Allowing another host to take over secondary space management functions

In a sysplex, you can enable another host to take over secondary space management functions for either a primary or a secondary host that has failed. This function, called secondary host promotion, ensures continuous availability of DFSMShsm functions.

Related reading

For more information about secondary host promotion key definitions and how to enable secondary host promotion from the SETSYS command, see z/OS DFSMShsm Implementation and Customization Guide.