Programming interfaces

Table 1 lists new and changed programming interfaces for DFSMSdfp.

Table 1. DFSMSdfp: Summary of new and changed programming interfaces
Programming Interface Release Description Reason for change
ANTTREXX z/OS® V2R1 New: PSETCHAR request type: Set characteristics of a PPRC primary and secondary volume pair, including whether the pair is to be used for a Preserve Mirror function in a Multi-Target Mirror configuration. Multi-Target Mirror support.
ANTTREXX z/OS V2R1 New: MTFAILOVER subparameter for PESTPAIR request type, to convert a cascaded configuration to a multi-target configuration. Multi-Target Mirror support.
ANTTREXX z/OS V2R1 New: MTVOLLIST and MTVOLRANGE parameters, on RVOLUME requests, for multi-target volume list and multi-target volume range. Multi-Target Mirror support.
ANTTREXX z/OS V2R1 New: XFEATURES parameter, on XQUERY requests, specifies that the requested report display the Licensed Internal Code (LIC) features available to the storage control. Workload-based write pacing support.
ANTTREXX z/OS V2R1 Updated: VOLUME PACE report is expanded when workload-based write pacing is in effect. Workload-based write pacing support.
ANTTREXX z/OS V2R1 Updated: The DVCBLOCK parameter, on XADD and XSET requests, is handled differently with workload-based write pacing. Workload-based write pacing support.
ANTTREXX z/OS V1R12 New: The program ANTTREXX allows a REXX exec to use the ANTRQST API. Support for the ANTRQST macro through the REXX programming language.