Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Operations Manager i10.62

Administer > Event Processing > Topology-Based Event Correlation > Event Correlation Rule topology

Event Correlation Rule topology

It is easier to understand the context in which a correlation rule exists and how the rule works if you can see the topology of the configuration item types that are included in the rule. OMi uses the Rule Topology pane in the Correlation Rules manager to graphically represent the correlation rule you are designing or modifying. The configuration item types that you include in the correlation rule are highlighted in the topology of the view to which they belong.

Labels indicate the type of objects in the correlation rule and the relationship between the objects. For example, correlation rules can include relationships such as Contains, Depends on, or Member.

Note You cannot change or modify the type of relationship displayed in the Rule Topology pane. The relationship is defined in the view. Use the Modeling Studio to set up new views and new relationships.

You use the Rule Topology pane to specify which parts of the view topology to consider for the correlation rule you are configuring. In the Rule Topology pane, you select the configuration item types and select the relationship between them. These relationships are defined in the RTSM. The Correlation Rules manager checks that the rule you define indicates both the configuration item types to consider in the event correlation process and their relationship. If the rule does not indicate the relationship between configuration item types, the Correlation Rules manager does not permit you to save it.

The rule topology shows the relationships between all the configuration item types in the chosen view. If only one topological path exists between the configuration item types in your correlation rule, OMi automatically highlights the path for you. If more than one path exists, you must manually select the path between the configuration item types specified as symptoms and cause in the correlation rule.

If you configured multiple correlation rules in a chain, where a cause in one rule is a symptom in another, OMi displays useful information about the indicator states used in the correlation rule and enables you to navigate between the rules following the correlation chain.

For more information about the contents of the Rule Topology pane, see Rule Topology Pane. For more information about configuring rule topology, see Define the Rule Topology.

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