Summary of changes for z/OS V2R1 as updated September 2014

The following changes are made for z/OS Version 2 Release 1 (V2R1) as updated September 2014. In this revision, all technical changes for z/OS V2R1 are indicated by a vertical line to the left of the change.

New

  • BCP (MVS):
    • 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.
    • 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.
    • 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.
    • The following messages are new:
      • ADR530I
      • ADR531E
      • ADR532E
      • ADR533I

Changed

  • BCP (MVS):
    • The BPXPRMxx parmlib member was updated to clarify that the value of the SHRLIBRGNSIZE parameter must be evenly divisible by 1048576.
    • 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.
    • An explanation was added to the CONFIGxx parmlib section that the depreciated ESTOR parameter is tolerated.
    • With APAR OA44526, the lower limit for the IEAOPTxx keyword BLWLINTHD was changed.
    • The documentation for the BreakPointValue parameter for the IGDSMSxx parmlib member was clarified and made more complete.
    • The IBM-supplied program properties table (PPT) in the SCHEDxx parmlib 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.
    • The following messages are changed:
      • ADR285E - New return code 16
      • ADR439E - New return code 146
      • ADR707E - New ZCOMPRESS keyword
      • ADR778E - New return code 22
      • ADRY501I - Updated explanation
      • ADRY503E - Updated explanation
      • ADRY3501I - Updated explanation
      • ARC0216I - New return code 48
      • ARC0336I - Mention of new ZCOMPRESS parameter
      • ARC0340I - New ZCOMPRESS options
Parent topic: Summary of changes