合 【DG】DBMS_LOGSTDBY包的应用--逻辑DG跳过某些操作
Tags： OracleDBMS_LOGSTDBY
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | ------------------------------------- 逻辑备库 ALTER DATABASE STOP LOGICAL STANDBY APPLY; ---停止应用，等待事务完成 ALTER DATABASE ABORT LOGICAL STANDBY APPLY;--不等待事务完成就停止 ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE; ---实时 ALTER DATABASE START LOGICAL STANDBY APPLY; --非实时 ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE SKIP FAILED TRANSACTION; ---是否启用实时应用 ps -ef|grep -i ora_lsp 11g：select RECOVERY_MODE from v$archive_dest_status; ---通用： col REALTIME_APPLY format a15 col STATE format a20 select * from v$Logstdby_state; ------------日志应用情况 set line 9999 pagesize 9999 col FILE_NAME format a120 select sequence#, file_name, applied, TIMESTAMP from dba_logstdby_log d order by d.sequence#; SET LINE 9999 PAGESIZE 9999 COL FILE_NAME FORMAT A120 SELECT SEQUENCE#, FILE_NAME, APPLIED, TIMESTAMP FROM DBA_LOGSTDBY_LOG D WHERE D.SEQUENCE# >=(SELECT MAX(SEQUENCE#)-3 FROM DBA_LOGSTDBY_LOG NB WHERE NB.APPLIED='YES' ) ORDER BY D.SEQUENCE#; --查看备库是否有任何DDL/DML语句未成功应用 COL EVENT_TIMESTAMP FORMAT A30 COL EVENT FORMAT A40 COL EVENT_STATUS FORMAT A80 SELECT A.EVENT_TIME, A.CURRENT_SCN, A.COMMIT_SCN, XIDUSN, XIDSLT, XIDSQN, TO_CHAR(EVENT) EVENT, A.STATUS_CODE, STATUS EVENT_STATUS FROM DBA_LOGSTDBY_EVENTS A WHERE A.EVENT_TIME >= SYSDATE - 10 / 1660 ORDER BY A.EVENT_TIME ; EXECUTE DBMS_LOGSTDBY.SKIP(STMT => 'VIEW'); EXECUTE DBMS_LOGSTDBY.SKIP(STMT => 'PROFILE'); EXECUTE DBMS_LOGSTDBY.SKIP(STMT => 'DATABASE LINK'); EXECUTE DBMS_LOGSTDBY.SKIP(STMT => 'CREATE VIEW'); EXECUTE DBMS_LOGSTDBY.SKIP(STMT => 'DROP VIEW'); EXECUTE DBMS_LOGSTDBY.SKIP(STMT=>'SCHEMA_DDL', SCHEMA_NAME=>'%', OBJECT_NAME=>'%', PROC_NAME=>NULL); EXECUTE DBMS_LOGSTDBY.SKIP(STMT=>'SCHEMA_DDL', SCHEMA_NAME=>'LHR', OBJECT_NAME=>'%', PROC_NAME=>NULL); EXECUTE DBMS_LOGSTDBY.SKIP(STMT=>'SCHEMA_DDL', SCHEMA_NAME=>'MDSYS', OBJECT_NAME=>'%', PROC_NAME=>NULL); EXEC DBMS_LOGSTDBY.SKIP_TRANSACTION (3, 3, 827); --(XIDUSN = 3, XIDSLT = 3, XIDSQN = 827) SELECT EVENT, STATUS,'EXEC DBMS_LOGSTDBY.SKIP_TRANSACTION ('||XIDUSN||', '||XIDSLT||', '||XIDSQN||');' FROM DBA_LOGSTDBY_EVENTS A WHERE XIDUSN IS NOT NULL AND A.EVENT_TIME >= SYSDATE - 60 / 1660; SELECT 'EXEC DBMS_LOGSTDBY.SKIP_TRANSACTION ('||XIDUSN||', '||XIDSLT||', '||XIDSQN||');' FROM DBA_LOGSTDBY_EVENTS A WHERE XIDUSN IS NOT NULL AND A.EVENT_TIME >= SYSDATE - 10 / 1660; SELECT * FROM DBA_LOGSTDBY_SKIP; SELECT * FROM DBA_LOGSTDBY_SKIP_TRANSACTION; |
模拟同步失败
备库创建唯一性索引
SQL> create unique index idx_scott_t_1 on scott.t(user_id);
Index created.
主库插入重复数据
SQL> insert into scott.t select * from scott.t;
36 rows created.
SQL> commit;
Commit complete.
备库自动停止同步
Mon Sep 29 17:22:32 2014
LOGSTDBY: SQL Apply about to stop with ORA-1
LOGSTDBY: SQL Apply finished logging error information
LOGSTDBY Apply process AS02 server id=2 pid=41 OS id=2535 stopped
Errors in file /u01/app/oracle/diag/rdbms/orcl2/orcl/trace/orcl_as02_2535.trc:
ORA-00001: unique constraint (SYS.IDX_SCOTT_T_1) violated
Mon Sep 29 17:22:36 2014
Errors in file /u01/app/oracle/diag/rdbms/orcl2/orcl/trace/orcl_lsp0_2507.trc:
ORA-26808: Apply process AS02 died unexpectedly.
