Tag Archives: IBM

Global Resource Serialization for zOS – To Serialize or Not To Serialize

Summary This Article summarizes concepts of GRS in IBM zOS mainframe systems explaining how data sharing is performed in a multi-system environment. It also illustrates design specifications of related products. Finally operational aspects for different topologies are described. Introduction As … Continue reading

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IT Security Audits for IBM zOS Systems from Top Secret Perspective

An information technology security audit is a manual or systematic measurable technical assessment of an information system. Manual assessments include interviewing staff, performing security vulnerability scans, reviewing application and operating system access controls, and analyzing physical access to the systems. … Continue reading

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Automatic Deletion of TS (Temporary Storage) Queues for CICS TS v4.2

CICS TS (Customer Information Control System Transaction Server) is IBM’s general purpose TP (Transaction Processing) monitor, application server and a middleware for system z servers. During its regular operation, CICS utilizes TS queues for temporary storage requirements together with other … Continue reading

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Shortening z/OS Recycling Time

IBM System z server workloads are comprised of heterogeneous transaction types. DB2 queries, WAS (Websphere Application Server), Websphere MQ (Message Queueing oriented middleware), CICS TS, CTG (CICS Transaction Gateway), RDZ (Rational Developer for System z), IMS (Information Management System) transactions. … Continue reading

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