail: ./dirdat/et
 
Header:
  Version = 2
  Record SOURCE = A
  TYPE = 1
  # INPUT Checkpoints = 1
  # Output Checkpoints = 0
 
File Information:
  Block SIZE = 2048
  MAX Blocks = 100
  Record LENGTH = 2048
  CURRENT Offset = 0
 
Configuration:
  DATA SOURCE = 0
  TRANSACTION Integrity = -1
  Task TYPE = 0
 
DATABASE Checkpoint:
  Checkpoint TABLE = goldengate.CHKtable
  KEY = 462138021 &＃40;0x1b8baaa5&＃41;
  CREATE TIME = 2014-11-23 22:26:48
 
STATUS:
  START TIME = 2014-11-23 23:31:13
  LAST UPDATE TIME = 2014-11-23 23:35:20
  Stop STATUS = A
  LAST RESULT = 400
SQL> SELECT GROUP_NAME,LOG_CSN,LOG_XID,LOG_CMPLT_CSN FROM  goldengate.CHKtable
  2  ;
 
GROUP_NA LOG_CSN               LOG_XID LOG_CMPLT_CSNSN
-------- --------------------- -----   ---------------
RPEE     8594361572                    8594359565

可以看到REPLICAT进程的最后一个scn是8594361572，下面用logdump查看下

logdump查看trail

╭─oracle@enmotech /u01/ogg1
╰─?  ./logdump
 
Oracle GoldenGate Log File Dump Utility for Oracle
Version 11.2.1.0.6_03 16934271 17205864
 
Copyright (C) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
 
 
 
Logdump 13 >open  ./dirdat/et000001
Current LogTrail is /u01/ogg1/dirdat/et000001
Logdump 14 >ghdr on
Logdump 15 >detail data
Logdump 16 >usertoken detail
Logdump 17 >ggstoken detail
Logdump 18 >fileheader detail
Logdump 19 >n
查看文件头的开始scn、停止scn
2014/11/23 23:26:10.718.566 FileHeader           Len  1028 RBA 0
Name: *FileHeader*
 3000 01bf 3000 0008 4747 0d0a 544c 0a0d 3100 0002 | 0...0...GG..TL..1...
 0003 3200 0004 2000 0000 3300 0008 02f2 2ebb c0f2 | ..2... ...3.........
 8f66 3400 001e 001c 7572 693a 656e 6d6f 7465 6368 | .f4.....uri:enmotech
 3a3a 7530 313a 6f67 6731 3a44 4455 4d50 3500 0021 | ::u01:ogg1:DDUMP5..!
 3500 001d 001b 7572 693a 656e 6d6f 7465 6368 3a3a | 5.....uri:enmotech::
 7530 313a 6f67 6731 3a45 5854 3136 0000 1300 112e | u01:ogg1:EXT16......
 2f64 6972 6461 742f 6574 3030 3030 3031 3700 0001 | /dirdat/et0000017...
 