ORA-00001: unique constraint (SYS.IDX_SCOTT_T_1) violated
Mon Sep 29 17:22:36 2014
LOGSTDBY Analyzer process AS00 server id=0 pid=39 OS id=2531 stopped
Mon Sep 29 17:22:36 2014
LOGSTDBY Apply process AS01 server id=1 pid=40 OS id=2533 stopped
Mon Sep 29 17:22:36 2014
LOGSTDBY Apply process AS03 server id=3 pid=42 OS id=2537 stopped
Mon Sep 29 17:22:36 2014
LOGSTDBY Apply process AS04 server id=4 pid=43 OS id=2539 stopped
Mon Sep 29 17:22:36 2014
LOGSTDBY Apply process AS05 server id=5 pid=44 OS id=2541 stopped
Mon Sep 29 17:22:40 2014
LOGMINER: session#=1 (Logical_Standby$), preparer MS02 pid=36 OS id=2518 sid=46 stopped
Mon Sep 29 17:22:40 2014
LOGMINER: session#=1 (Logical_Standby$), reader MS00 pid=34 OS id=2514 sid=44 stopped
Mon Sep 29 17:22:40 2014
LOGMINER: session#=1 (Logical_Standby$), builder MS01 pid=35 OS id=2516 sid=34 stopped
LOGSTDBY status: ORA-16222: automatic Logical Standby retry of last action
LOGMINER: Parameters summary for session# = 1
LOGMINER: Number of processes = 3, Transaction Chunk Size = 201
LOGMINER: Memory Size = 30M, Checkpoint interval = 150M
LOGMINER: SpillScn 1114702, ResetLogScn 995548
LOGMINER: summary for session# = 1
LOGMINER: StartScn: 0 (0x0000.00000000)
LOGMINER: EndScn: 0 (0x0000.00000000)
LOGMINER: HighConsumedScn: 1114646 (0x0000.00110216)
LOGMINER: session_flag: 0x1
LOGMINER: Read buffers: 16
Mon Sep 29 17:22:43 2014
LOGMINER: session#=1 (Logical_Standby$), reader MS00 pid=34 OS id=2554 sid=34 started
Mon Sep 29 17:22:43 2014
LOGMINER: session#=1 (Logical_Standby$), builder MS01 pid=35 OS id=2556 sid=44 started
Mon Sep 29 17:22:43 2014
LOGMINER: session#=1 (Logical_Standby$), preparer MS02 pid=36 OS id=2558 sid=45 started
LOGMINER: Turning ON Log Auto Delete
Mon Sep 29 17:22:45 2014
LOGSTDBY Analyzer process AS00 started with server id=0 pid=40 OS id=2560
Mon Sep 29 17:22:45 2014
LOGSTDBY Apply process AS01 started with server id=1 pid=41 OS id=2562
Mon Sep 29 17:22:45 2014
LOGSTDBY Apply process AS04 started with server id=4 pid=44 OS id=2568
Mon Sep 29 17:22:45 2014
Mon Sep 29 17:22:45 2014
LOGSTDBY Apply process AS05 started with server id=5 pid=45 OS id=2570
Mon Sep 29 17:22:45 2014
LOGSTDBY Apply process AS03 started with server id=3 pid=43 OS id=2566
LOGSTDBY Apply process AS02 started with server id=2 pid=42 OS id=2564
LOGMINER: Begin mining logfile for session 1 thread 1 sequence 42, /u01/app/oracle/fast_recovery_area/ORCL2/onlinelog/o1_mf_4b2l8vov0.log
LOGSTDBY: SQL Apply about to stop with ORA-1
LOGSTDBY: SQL Apply finished logging error information
LOGSTDBY Apply process AS01 server id=1 pid=41 OS id=2562 stopped
Errors in file /u01/app/oracle/diag/rdbms/orcl2/orcl/trace/orcl_lsp0_2507.trc:
ORA-26808: Apply process AS01 died unexpectedly.
ORA-00001: unique constraint (SYS.IDX_SCOTT_T_1) violated
LOGSTDBY Analyzer process AS00 server id=0 pid=40 OS id=2560 stopped
LOGSTDBY Apply process AS02 server id=2 pid=42 OS id=2564 stopped
LOGSTDBY Apply process AS03 server id=3 pid=43 OS id=2566 stopped
LOGSTDBY Apply process AS04 server id=4 pid=44 OS id=2568 stopped
LOGSTDBY Apply process AS05 server id=5 pid=45 OS id=2570 stopped
Errors in file /u01/app/oracle/diag/rdbms/orcl2/orcl/trace/orcl_as01_2562.trc:
ORA-00001: unique constraint (SYS.IDX_SCOTT_T_1) violated
LOGMINER: session#=1 (Logical_Standby$), reader MS00 pid=34 OS id=2554 sid=34 stopped
LOGMINER: session#=1 (Logical_Standby$), preparer MS02 pid=36 OS id=2558 sid=45 stopped
LOGMINER: session#=1 (Logical_Standby$), builder MS01 pid=35 OS id=2556 sid=44 stopped
trace文件/u01/app/oracle/diag/rdbms/orcl2/orcl/trace/orcl_as02_2535.trc里有这个事务相关信息
ERROR INFORMATION:
PRIMARY TXN xid: 0x0003.003.0000033b (XIDUSN = 3, XIDSLT = 3, XIDSQN = 827)
start scn: 0x0000.0011024e (1114702) commit scn: 0x0000.00110250 (1114704)
视图里有可读性强的错误信息
SQL> select event, status from DBA_LOGSTDBY_EVENTS;
EVENT STATUS
insert into "SCOTT"."T" ORA-00001: unique constraint (SYS.IDX_SCOTT_T_1) violated
values
"USERNAME" = 'SYS',
"USER_ID" = 0,
"CREATED" = '17-SEP-11'
。。。。。。。。。。。
根据上面的xidusn，xidslt，xidsqn跳过事务
