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( cBinary events are analyzed by using DeCOR (the analysis engine used by both Compaq Analyze and its predecessor, DECevent) to apply rules to them. Rules are designed to fire when a particular criteria, such as a threshold, is met. For example, if the number of events within a given time frame exceeds the threshold specified in a rule set, the rule fires.
( åDepending on the circumstances, a event may or may not fire any rules. In addition, a single event can fire multiple rules. When a rule fires, it may produce none, one, or multiple reports. A report may be generated immediately, or may be generated after a gestation time period defined by the rule. Each report is stored in a instance file. After the report's expiration time period, defined by the rules, the report is removed from the instance file.
( ÜAnalysis rules are coded by Compaq serviceability engineers or other domain knowledge specialists. These rules are stored in Knowledge Rule Set files, typically with the file extension .krs. A KRS file contains one or more rules. One or more rule set files can be installed, or "registered," into an analysis instance file at the same time. A rule set can later be "unregistered" if it is no longer applicable.
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H  | ; Note |
| : Q It is possible to run Compaq Analyze without any rule sets registered (if the rule sets have been unregistered or deleted). However, if there are no registered rule sets, analysis will not generate meaningful results. The problem report generated by analysis will indicate if there are no registered rulesets or no applicable rulesets. |
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