Concept Solutions Corporation Mainframe

Incident: Index error when DB2 loads a table. Steps: REORG INDEX - this was successful but did not fix index error REORG TABLE - UNLOA...

RACF User profiles contain information about the user. A user profile can be connected (please note the right term: connected, not defined) ...

Compared to mainframe security implementation, Windows and *Nix security is very primitive. Resource Access Control Facility (RACF) is one o...

SYNCSORT is one of the more powerful tools on the mainframe. One of its features is it can sum up a specific column in your file based on so...

My development team was involved in a project years ago that required migrating 200 Configuration Items (CI's) such as JCL, PROC, SYSIN ...

In our previous article: z/OS Compile Process , we talked of the basic Compile process. On the mainframe though, you can write programs that...

Programs are written in programming languages that humans can understand. However, the processor cannot understand these languages. These la...

MVS users know IEBGENER is used to copy files. However, it can also be very slow compared to SYNCSORT. The good news is that SYNCSORT has IC...

Technologies Used: PL/1 3.8 DB2 z/OS Caused By: An 0C1 ABEND is caused by an invalid instruction. Normally, 0C1 is caused by writin...

Executive Summary Aside from being difficult, auditing RACF requires special skills. It needs understanding of RACF concepts plus unders...