Link buffers and subchannels
In this appendix, we explain the relationship between z/OS subchannels for CF link CHPIDs, link buffers in the coupling link hardware, and the InfiniBand coupling links themselves.
Capacity planning for coupling links overview
Capacity planning for coupling links is different from other channel types. For one thing, RMF does not provide accurate bandwidth utilization information for Coupling Facility (CF) links. Also, the RMF Postprocessor, the tool that is typically used to perform capacity planning, does not report ...
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