Rui Miguel Feio

Choosing Between PADCHK And NOPADCHK Operands

1st November 2013 Rui Miguel Feio

When setting up program control protection in RACF via the PROGRAM general resource class, you have the option to specify if the profile is to be PADCHK or NOPADCHK. PADCHK This is the default. With PADCHK, RACF will check for Program-Accessed Data Sets (PADS) that are already open before executing […]

Most Common Out-Of-Space Abends and Error Codes

2nd October 2013 Rui Miguel Feio

Although many other space related abends and error codes may occur, the truth is that some are more common than others. The following table lists the ones that fall under the most common out-of-space abends and error codes: Abend / Error Explanation B37-04 Insufficient space/extents on current volume and […]

The IEFBR14 utility

1st October 2013 Rui Miguel Feio

IEFBR14 is an IBM utility better known for being a dummy utility because it does almost nothing. IEFBR14 performs no other action than return a completion code of 0. However, submitting JCL to run the IEFBR14 utility invokes other system components that perform the following useful tasks: Allocate new flat files […]

DFSMSdfp Utility – IEBCOPY

17th September 2013 Rui Miguel Feio

IEBCOPY is a DFSMSdfp utility used to perform the following tasks: Copy all or part of a partitioned dataset (PDS) or PDSE Merge partitioned datasets (except when unloading) Create a sequential form of a partitioned dataset or Reload one or more members from a PDSU into a partitioned dataset or PDSE Selected […]

DFSMSdfp Utility – IEBGENER

17th September 2013 Rui Miguel Feio

IEBGENER is a DFSMSdfp utility used to perform the following tasks: Produce a backup copy of a sequential dataset, a member of a PDS or PDSE or a z/OS Unix file Produce a PDS or PDSE, or a member of either, from a sequential file or a z/OS Unix file Expand an […]