GroupID x30 '0' TrailInfo        Info x00  Length  447
 3000 01bf 3000 0008 4747 0d0a 544c 0a0d 3100 0002 | 0...0...GG..TL..1...
 0003 3200 0004 2000 0000 3300 0008 02f2 2ebb c0f2 | ..2... ...3.........
 8f66 3400 001e 001c 7572 693a 656e 6d6f 7465 6368 | .f4.....uri:enmotech
 3a3a 7530 313a 6f67 6731 3a44 4455 4d50 3500 0021 | ::u01:ogg1:DDUMP5..!
 3500 001d 001b 7572 693a 656e 6d6f 7465 6368 3a3a | 5.....uri:enmotech::
 7530 313a 6f67 6731 3a45 5854 3136 0000 1300 112e | u01:ogg1:EXT16......
 2f64 6972 6461 742f 6574 3030 3030 3031 3700 0001 | /dirdat/et0000017...
 0138 0000 0400 0000 0139 ff00 0800 0000 0000 0000 | .8.......9..........
 003a 0000 810a 3835 3934 3335 3935 3534 0000 0000 | .:....8594359554....
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 3bff 0081 0000 | ..............;.....
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 003c 0000 0802 f22e bafa 999b 893d | .......<...........=
 ff00 0800 0000 00                                 | .......
TokenID x30 '0' Signature        Info x00  Length    8
 4747 0d0a 544c 0a0d                               | GG..TL..
TokenID x31 '1' Compatibility    Info x00  Length    2
 0003                                              | ..
TokenID x32 '2' Charset          Info x00  Length    4
 2000 0000                                         |  ...
TokenID x33 '3' CreationTime     Info x00  Length    8
 02f2 2ebb c0f2 8f66                               | .......f
TokenID x34 '4' URI              Info x00  Length   30
 001c 7572 693a 656e 6d6f 7465 6368 3a3a 7530 313a | ..uri:enmotech::u01:
 6f67 6731 3a44 4455 4d50                          | ogg1:DDUMP
TokenID x35 '5' URIHistory       Info x00  Length   33
 3500 001d 001b 7572 693a 656e 6d6f 7465 6368 3a3a | 5.....uri:enmotech::
 7530 313a 6f67 6731 3a45 5854 31                  | u01:ogg1:EXT1
TokenID x36 '6' Filename         Info x00  Length   19
 0011 2e2f 6469 7264 6174 2f65 7430 3030 3030 31   | .../dirdat/et000001
TokenID x37 '7' MultiPart        Info x00  Length    1
 01                                                | .
TokenID x38 '8' Seqno            Info x00  Length    4
 0000 0001                                         | ....
TokenID x39 '9' FileSize         Info xff  Length    8
 0000 0000 0000 0000                               | ........
TokenID x3a ':' FirstCSN         Info x00  Length  129
 0a38 3539 3433 3539 3535 3400 0000 0000 0000 0000 | .8594359554.........  --开始scn
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 00                            | .........
TokenID x3b ';' LastCSN          Info xff  Length  129
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | .................... --结束没有 说明没写完
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 | ....................
 0000 0000 0000 0000 00                            | .........
TokenID x3c '<' FirstIOTime      Info x00  Length    8
 02f2 2eba fa99 9b89                               | ........
TokenID x3d '=' LastIOTime       Info xff  Length    8
 0000 0000 0000 0000                               | ........
 
GroupID x31 '1' MachineInfo      Info x00  Length  107
 3100 006b 3000 0007 0005 4c69 6e75 7831 0000 0a00 | 1..k0.....Linux1....
 0865 6e6d 6f74 6563 6832 0000 1a00 1832 2e36 2e33 | .enmotech2.....2.6.3
 392d 3430 302e 3231 352e 3130 2e65 6c35 7565 6b33 | 9-400.215.10.el5uek3
 0000 2400 2223 3120 534d 5020 5475 6520 5365 7020 | ..$."#1 SMP Tue Sep
 3920 3232 3a35 313a 3436 2050 4454 2032 3031 3434 | 9 22:51:46 PDT 20144
 0000 0800 0678 38                                 | .....x8
TokenID x30 '0' Sysname          Info x00  Length    7
 0005 4c69 6e75 78                                 | ..Linux
TokenID x31 '1' Nodename         Info x00  Length   10
 0008 656e 6d6f 7465 6368                          | ..enmotech
TokenID x32 '2' Release          Info x00  Length   26
 0018 322e 362e 3339 2d34 3030 2e32 3135 2e31 302e | ..2.6.39-400.215.10.
 656c 3575 656b                                    | el5uek
TokenID x33 '3' Version          Info x00  Length   36
 0022 2331 2053 4d50 2054 7565 2053 6570 2039 2032 | ."#1 SMP Tue Sep 9 2
 323a 3531 3a34 3620 5044 5420 3230 3134           | 2:51:46 PDT 2014
TokenID x34 '4' Hardware         Info x00  Length    8
 0006 7838 365f 3634                               | ..x86_64
 
