1.2.1 Evaluating monitored items
Before you install Performance Management, determine the performance data you want to monitor (monitored items). Evaluate monitored items based on your purpose for using operation monitoring. Use the results of this evaluation to determine specific items for when you start running Performance Management, such as the items to be monitored and the monitoring conditions.
Purposes of operation monitoring and its implementation with Performance Management
In general, there are two principal purposes of operation monitoring. One is monitoring the operation of the business system and responding to problems, and the other is capacity planning for the business system. The following explains the implementation methods using Performance Management for each purpose.
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Monitoring the operation of the business system and responding to problems
Performance Management enables you to monitor the operation of the business system by using an alarm function to send notification reports when performance data reaches threshold values. You can use the report function to display reported alarm-related data in table and graph formats for the purpose of determining the causes of problems.
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Capacity planning for the business system
By using a report function, Performance Management enables you to display in table and graph formats information that is useful for analyzing trends in the business system. Evaluating the information displayed in such reports enables you to perform capacity planning for your business system based on actual conditions.
Example of evaluating monitored items
The following is an example of evaluating monitored items according to the purpose of operation monitoring:
Purpose |
Requirement |
Evaluation result (monitored items) |
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Monitoring the business system and responding to problems |
Monitoring basic items to determine the overall condition of the business system's OS |
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Capacity planning for the business system |
Monitoring items related to server performance to plan for when to replace a server |
(The amount of free space on a logical disk is not included here because a shortage here can be handled without having to replace the server.) |
This example shows only monitoring of the performance of the OS on a server. Performance Management supports many other monitored items. The monitored items that are supported depend on the agent product. For details about the supported monitored items and example operations for each agent product, see the documentation for the applicable agent products.
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Performance Management provides templates that contain definitions for frequently monitored items and monitoring conditions. If there is a monitoring template that is appropriate for the monitored items evaluated before installation, you can use it to specify definitions more quickly when starting Performance Management operation.
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