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Error Detection and Notification

The ability to provide detection and alarming for problems within an application is critical to building the best total fault resilient solution.  Since every specific application varies on the mechanism and format of failures, no one set of generic mechanisms can be supplied.  In general, however, many application configurations can rely on the Core system error detection provided within LifeKeeper. Two common fault situations are used to demonstrate the power of LifeKeeper's core facilities in the topics Resource Error Recovery Scenario and Server Failure Recovery Scenario.

LifeKeeper also provides a complete environment for defining errors, alarms, and events that can trigger recovery procedures. This interfacing usually requires pattern match definitions for the system error log (/var/log/messages), or custom-built application specific monitor processes.

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