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4 Performance Monitoring and Management : 4.5 Alerting : 4.5.1 Using the Alerts Dashboard

Use the Dashboards menu (on the Monitoring tab) to access the Alerts Dashboard. The Alerts Dashboard (see Figure 4.31) displays a summary of the active alerts and the status of each alert:
The Alerts Dashboard header displays the date and time that the dashboard was last updated, and the number of current alerts.
The Alerts Overview section displays a graphic representation of the active alerts, as well as a count of the current high, low and medium alerts. The vertical bar on the left of the graph provides the count of the alerts displayed in each column. Hover over a bar to display the alert count for the selected alert severity in the upper-right hand corner of the graph.
The Alert Details table provides a list of the alerts that are currently triggered. The entries are prioritized from high-severity to lower-severity; each entry includes information that will allow you to identify the alert and recognize the condition that triggered the alert. Click the name of an alert to review detailed information about the alert definition.
The Alert Errors table displays configuration-related errors (eg. accidentally disabling a required probe, or improperly configuring an alert parameter). You can use the information provided in the Error Message column to identify and resolve the conflict that is causing the error.
Figure 4.32 - Customizing a chart.
Use fields on the Personalize chart configuration dialog (Figure 4.32) to provide your display preferences:
Use the Auto Refresh field to specify the number of seconds between updates of the data displayed in the table or chart.
If applicable, use the Download as field to indicate if you would like a chart to be downloaded as a JPEG image or a PNG image.
If applicable, use the Colours selectors to specify the display colors that will be used on a chart.
If applicable, set the Show Acknowledged Alerts switch to Yes indicate that you would like the table to display alerts that you have acknowledged with a checkbox in the Ack'ed column. Set the field to No to indicate that the table should hide any acknowledged alerts. The switch acts as a toggle; acknowledged alerts are not purged from the table content until the time specified in the alert definition passes.
To save your customizations, click the Save icon (a check mark) in the upper-right corner; to delete any previous changes and revert to the default values, click the Delete icon. The Save and Delete drop-down menus allow you to specify if your preferences should be applied to All Dashboards, or to a selected server or database.

4 Performance Monitoring and Management : 4.5 Alerting : 4.5.1 Using the Alerts Dashboard

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