Dell Vizioncore Manual de usuario descargar pdf (Pagina 216)

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Administration and Configuration Guide

Example: Assigning Multiple Values to a Registry Variable

You have several groups of servers in your monitored environment. You want an email

to be sent to the system administrator if one of the servers becomes unavailable, but a

different administrator is responsible for each group. Instead of creating a different rule

with a different email action for each group, you create a registry variable called

Administrator and then assign it a different value (the email address of the appropriate

administrator) for each group of servers. You then create a single simple rule that fires if

any of the servers become unavailable and which uses the Administrator variable in the

rule’s email action.

Example: Using Performance Calendars

Creating a performance calendar for a variable’s values allows you to cause rules to

behave differently at different times.

Note If the schedule used in a performance calendar is deleted, the performance calendar will

automatically be deleted as well.

There is a simple rule that applies to the servlets in your application; an alarm fires if the

request response time for a servlet exceeds the threshold set in the rule condition. This

threshold is a registry variable called ResponseTimeTooLong; it is scoped to the

topology type J2EEServlet and its default scoped value is 8 seconds.

However, you know that at certain times of day response times for servlet instances are

expected to exceed this threshold. At these times, the acceptable response time can be as

long as 15 seconds.

You can use registry variable performance calendars to account for this and avoid

having the rule fire as a result of false positives. You create a schedule called EndOfDay

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