Microsoft System Center Operations Manager Field Experience by Danny Hermans & Uw Tandra Stürtz & Mihai Sarbulescu & Mitch Tulloch

Author:Danny Hermans & Uw Tandra Stürtz & Mihai Sarbulescu & Mitch Tulloch
Language: eng
Format: mobi, epub
Publisher: Microsoft Press
Published: 2015-06-20T16:00:00+00:00

It is always good to monitor free space. The Windows Server Operating System management pack also checks free space, but it is free disk space visible to the operating system. The performance counter collections shown in Figure 3-10 gather the free space within the actual database as seen by SQL Server.

For an example how this environment can be tuned, assume that it is not necessary to collect disk read and write latency, maybe because there is another management pack specifically designed to measure disk latency. In this case, it would be possible to override the collection rule and remove almost 20 percent of the collected performance counter data for this management pack (almost 10 percent multiplied by 2).

Apart from alerts and events and performance counter collections, continuous state changes can also have a big influence on the performance of your Operations Manager environment. For instance, when a monitored object changes from green to red, it changes state. Only monitors (not rules) can change the state of an object. Sometimes, the object changes state so fast that you don’t see any alerts in the Operations Manager console. The Data Volume by Management Pack report shows whether there is a continuous state change problem by showing large numbers in the State Changes column. If this problem is present, try to determine why the object is changing state so frequently.

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