GroupID x32 '2' DatabaseInfo     Info x00  Length  351
 3200 015f 3000 0002 0007 3100 0006 0004 4f52 434c | 2.._0.....1.....ORCL
 3200 0006 0004 6f72 636c 3300 0004 0000 1389 3400 | 2.....orcl3.......4.
 0002 000b 3500 0002 0002 3600 00e7 00e5 4f72 6163 | ....5.....6.....Orac
 6c65 2044 6174 6162 6173 6520 3131 6720 456e 7465 | le Database 11g Ente
 7270 7269 7365 2045 6469 7469 6f6e 2052 656c 6561 | rprise Edition Relea
 7365 2031 312e 322e 302e 332e 3020 2d20 3634 6269 | se 11.2.0.3.0 - 64bi
 7420 5072 6f64 7563 7469 6f6e 0a50 4c2f 5351 4c20 | t Production.PL/SQL
 5265 6c65 6173 6520 3131 2e32 2e30 2e33 2e30 202d | Release 11.2.0.3.0 -
 2050 726f 6475 6374 696f 6e0a 434f 5245 0931 312e |  Production.CORE.11.
 322e 302e 332e 3009 5072 6f64 7563 7469 6f6e 0a54 | 2.0.3.0.Production.T
 4e53 2066 6f72 204c 696e 7578 3a20 5665 7273 696f | NS for Linux: Versio
 6e20 3131 2e32 2e30 2e33 2e30 202d 2050 726f 6475 | n 11.2.0.3.0 - Produ
 6374 696f 6e0a 4e4c 5352 544c 2056 6572 7369 6f6e | ction.NLSRTL Version
 2031 312e 322e 302e 332e 3020 2d20 5072 6f64 7563 |  11.2.0.3.0 - Produc
 7469 6f6e 0a37 0000 0440 0000 0038 0000 0c00 0a31 | tion.7...@...8.....1
 312e 322e 302e 332e 3039 0000 0400 0000 013a 0000 | 1.2.0.3.09.......:..
 0200 003b 0000 0400 0000 013c 0000 1400 0000 1014 | ...;.......<........
 1414 1414 1414 1414 1414 14                       | ...........
TokenID x30 '0' Vendor           Info x00  Length    2
 0007                                              | ..
TokenID x31 '1' Name             Info x00  Length    6
 0004 4f52 434c                                    | ..ORCL
TokenID x32 '2' Instance         Info x00  Length    6
 0004 6f72 636c                                    | ..orcl
TokenID x33 '3' Charset          Info x00  Length    4
 0000 1389                                         | ....
TokenID x34 '4' MajorVersion     Info x00  Length    2
 000b                                              | ..
TokenID x35 '5' MinorVersion     Info x00  Length    2
 0002                                              | ..
TokenID x36 '6' VerString        Info x00  Length  231
 00e5 4f72 6163 6c65 2044 6174 6162 6173 6520 3131 | ..Oracle Database 11
 6720 456e 7465 7270 7269 7365 2045 6469 7469 6f6e | g Enterprise Edition
 2052 656c 6561 7365 2031 312e 322e 302e 332e 3020 |  Release 11.2.0.3.0
 2d20 3634 6269 7420 5072 6f64 7563 7469 6f6e 0a50 | - 64bit Production.P
 4c2f 5351 4c20 5265 6c65 6173 6520 3131 2e32 2e30 | L/SQL Release 11.2.0
 2e33 2e30 202d 2050 726f 6475 6374 696f 6e0a 434f | .3.0 - Production.CO
 5245 0931 312e 322e 302e 332e 3009 5072 6f64 7563 | RE.11.2.0.3.0.Produc
 7469 6f6e 0a54 4e53 2066 6f72 204c 696e 7578 3a20 | tion.TNS for Linux:
 5665 7273 696f 6e20 3131 2e32 2e30 2e33 2e30 202d | Version 11.2.0.3.0 -
 2050 726f 6475 6374 696f 6e0a 4e4c 5352 544c 2056 |  Production.NLSRTL V
 6572 7369 6f6e 2031 312e 322e 302e 332e 3020 2d20 | ersion 11.2.0.3.0 -
 5072 6f64 7563 7469 6f6e 0a                       | Production.
TokenID x37 '7' ClientCharset    Info x00  Length    4
 4000 0000                                         | @...
TokenID x38 '8' ClientVerString  Info x00  Length   12
 000a 3131 2e32 2e30 2e33 2e30                     | ..11.2.0.3.0
TokenID x39 '9' ClientNCharset   Info x00  Length    4
 0000 0001                                         | ....
TokenID x3a ':' DbLocale         Info x00  Length    2
 0000                                              | ..
TokenID x3b ';' DbNCharset       Info x00  Length    4
 0000 0001                                         | ....
TokenID x3c '<' DbObjNameMetadata Info x00  Length   20
 0000 0010 1414 1414 1414 1414 1414 1414 1114 1414 | ....................
 
