Tech – Mainframe

Posts related to the mainframe world

RACF

RACF Utilities Summary

20th November 2015 Rui Miguel Feio
IBM provides several utilities for RACF that can be helpful for a mainframe security administrator. Without going into much detail on each of the RACF utilities, the following table provides an explanation of what each of these utilities is for: Utility Description IRRMIN00 RACF database initialisation utility. IRRMIN00 can be […]
FAQ
RACF

What is SAF?

9th November 2015 Rui Miguel Feio
SAF or System Authorisation Facility is an interface defined by MVS that enables programs to use system authorisation services to control access to resources, such as datasets, MVS commands, JES, etc. SAF can either process security authorisation requests directly, or work with an External Security Manager (ESM) such as RACF, […]
JCL

How to Copy a Dataset into Another Using IEBGENER

18th August 2015 Rui Miguel Feio
IBM utility IEBGENER can be used to copy the content of one dataset into another via batch. The basic JCL for this effect is as follows: //COPYFILE EXEC PGM=IEBGENER //SYSPRINT DD SYSOUT=* //SYSUT1 DD DSN=input_dataset,DISP=SHR //SYSUT2 DD DSN=output_dataset,DISP=(,CATLG), // VOL=SER=volser, // SPACE=(CYL,(xx,yy),RLSE) //SYSIN DD DUMMY //SYSUDUMP DD SYSOUT=* //* You […]