Tag: OEM

How to Quickly Ignore ORA Error on Agent Layer

I had a very specific situation where I wanted to ignore an error from a specific agent. It turns out that it is easier and quicker to ignore a specific error using an OEM Metric. How? By using an agent parameter….

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How to work around OMS 12.1.0.3 error: Metric evaluation error start – Get dynamic property error

Have you received this error on OMS 12.1.0.3? “Metric evaluation error start – Get dynamic property error,” After performing some research on MOS and a confirmation SR, it seems related to Bug 17575631 CLUSTER DB HOME PAGE ERRORS- REGIONS FETCH…

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How to fix InfiniBand Error: Cable is present on Port “X” but it is polling for peer port

Facing an InfiniBand error? Let me guess: Ports 03, 05, 06, 08, 09 and 12 are alerting? You have a Quarter Rack? Have recently installed Exadata plugin to version 12.1.0.3 or higher? Don’t panic! This is probably related to Bug 15937297:…

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Change of database passwords through OEM

Once in a while passwords for system database accounts should be changed due to different requirements; it is a boring routine task, but it still needs to be completed. However, with the help of OEM it can be automated and…

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Log Buffer #442: a carnival of the vanities for DBAs

This Log Buffer Edition collects and then showers around some of the information-rich blog posts from Oracle, SQL Server and MySQL.

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UDM is watching you, UDMs

With time monitoring of several thousand targets of different versions and on different operating systems accumulates additional checks and user-defined metrics for specific requirements. With the presence of a dozen super administrator accounts, the Oracle Enterprise Manager environment demands specific…

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Proactive FRA Monitoring Using OEM Metrics

As you know, thresholds for flash/fast recovery area (FRA) usage are set internally in a database to 85 and 97 per cent, and there are no ways to change the thresholds — at least none that are supported by Oracle. This might work fine in most cases, but being aware of changes in FRA usage can sometimes be helpful. You can then contact your DBA and suggest verifying your database’s settings.

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Hey, Look Who’s on Twitter! It’s Our OEM!

Sometime in the near future… Finally, that day came. He was the last human being to stay on Twitter with the “others”, and he did a good job trying to keep up with “them”. But today is going to be…

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Why You Should Combine Your OEM Repository and SQL Developer

Why do we love data? Because it brings us INFORMATION, a central element in today’s computer-driven world. One of the countless sources of data is an OEM repository. Gathered metrics placed together for monitored targets can become priceless in a…

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OEM Notification on Generated Trace Files

The predefined metric “Dump Area Used (%)” can monitor space consumption for dump destination of oracle database. However, it just triggers on percentage occupied, and if there are several databases on the host using the same file system for trace…

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