z/OS MVS Programming: Sysplex Services Guide
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During the Duplex Established Phase

z/OS MVS Programming: Sysplex Services Guide
SA23-1400-00

  • If a loss of connectivity to the old structure occurs, MVS™ presents the LOSSCONN event to all active connectors and automatically initiates a switch to the new structure.
  • If a loss of connectivity to the new structure occurs, MVS presents the LOSSCONN event to all active connectors and initiates a fallback to the old structure.
Parent topic: Handling Loss of Connectivity during Duplexing Rebuild

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