[Ogg III] daily operation and maintenance: clean up archive logs, register Ogg process services, and regularly back up databases

Clean up archive logs

ogg You need to open the archive log to use , Archive logs will grow over time , Full space , Cause the application can't run normally .
If the archive log is full, an error will be reported

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ORA-00257:archiver error terms of settlement 

      

       
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Check flash recovery area Usage situation

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select * from V$FLASH_RECOVERY_AREA_USAGE;

      

       
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terms of settlement ： Use rman , Using timed tasks , Clean up regularly .
Timed task scripts ：
OracleArchLogClear.bat

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D:\app\Administrator\product\11.2.0\dbhome_1\BIN\rman target sys/[email protected] cmdfile=D:\tools\OracleArchLogClear.rman log=D:/app/Administrator/product/11.2.0/dbhome_1/log/OracleArchLog/clear%date:~0,4%%date:~5,2%%date:~8,2%.txt

      

       
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OracleArchLogClear.rman
Keep recent 7 Days of

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crosscheck archivelog all;
delete expired archivelog all;
DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-7';

      

       
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Last in windows Scheduled tasks are configured in the plan , call OracleArchLogClear.bat.

ogg After the registration process , The process can be restarted automatically

stay windows Configuration in environment

1. stay OGG Installation directory “ Run as administrator ” Mode on cmd Prompt , Carry out orders , Activate service .

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  install addservice

      

       
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2. Return result of successful configuration ：

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    C:\OGG\product\12.1.2\oggcore_1>install addservice
    Service’GGMGR’ created.
    Installprogram terminated normally.

      

       
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3. stay Windows Service found GGMGR, Right click to start .

4. Configure the extraction, delivery and assignment process mgr The process starts automatically
   Be careful not to forget that .

• Configure the delivery and extraction process on the source side mgr The process starts

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-- start-up mgr Process startup extract process 

AUTOSTART EXTRACT *

-- When extract It starts automatically when the process terminates abnormally , Every time 5 Minutes to try to restart all extract process , Try it all 3 Time ,5 Zero minutes 

AUTORESTART EXTRACT *,RETRIES 3, WAITMINUTES 5, RESETMINUTES 10


      

       
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• Configure the replication process on the target side mgr The process starts

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-- Auto start replicat process 

AUTOSTART REPLICAT *

-- When replicat It starts automatically when the process terminates abnormally , Every time 5 Minutes to try to restart all replicat process , Try it all 5 Time 

AUTORESTART REPLICAT *, WAITMINUTES 2, RETRIES 5

      

       
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Back up the database regularly

The principle is simple , Just use expdp Export and configure windows Timing task .

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 Write the following script in Notepad , Example ：

@echo off

echo  Set export file name and log file name 

set Today=%DATE%

set Today=%Today:~0,4%%Today:~5,2%%Today:~8,2%

set dmpname=%Today%_exp

set logname=%Today%_exp_log

echo  Output file name and log file name , Verify that the name is correct 

echo %dmpname%

echo %logfilename%

echo  Start backing up the database 

echo  Use EXPDP Command export DMP file 

expdp user/[email protected] Client service name  schemas=user directory=DATA_BAK_DIR dumpfile=%dmpname%.dmp logfile=%logfilename%.log

      

       
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For details, please refer to ： https://jingyan.baidu.com/article/cb5d6105a1bc59005d2fe061.html

Finally, a sigh ： The whole stack can do anything ！