z/OS Communications Server: SNA Network Implementation Guide
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Failure of a VTAM node

z/OS Communications Server: SNA Network Implementation Guide
SC27-3672-01

All other VTAMs connected to the MNPS structure will detect the VTAM® failure. One of these VTAMs will process any data in the structure owned by the failing VTAM. For all MNPS application programs owned by the failing VTAM that are not enabled for recovery, all application data will be removed from the structure. For all MNPS application programs owned by the failing VTAM that are enabled for recovery, the application program will be marked recovery pending. This will allow the application program to recover its sessions on a different VTAM node. See Failure recovery processing for information about data recovery when a VTAM node fails.

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