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

The following changes were made for z/OS Version 2 Release 1 (V2R1) as updated March, 2014.

New

The ZEDC_R (“zEDC Required”) and ZEDC_P (“zEDC Preferred”) options were added to the COMPRESS parameter in the IGDSMSxx member of SYS1.PARMLIB. For more information on the zEDC compression enhancements, see z/OS DFSMS Using the New Functions.

The default substitution text for &SYSOSLVL was clarified. See Table 1.
The BPXPRMxx member had various changes. See Statements and parameters for BPXPRMxx. Some of the updates included the following ones:
- The BPXPRMxx parameters were alphabetized.
- The FSFULL option is supported by TFS, in addition to HFS and TFS.
- A recommendation for LOSTMSG was added.
- For the FILESYSTYPE statement, clarifications to the TFS configuration parameters were added to the PARM parameter.
- For the MOUNT statement, a restriction was added to the DDNAME parameter. Clarifications to the TFS configuration parameters were also added to the PARM parameter.
For ALLOCxx, two new keywords were added to the SYSTEM parameter:
- BATCH_RCLMIGDS(SERIAL|PARALLEL)
- OPTCDB_SPLIT(EXPLICIT|CATALOG)
A minor clarification was made to the IHALCCA and IHAPCCA parameters in DIAGxx. See Statements/parameters for DIAGxx.
A note was added clarifying that WARNUND only applies to primary system parameters that are listed in IEASYSxx, and not their associated sub-parameters. See IEASYSxx (system parameter list).