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

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

New

DFSMSdfp:
- The ZEDC_R (“zEDC Required”) and ZEDC_P (“zEDC Preferred”) options are added to the COMPRESS parameter in the IGDSMSxx member of SYS1.PARMLIB.
- The ZR (“zEDC Required”) and ZP (“zEDC Preferred”) options are added to the Compaction field of the Data Class Define and Alter ISMF panels.
- New fields to indicate zEDC compression are added to the SMF type 14 record, in the compressed format data set section.
- New option fields are added in the FPZ4RZV and FPZ4PRB compression services.
- The following messages are added for zEDC compression:
  - IGD17167I
  - IGD17168I
  - IGD17169I
Note: For more information on the zEDC compression enhancements, see z/OS DFSMS Using the New Functions.
BCP (MVS) messages:
The following messages are new:
- ADR984W
- IGD17167I
- IGD17168I
- IGD17169I
- ILRH0112I
- IXC592I
- IXC593I
- IXC594I
- IXCH0265E
- IXCH0266I
- IXCH0930I
SDSF:
The following message is new:
- ISF794W

Changed

BCP (MVS) parmlib members:
Updates were made to the following parmlib members:
- In the ALLOCxx member, missing keywords are added back from V1R13. In addition, for V2R1, two additional SYSTEM keywords are added:
  - BATCH_RCLMIGDS(SERIAL|PARALLEL)
  - OPTCDB_SPLIT(EXPLICIT|CATALOG)
- BPXPRMxx is updated.
- CEEPRM00 has changed.
- CLOCKxx has a new parameter, ACCURACY.
- For CNGRPxx, only HMCS is added.
- The description of COFVLFxx includes changes to the action that VLF performs from writing a SYS1.LOGREC record to passing a return code.
- CONFIGxx has new parameters (STANDARD, ZAAP, ZIIP, and ANY) for the CPU/CPUAD statement.
- CONSOLxx has new parameters, SUPSBY for V2R1 and MSGFLD for V1R13.
- For CUNUNIxx, the REPLACE FROM and REPLACE CASE statements now allow VOLSER. REPLACE CASE now allows a value of UNI600. ADD CASE and DELETE CASE now add a value of ACA600.
- DEVSUPxx has new statements for MEDIA11, MEDIA12, and MEDIA13.
- DIAGxx is updated to include additional information about HyperSwap environments.
- GRSCNFxx has a new MONITOR statement.
- HZSPRMxx is not new for V2R1 but has two new statements for V2R1, HZSPDATA and SET,OPTION.
- For IEAFIXxx, the VOLUME keyword is added to allow uncataloged data sets.
- For IEALPAxx, VOLUME is defined.
- For IEAOPTxx, the parameter STORAGESERVERMGT with a default of NO was added in V1R13.
- In IEASVCxx, a new value EPNAME specifies the entry point name of the SVC and forces an abend if a specific SVC is issued.
- IECIOSxx has a new RECOVERY option of DCCF=MESSAGE or DCCF=WAIT_STATE.
BCP (MVS) messages:
- BHI0001I was changed in V2R1, but not included in the prior version of this information.
- IOS450E was mistakenly added as a changed message, but the message did not change in V2R1.
- BPXTF107I replaces BPXTF007I. The F was missing from BPXTF007I in the prior version of this information.
The following messages are changed:
- IEA383I
- IEA911E
- IEC143I
- IEE399I
- IEE459I (form 1 of 3)
- IEE459I (form 2 of 3)
- IXC531I
- IXC574I
- IXC582I
- IXC583I
- IXC584I
- IXG3101I
- IXL015I
Communications Server:
- EZY1387E, EZZ8139I were deleted in z/OS Version 1
- IST1371I was replaced by IST1797I
DFSMSdfp:
- The following messages are changed for zEDC compression (new reason codes):
  - ADR285E
  - ADR439E
  - ADR778E
  - IEC036I
  - IEC143I
  - IEC214I
- The new PS_EXT_VERSION parameter of the IGDSMSxx member of PARMLIB was incorrectly listed as PS_EXT_FORMAT and attributed to the BCP in Summary of changes to SYS1.PARMLIB. The information has been corrected.
TSO
- The LINK command has been updated with a new PRIV parameter of the STRIPSEC option replacing the incorrectly listed OPERAND command which does not exist. See Commands.