z/OS DFSMShsm Implementation and Customization Guide
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Considerations for implementing XCF for secondary host promotion

z/OS DFSMShsm Implementation and Customization Guide
SC23-6869-01

The cross system coupling facility (XCF) component of MVS/ESA provides simplified multisystem management. XCF services allow authorized programs on one system to communicate with programs on the same system or on different systems. If a system ever fails, XCF services allow the restart of applications on this system or on any other eligible system in the sysplex.

Before you configure the cross-coupling facility (XCF) in support of the secondary host promotion function, consider the following information:
  • There will be only one DFSMShsm XCF group per HSMplex. The XCF group name is the HSMplex name, with the default name being ARCPLEX0.
  • There will be one XCF group member for each DFSMShsm host in the HSMplex.
  • DFSMShsm does not use the XCF messaging facilities.
For more information about configuring XCF in a sysplex, refer to the following publications:
Parent topic: Secondary host promotion

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