GroupID x33 '3' ProducerInfo     Info x00  Length   95
 3300 005f 3000 0006 0004 4558 5431 3100 0002 0003 | 3.._0.....EXT11.....
 3200 0002 000b 3300 0002 0002 3400 0002 0001 3500 | 2.....3.....4.....5.
 0002 0000 3600 0002 0006 3700 002d 002b 5665 7273 | ....6.....7..-.+Vers
 696f 6e20 3131 2e32 2e31 2e30 2e36 5f30 3320 3136 | ion 11.2.1.0.6_03 16
 3933 3432 3731 2031 3732 3035 3836 34             | 934271 17205864
TokenID x30 '0' Name             Info x00  Length    6
 0004 4558 5431                                    | ..EXT1
TokenID x31 '1' DataSource       Info x00  Length    2
 0003                                              | ..
TokenID x32 '2' MajorVersion     Info x00  Length    2
 000b                                              | ..
TokenID x33 '3' MinorVersion     Info x00  Length    2
 0002                                              | ..
TokenID x34 '4' MaintLevel       Info x00  Length    2
 0001                                              | ..
TokenID x35 '5' BugFixLevel      Info x00  Length    2
 0000                                              | ..
TokenID x36 '6' BuildNumber      Info x00  Length    2
 0006                                              | ..
TokenID x37 '7' VerString        Info x00  Length   45
 002b 5665 7273 696f 6e20 3131 2e32 2e31 2e30 2e36 | .+Version 11.2.1.0.6
 5f30 3320 3136 3933 3432 3731 2031 3732 3035 3836 | _03 16934271 1720586
 345f 4642 4f                                      | 4_FBO
 
GroupID x34 '4' ContinunityInfo  Info x00  Length    8
 3400 0008 3000 0004                               | 4...0...
TokenID x30 '0' RecoveryMode     Info x00  Length    4
 0000 0001                                         | ....
Logdump 20 >
 
 
Logdump 39 >count --统计下记录数,以便跳到最好一条记录
LogTrail /u01/ogg1/dirdat/et000001 has 1002 records
Total Data Bytes             47028
  Avg Bytes/Record              46
Insert                        1000
RestartOK                        1
Others                           1
After Images                  1001
 
Average of 1002 Transactions
    Bytes/Trans .....         94
    Records/Trans ...          1
    Files/Trans .....          1
 
 
                                                   Partition 0
RestartOK                        1
After Images                     1
 
*FileHeader*                                       Partition 0
Total Data Bytes              1028
  Avg Bytes/Record            1028
Others                           1
 
OGG1.TEST1                                         Partition 4
Total Data Bytes             46000
  Avg Bytes/Record              46
Insert                        1000
After Images                  1000
Logdump 40 >
 
 
Logdump 41 >n
___________________________________________________________________
Hdr-Ind    :     E  (x45)     Partition  :     .  (x04)
UndoFlag   :     .  (x00)     BeforeAfter:     A  (x41)
RecLength  :    46  (x002e)   IO Time    : 2014/11/23 22:30:57.000.382
IOType     :     5  (x05)     OrigNode   :   255  (xff)
TransInd   :     .  (x03)     FormatType :     R  (x52)
SyskeyLen  :     0  (x00)     Incomplete :     .  (x00)
AuditRBA   :        744       AuditPos   : 18681552
Continued  :     N  (x00)     RecCount   :     1  (x01)
 
