The following is a list of useful DFSMShsm user commands, containing their description, syntax and some examples. Command Description HALTERDSHAL Changes the data set parameters that affect backup. This command only applies to NON-SMS managed data sets. Syntax: HALTERDS (dsname/password…) FREQUENCY(days) or SYSFREQUENCY VERSIONS(limit) or SYSVERSIONS Examples:HALTERDS PARTSTST.CNTL VERSIONS(13) FREQUENCY(999) […]
Last month I wrote another article for SHARE’s Security Corner that I’m reproducing below. This article and others can be accessed for free at SHARE’s website. Many IT organizations see outsourcing as a viable solution to the problem of declining skills in their mainframe team. The outsourcer will take the […]
This is a recent article I have written for SHARE for the Security Corner. This article and others can be accessed for free at SHARE’s website. For the typical mainframer, any system that does not have the letter z at the beginning of its name is not really a system […]
IRRDBU00 is the IBM RACF database unload utility that can be used to create a sequential file from a RACF database. The sequential file produced can then be used to: View the RACF environment configuration Used as input for programs Manipulated with sort/merge utilities Be loaded into a database manager […]
It is important to understand what owning a RACF resource really means to avoid security misconfigurations and the introduction of security vulnerabilities in your mainframe environment. In this article, I will try to explain the concept of a RACF resource OWNER, and describe what the OWNER can actually do. Let’s […]
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