Coupling facility structure persistence

The coupling facility is a volatile entity and only exists in memory.

MainView AutoOPERATOR allocates the structure so that it persists and retains sysplex variables even when all MainView AutoOPERATOR subsystems have shut down.

When the coupling facility is reset or re-IPLed, all structures that reside in the coupling facility are destroyed and subsequently all sysplex variables are lost.

Individual structures might also be manually destroyed or deleted by using an MVS command such as:

SETXCF FORCE,STRUCTURE,STRNAME=(structure name)

Do not destroy any structure while it is in use by MainView AutoOPERATOR.

Note

MVS supports duplex structures, with each structure in a separate coupling facility, as a means to improve reliability and availability.

 

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