2014/11/23 22:30:57.000.382 Insert               Len    46 RBA 162639
Name: OGG1.TEST1
After  Image:                                             Partition 4   G  s
 0000 0008 0000 0004 3630 3030 0001 0005 0000 0001 | ........6000........
 6100 0200 1500 0032 3031 342d 3131 2d32 333a 3232 | a......2014-11-23:22
 3a33 303a 3537                                    | :30:57
Column     0 (x0000), Len     8 (x0008)
 0000 0004 3630 3030                               | ....6000
Column     1 (x0001), Len     5 (x0005)
 0000 0001 61                                      | ....a
Column     2 (x0002), Len    21 (x0015)
 0000 3230 3134 2d31 312d 3233 3a32 323a 3330 3a35 | ..2014-11-23:22:30:5
 37                                                | 7
 
GGS tokens:
TokenID x52 'R' ORAROWID         Info x00  Length   20
 4141 4145 536b 4141 4a41 4141 626a 6c41 454d 0001 | AAAESkAAJAAAbjlAEM..
TokenID x4c 'L' LOGCSN           Info x00  Length   10
 3835 3934 3336 3135 3732                          | 8594361572    --最后一个事物的scn好
TokenID x36 '6' TRANID           Info x00  Length    9
 3332 2e32 342e 3234 38                            | 32.24.248
 
rpee的检查点信息
 
Log Read Checkpoint  File ./dirdat/et000001
                     2014-11-23 22:30:57.000382  RBA 162801
AuditRBA   :        744       AuditPos   : 18681552
TokenID x4c 'L' LOGCSN           Info x00  Length   10
 3835 3934 3336 3135 3732                          | 8594361572

这里找到scn号为8594361572

调整进程

GGSCI (enmotech) 2> stop ddump

Sending STOP request to EXTRACT DDUMP ...
Request processed.

GGSCI (enmotech) 3> stop ext1

Sending STOP request to EXTRACT EXT1 ...
Request processed.

GGSCI (enmotech) 6> info ext1 detail

EXTRACT EXT1 Initialized 2014-11-23 23:25 Status STOPPED
Checkpoint Lag 00:00:00 (updated 00:00:15 ago)
Log Read Checkpoint Oracle Redo Logs
2014-11-23 23:46:48 Seqno 744, RBA 24420864
SCN 2.4435992 (8594370584)

Target Extract Trails:

Remote Trail Name Seqno RBA Max MB

./dirdat/ee 71 0 100

GGSCI (enmotech) 4> alter ext1 etrollover --进程新开始trail文件号

2014-11-23 23:47:12 INFO OGG-01520 Rollover performed. For each affected output trail of Version 10 or higher format, after starting the source extract, issue ALTER EXTSEQNO for that trail's reader (either pump EXTRACT or REPLICAT) to move the reader's scan to the new trail file; it will not happen automatically.
EXTRACT altered.

GGSCI (enmotech) 8> ALTER EXTRACT ext1 ,SCN 8594361572 --更改进程抽取scn号
EXTRACT altered.

GGSCI (enmotech) 9> info ext1

EXTRACT EXT1 Initialized 2014-11-23 23:48 Status STOPPED
Checkpoint Lag 00:00:00 (updated 00:00:04 ago)
Log Read Checkpoint Oracle Redo Logs
First Record Seqno 0, RBA 0
SCN 2.4426980 (8594361572)

GGSCI (enmotech) 10> start ext1

Sending START request to MANAGER ...
EXTRACT EXT1 starting

2014-11-23 23:49:00 INFO OGG-01052 Oracle GoldenGate Capture for Oracle, ext1.prm: No recovery is required for target file ./dirdat/ee000071, at RBA 0 (file not opened).
2014-11-23 23:49:00 INFO OGG-01478 Oracle GoldenGate Capture for Oracle, ext1.prm: Output file ./dirdat/ee is using format RELEASE 11.2.
2014-11-23 23:49:00 INFO OGG-01517 Oracle GoldenGate Capture for Oracle, ext1.prm: Position of first record processed Sequence 744, RBA 18680848, SCN 2.4426977, Nov 23, 2014 10:30:57 PM.
2014-11-23 23:49:00 WARNING OGG-00869 Oracle GoldenGate Capture for Oracle, ext1.prm: No unique key is defined for table 'TEST1'. All viable columns will be used to represent the key, but may not guarantee uniqueness. KEYCOLS may be used to define the key.

GGSCI (enmotech) 12> alter ddump etrollover --让trail seq 前滚

2014-11-23 23:50:33 INFO OGG-01520 Rollover performed. For each affected output trail of Version 10 or higher format, after starting the source extract, issue ALTER EXTSEQNO for that trail's reader (either pump EXTRACT or REPLICAT) to move the reader's scan to the new trail file; it will not happen automatically.
EXTRACT altered.

GGSCI (enmotech) 14> alter ddump ,EXTSEQNO 71,EXTRBA 0 更改抽取的位置
EXTRACT altered.

GGSCI (enmotech) 15> info ddump

EXTRACT DDUMP Initialized 2014-11-23 23:51 Status STOPPED
Checkpoint Lag 00:00:00 (updated 00:00:06 ago)
Log Read Checkpoint File ./dirdat/ee000071
First Record RBA 0

GGSCI (enmotech) 17> info ddump

EXTRACT DDUMP Last Started 2014-11-23 23:52 Status RUNNING
Checkpoint Lag 00:00:00 (updated 00:00:03 ago)
Log Read Checkpoint File ./dirdat/ee000071
2014-11-23 23:25:32.000000 RBA 486118

GGSCI (enmotech) 16>

2014-11-23 23:52:16 INFO OGG-01052 Oracle GoldenGate Capture for Oracle, ddump.prm: No recovery is required for target file ./dirdat/et000002, at RBA 0 (file not opened).
2014-11-23 23:52:16 INFO OGG-01478 Oracle GoldenGate Capture for Oracle, ddump.prm: Output file ./dirdat/et is using format RELEASE 11.2.
2014-11-23 23:52:16 INFO OGG-01669 Oracle GoldenGate Collector for Oracle: Opening ./dirdat/et000002 (byte -1, current EOF 0).

GGSCI (enmotech) 25> alter rpee , EXTSEQNO 2 ,EXTRBA 0 --更改抽取的位置
REPLICAT altered.

GGSCI (enmotech) 26> start rpee,aftercsn 8594361572 --指定scn开始

Sending START request to MANAGER ...
REPLICAT RPEE starting

2014-11-23 23:55:21 INFO OGG-00996 Oracle GoldenGate Delivery for Oracle, rpee.prm: REPLICAT RPEE started.
2014-11-23 23:55:21 INFO OGG-01373 Oracle GoldenGate Delivery for Oracle, rpee.prm: User requested start after CSN 8594361572.
2014-11-23 23:55:21 INFO OGG-01374 Oracle GoldenGate Delivery for Oracle, rpee.prm: Transaction delivery commencing at position Seqno 2, RBA 1036, Transaction ID 31.32.234, CSN 8594364094, 0 transaction(s) skipped.
2014-11-23 23:55:21 WARNING OGG-00869 Oracle GoldenGate Delivery for Oracle, rpee.prm: No unique key is defined for table 'TEST1'. All viable columns will be used to represent the key, but may not guarantee uniqueness. KEYCOLS may be used to define the key.

验证

SQL> SELECT COUNT&＃40;*&＃41; FROM ogg2.test1 WHERE id>6000;
 
  COUNT&＃40;*&＃41;
----------
      3000
 
SQL> SELECT COUNT&＃40;*&＃41; FROM ogg1.test1 WHERE id>6000;
 
  COUNT&＃40;*&＃41;
----------
      3000
 
SQL>  SELECT COUNT&＃40;*&＃41; FROM ogg1.test1 WHERE id>1000;
 
  COUNT&＃40;*&＃41;
----------
      8000
 
SQL> SELECT COUNT&＃40;*&＃41; FROM ogg2.test1 WHERE id>1000;
 
  COUNT&＃40;*&＃41;
----------
      8000

原文地址：goldegate_source_trail_missing, 感谢原作者分享。