What is a process failure?
What is a process failure?
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A process failure is a failure in a user, server, or background process of an Oracle instance such as an abnormal disconnection or process termination. When a process failure occurs, the failed subordinate process cannot continue its work, although the other processes of the Oracle instance can continue.
The process monitor (PMON) background process detects aborted user, server, or background processes. If the aborted process is a user or server process, PMON automatically resolves the failure by rolling back the current transaction of the aborted process and releasing the resources that this process was using. However, if the aborted process is a background process, the Oracle instance cannot continue to function properly. Therefore, the Oracle instance must be shut down and re-started in order to resolve the issue.
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