NEC Express5800/320Ma Guía de usuario descargar pdf (Pagina 12)

Software Availability Manager

1-2 Express5800/320Ma: Software Availability Manager

Software Availability Manager Functions

SAM has the following functions:

• Monitor user applications to detect when they fail.

• Monitor the performance of critical system components—such as disk, CPU, and

memory—to detect performance problems before they cause a crash or data loss.

• Send messages to the Windows Event Log and notify users, by email, of certain

system-performance conditions.

• Execute user-specified programs in response to configured alert conditions.

Monitoring Instances and Events

SAM monitors instances and events.

Instances are the system performance elements that you specify to be monitored; for

instance, CPU usage, disk free space, and so on. The list of instances you can monitor

appears on the Express5800/320Ma Monitored Instances tab of the SAM snap-in. (See

“SAM Instances” on page 1-3 for a complete list of instances that you can monitor). You

specify which instances to monitor by configuring SAM in the MMC console.

An event, in the context of SAM, is a state change in a monitored instance. For

example, available disk space falling below specified limits is an event. You can

configure the instances to generate a warning or alarm and trigger the execution of a

program when the instance reaches a certain value.

For example, you can configure SAM to:

• Send an email warning (less severe) or alarm (more severe) to members of a

defined email list when available disk space on the system falls to a specified

percentage.

• Send email notification to members of a defined email list when the available

system memory falls below a specified amount.

• Execute a program when some specified threshold value is reached.

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NEC Express5800/320Ma Guía de usuario Pagina 12