Summary of changes for z/OS Version 2 Release 1 (V2R1) as updated September, 2014

New

• For the DEVSUPxx parmlib member, a restriction was added to the TAPEPBLKSZLIM= parameter to indicate that DFSMSdss only supports BLKSZLIM of 65,520 and higher. See Statements/Parameters for DEVSUPxx.
• With APAR OA44049, diagnostic CTRACE data was added to VSAM RLS BMF GET/FREE requests. With the new parameter CSRPOOLDIAG in the DIAGxx parmlib member, the get and free services of the CSR cellpool return diagnostic data. See Syntax format of DIAGxx and Statements/parameters for DIAGxx.
• With APAR OA41968, a new keyword, INCLUDE1MAFC, was added to the LFAREA parameter in the IEASYSxx parmlib member. It specifies that the 1 MB pages are to be included in the available frame count (RCEAFC), and improves paging. See LFAREA.

Changed

• The BPXPRMxx parmlib member was updated to clarify that the value of the SHRLIBRGNSIZE parameter must be evenly divisible by 1048576. See Statements and parameters for BPXPRMxx.
• Clarification was added to the TIMEZONE parameter of the CLOCK parmlib member about applications that are required to run with local time equal to UTC. See Statements/parameters for CLOCKxx.
• An explanation was added to the CONFIGxx parmlib section that the depreciated ESTOR parameter is tolerated. See Statements and parameters for CONFIGxx.
• With APAR OA44526, the lower limit for the IEAOPTxx keyword BLWLINTHD was changed. See Statements/parameters for IEAOPTxx.
• The documentation for the BreakPointValue parameter for the IGDSMSxx parmlib member was clarified and made more complete. See Optional keywords for IGDSMSxx.
• The IBM-supplied program properties table (PPT) had several updates.
  • With APAR OA42165, the PPT table was updated to include CRITICALPAGING for the BCPii address space program, HWIAMIN2.
  • With APAR OA43256, additional support of zEDC Express update and fixes for z/OS PCIE support were included.  IQPINIT for PCIE services was added to the PPT table.
  • With APAR OA44695, support was added for IOSVROUT and programs attached to it to obtain 64-bit virtual storage. The "No honor IEFUSI region settings" value was added to IOSVROUT in the PPT table.
  See Table 1 in the SCHEDxx parmlib section.

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