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Resource Monitoring and Control Guide and Reference
- The part of the Event Response resource that contains a command and other
information concerning the command.
- A state of a resource as defined by the Event Response resource manager
that is of interest to a client. It is defined by means of a logical
expression called an event expression. Conditions apply to resource
classes unless a specific resource is designated.
- Occurs when the event expression of a condition evaluates to true.
An evaluation occurs each time an instance of a dynamic attribute is
- event expression
- A definition of the specific state when an event is true.
- Event Response
- One or more actions as defined by the Event Response resource manager that
take place in response to an event or a rearm event.
- First Failure Data Capture provides a way to track problems back to their
origination even though the source problem may have occurred in other layers
or subsystems than the layer or subsystem with which the end user is
interacting. FFDC provides a correlator called an ffdc_id for any error
that it writes to the AIX error log. This correlator can be used to
link related events together to form a chain.
- rearm event
- Occurs when the rearm expression for a condition evaluates to true.
- rearm expression
- An expression that generates an event which alternates with an original
event in the following way: the event expression is used until it is
true; then, the rearm expression is used until it is true; then, the
event expression is used. The rearm expression is commonly the inverse
of the event expression. It can also be used with the event expression
to define an upper and lower boundary for a condition of interest.
- An entity in the system that provides a set of services. Examples
of hardware entities are processors, disk drives, memory, and adapters.
Examples of software entities are database applications, processes, and file
systems. Each resource in the system has one or more attributes that
define the state of the resource. (Note that in Web-based System
Manager, attributes are referred to as properties.)
- resource class
- Broad category of system resource; for example, node, file system,
adapter. Each resource class has a container that holds the functions,
information, dynamic attributes, and conditions that apply to that resource
class. For instance, the /tmp space used condition applies to a File
System resource class.
- resource manager
- A process that maps resource and resource-class abstractions into calls
and commands for one or more specific types of resources. A resource
manager can be a standalone daemon, or it can be integrated into an
application or subsystem directly.
- Structured Data
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