8.8. Cross-DVM Data Server Plans

Design and implementation record for reaching a data server that lives in another DVM — what prte_pmix_server_uri (historically ompi-server) names, and what MPI’s MPI_Publish_name / MPI_Comm_accept between separately-launched jobs runs on.

• 8.8.1. Reaching a data server in another DVM
  • 8.8.1.1. What this is for
  • 8.8.1.2. Why it could not work over the RML
  • 8.8.1.3. The approach: a PMIx tool connection
  • 8.8.1.4. Two things the design has to get right
  • 8.8.1.5. What changed
  • 8.8.1.6. How it is tested