Start option behavior changes

Table 1 lists the SNA start options that have changed behavior.

For complete information about all SNA start options, refer to z/OS Communications Server: SNA Resource Definition Reference.

Table 1. Summary of new and changed Communications Server start option behavior changes
Start option with changed behavior Release Description of update Reason for change
Start of changeAIMONEnd of change Start of changeV2R2End of change Start of changeThe AIMON start option is enhanced to enable VTAM to monitor overdue adapter interrupts for internal shared memory (ISM) interfaces that are associated with Shared Memory Communications – Direct Memory Access (SMC-D) and OSA-Express QDIO interfaces.End of change Start of changeShared Memory Communications - Direct Memory AccessEnd of change
Start of changeINOPDUMPEnd of change Start of changeV2R2End of change Start of changeNew INOPDUMP control groups enable more granular control on which resources are eligible to initiate inoperative diagnostic dumps.End of change Start of changeShared Memory Communications - Direct Memory AccessEnd of change
Start of changeTNSTATEnd of change Start of changeV2R2End of change Start of changeThe TNSTAT start option has no effect on a TRLE that represents an ISM device.End of change Start of changeShared Memory Communications - Direct Memory AccessEnd of change
TRACE V1R13 The VIT operand DSPSIZE is no longer supported. Coding the DSPSIZE operand results in message IST448I DSPSIZE OPTION IGNORED - NO LONGER SUPPORTED. Increased CTRACE and VIT capacity
V1R13 The VIT operand SIZE specifies the number of megabytes of HVCOMMON storage to be used for the VIT table. Previously, it specified the number of pages of ECSA to be used for the VIT table. If you do not specify M (for megabyte), a default of 4M is used. Increased CTRACE and VIT capacity
Parent topic: Communications Server SNA summary of interface changes