Posts related to storage on mainframe
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 […]
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 […]
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 […]
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 […]
Through Automatic Class Selection (ACS) routines, SMS assigns classes to data based on its requirements and attributes and select specific storage groups to store the data. In order to do this, SMS (Storage Management System) uses classes and groups that are associated or assigned to data sets, objects and volumes. […]
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