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FAQ-What Are the Meanings of Patch States

Publication Date: 2015-06-30 Views: 326 Downloads: 0

Issue Description

What Are the Meanings of Patch States?

Solution

In system software, patches fall into four states:

IDLE: indicates the initial state. No patch is loaded.
DEACTIVATE: The patch has been loaded, but not started.
ACTIVATE: The patch is in the trial operating state.
RUNNING: The patch is in the normal operating state.

Patches in active state and running state differ in: Patches in active state become invalid after system restart and they do not take effect any longer; whereas patches in running state recover after system reset and they continue to take effect. The active state supplies a cache and prevents continuous operating faults due to patch error.

The diagram of patch state transitions is as follows: