OGG-主备切换

ogg  切换：
1， 主端，目标端  添加对应的 参数（extract,replicat,pump,主备互换） 注意dirdat 目录下文件不要冲突。


目标端：
2， 原目标端 开启forcelogging ,supplemanagelog 
SQL > ARCHIVE LOG LIST;
SQL > ALTER DATABASE FORCELOGGING ;
SQL > ALTER DATABASE ADD supplemental log data ;
GGSCI> EDIT PARAMS ./GLOBALS
       CHECKPOINTTABLE  OGG.CHECKPOINT
这里为测试,参数如下：
切换前： source 端  10.118.242.214
         target 端  10.118.242.216


2.1 切换前 - 参数  
--MGR (source,target 两端相同)--  
GGSCI (sfpay-asmtest) 64> view params mgr


port 7809
dynamicportlist 7810-7900
userid ogg@ogg,password ogg
autorestart extract *,waitminutes 2,retries 7
lagreporthours 1
laginfominutes 30
lagcriticalminutes 45
purgeoldextracts ./dirdat/*,usecheckpoints,minkeepdays 5
purgeddlhistory minkeepdays 3,maxkeepdays 5,frequencyminutes 20
PURGEMARKERHISTORY MINKEEPDAYS 3, MAXKEEPDAYS 5, FREQUENCYMINUTES 20


--EXTRACT(捕获进程-source 端)--
extract exct01
setenv (ORACLE_HOME="/u01/app/oracle/product/11.2.0.4/dbhome_1")
setenv (NLS_LANG="AMERICAN_AMERICA.AL32UTF8")
dynamicresolution
gettruncates
numfiles 5000
userid ogg@ogg,password ogg
tranlogoptions convertucs2clobs
TRANLOGOPTIONS LOGRETENTION  DISABLED
TRANLOGOPTIONS DBLOGREADER
tranlogoptions altarchivelogdest primary instance SFPAY1 +dg_arch/sfpay1/archivelog
--TRANLOGOPTIONS ASMUSER sys@ASM,ASMPASSWORD oracle123
--THREADOPTIONS MAXCOMMITPROPAGATIONDELAY 20000
reportcount every 2 minutes,rate                 
discardfile ./dirrpt/exct01.dsc,append,megabytes 1000
warnlongtrans 2h,checkinterval 3m
exttrail  ./dirdat/su
ddl include all                              
ddloptions addtrandata,report    
--add test
TABLE DM_ACT.*;
TABLE DM_MEB.*;


--EXTRACT(PUMP进程-source 端)--
GGSCI (sfpay-asmtest) 68> view params EXPMP01
extract expmp01
passthru
report at 02:00
reportrollover at 02:10
rmthost 10.118.242.216,mgrport 7809
rmttrail /home/gg/gg11.2/dirdat/ta
dynamicresolution
numfiles 2000
--add tables
TABLE DM_ACT.*;
TABLE DM_MEB.*;


--REPLICAT(抽取进程-target 端)--
GGSCI (sfpay.datatest.mysql01) 68> view params REPP01
REPLICAT repp01
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
USERID ogg@ogg, PASSWORD ogg
DISCARDFILE ./dirrpt/repp01.dsc, PURGE, MAXBYTES 104857600
sqlexec "Alter session set constraints=deferred"
REPORT AT 01:59
reportrollover at 02:00
--handlecollisions
reperror default,abend
REPORTCOUNT EVERY 30 MINUTES, RATE
DDL INCLUDE MAPPED, EXCLUDE INSTR 'SHRINK SPACE'
ddloptions report
assumetargetdefs
checksequencevalue
allownoopupdates
dynamicresolution
numfiles 2000
--ERROR IGNORE
DDLERROR 10636 IGNORE
--20151028  add
MAP DM_ACT.*, TARGET DM_ACT.*;
MAP DM_MEB.*,TARGET DM_MEB.*;




 
--切换操作：


3，GGSCI (sfpay-asmtest) 12> lag extract EXCT01
Sending GETLAG request to EXTRACT EXCT01 ...
Last record lag: 0 seconds.
At EOF, no more records to process.


GGSCI > STOP  EXCT01




4, GGSCI (sfpay-asmtest) 13> lag extract expmp01


Sending GETLAG request to EXTRACT EXPMP01 ...
Last record lag: 4 seconds.
At EOF, no more records to process.


