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  Oracle Replication Tips by Burleson

Monitoring with Oracle Enterprise Manager

OEM has become a powerful tool, and where it really shines is in monitoring replication.  If you sign on as REPADMIN and navigate down to the Advanced Replication Administration folder, OEM displays a graphic of the replication scheme, identifying sites with errors and sites currently propagating transactions (Figure 6.13).  You will quickly learn the different icons, but until you do, click on the Legend button for a listing. 

In Figure 6.13 you can see that the database link is active and that no master site currently has transactions in the error queue.  You can also see that the MYDB.WORLD master site supports 2 tables, replicating to another site as materialized views. 

This one quick view gives you a detailed report of your replication status.  The only detail lacking is the state of the replication jobs at each site.  If a job is broken, transactions will build up in the deferred transaction queue, but they will not generate errors.  For that reason, you need to implement a script like the ones detailed in Chapter 5 to monitor jobs at each master site.

ure 6.13 OEM Replication Administration

This is an excerpt from Oracle Replication By Rampant TechPress (only $19.95).  You can click here to order a copy and get instant access to the code depot:

Get a Personal Oracle Replication Mentor

The author is now offering personal mentors for Oracle DBAs where you can have an Oracle expert right at your fingertips, anytime day or night. We work with hundreds of Oracle databases every year, so we know exactly how to quickly assist you with any Oracle replication question. 

You can get me personally, or any Oracle Certified replication DBA with more than 20 years of full-time IT experience. 




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