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oracle dbms health checks

Posted on 2013-05-14
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Last Modified: 2013-05-15
Are there any useful health check/best practices analyzer scripts or software for oracle databases, along the lines of the following for MS-SQL:

http://sqlmag.com/blog/microsoft-sql-server-2012-best-practices-analyzer-bpa
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Question by:pma111
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slightwv (䄆 Netminder) earned 250 total points
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Check out Health Monitor:
http://docs.oracle.com/cd/E11882_01/server.112/e25494/diag007.htm#ADMIN11269

There are also many alerts/checks in Enterprise manager (or dbConsole) that tell you about things going on in the database.
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by:stergium
stergium earned 250 total points
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hello.
A start would be on the enterprise manager .
I stole that from oracle forums
"check undo/temp/flashback configurations
- review non-default init parameters
- review shared memory setup
- check backup and recovery status/strategy
- check available space in tablespaces
- check if table/index statistics are currect
- check if tables might benefit from shrinking
- review security – unlocked user/ weak passwords
- check if there are indexes that are redundant / not ever used
- check if there are no missing indexes (ex. for fk)
- The presence of ORA-600/7445 errors in the alert log?
- Are any tablespaces nearly full (without autoextend)?
- A test of I/O throughput against some benchmark?
- A test of SQL response time against some benchmark (ala OEM)?
- ask customer/users about any known issues
- Licencing Audit
- Review of patch or even version status
- Check logs for oddities
- check for invalid objects
- review of performance, look at whole tuning arena
- Security
- suitability of backup strategy"

also you should have a look at this one  assuming you are dealing with an 11g db
https://forums.oracle.com/forums/thread.jspa?threadID=2495022 
hope that helps
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by:slightwv (䄆 Netminder)
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>>I stole that from oracle forums

You need to provide the link.
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by:stergium
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by:pma111
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Is there anywhere that details the exact checks that health monitor performs? What kind of issues is it looking for?
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by:slightwv (䄆 Netminder)
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I don't know where everything is spelled out.  The types of check performed is in the doc link I provided:
http://docs.oracle.com/cd/E11882_01/server.112/e25494/diag007.htm#CHDDGBJC

Oracle Support might be able to provide a detailed list of checks.
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