GGSCI > STOP EXPMP01


--目标端
5,GGSCI (sfpay.datatest.mysql01) 18> lag replicat repp01


Sending GETLAG request to REPLICAT REPP01 ...
Last record lag: 4 seconds.
At EOF, no more records to process.


GGSCI > STOP REPP01


-----切换后操作----
切换后： source 端  10.118.242.216
         target 端  10.118.242.214
参数：


--source端(extract)--
GGSCI (sfpay.datatest.mysql01) 70> view params EXCT02
extract exct02
setenv (ORACLE_HOME="/u01/app/oracle/product/11.2.0.4/dbhome_1")
setenv (NLS_LANG="AMERICAN_AMERICA.AL32UTF8")
dynamicresolution
gettruncates
numfiles 5000
userid ogg@ogg,password ogg
tranlogoptions convertucs2clobs
TRANLOGOPTIONS LOGRETENTION  DISABLED
TRANLOGOPTIONS DBLOGREADER
--tranlogoptions altarchivelogdest primary instance sfpay2 +dg_arch/sfpay1/archivelog
--TRANLOGOPTIONS ASMUSER sys@ASM,ASMPASSWORD oracle123
--THREADOPTIONS MAXCOMMITPROPAGATIONDELAY 20000
reportcount every 2 minutes,rate                 
discardfile ./dirrpt/exct02.dsc,append,megabytes 1000
warnlongtrans 2h,checkinterval 3m
exttrail  ./dirdat/bb
ddl include all                              
ddloptions addtrandata,report    
--add test
TABLE DM_ACT.*;
TABLE DM_MEB.*;


--source端(pump)--
extract expmp02
passthru
report at 02:00
reportrollover at 02:10
rmthost 10.118.242.214,mgrport 7809
rmttrail /home/gg11.2/dirdat/bb
dynamicresolution
numfiles 2000
--add tables
TABLE DM_ACT.*;
TABLE DM_MEB.*;


--target端(replicat)--  
GGSCI (sfpay-asmtest) 69> view params repp02
REPLICAT repp02
SETENV (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)
USERID ogg@ogg, PASSWORD ogg
DISCARDFILE ./dirrpt/repp02.dsc, PURGE, MAXBYTES 104857600
sqlexec "Alter session set constraints=deferred"
REPORT AT 01:59
reportrollover at 02:00
--handlecollisions
reperror default,abend
REPORTCOUNT EVERY 30 MINUTES, RATE
DDL INCLUDE MAPPED, EXCLUDE INSTR 'SHRINK SPACE'
ddloptions report
assumetargetdefs
checksequencevalue
allownoopupdates
dynamicresolution
numfiles 2000
--ERROR IGNORE
DDLERROR 10636 IGNORE
--20151028  add
MAP DM_ACT.*, TARGET DM_ACT.*;
MAP DM_MEB.*,TARGET DM_MEB.*;


--这里, 可以拷贝原source端的参数，注意各参数变更，dirdat/xx  最好使用新定义的文件名。
--切换：
--新source端：  
GGSCI >add  extract EXCT02 , tranlog ,begin now
GGSCI >add exttrail ./dirdat/bb,extract EXCT02,megabytes 500
GGSCI > START EXT02


--新target端：
GGSCI >add replicat REPP02,exttrail ./dirdat/bb,checkpointtable OGG.CHECKPOINT,BEGIN NOW
GGSCI > START REPP02


--新source端：
GGSCI >add  extract EXPMP02,exttrailsource ./dirdat/bb,begin now
GGSCI >add  rmttrail /home/gg11.2/dirdat/bb,extract expmp02,megabytes 500
GGSCI > START expmp02


--新source端：
GGSCI > add trandata dm_act.*
GGSCI > add trandata dm_meb.*


--检查数据同步：
GGSCI > INFO EXTRACT EXCT02,SHOWCH
GGSCI > INFO EXTRACT EXPMP02,SHOWCH
GGSCI > INFO REPLICAT REPP02,SHOWCH


GGSCI > STATS EXCT02,DAILY ,TABLE DM_ACT.TEST
GGSCI > STATS REPP02,DAILY ,TABLE DM_ACT.TEST
GGSCI > STATS EXPMP02, TOTAL