• May 26, 2020

Mainframe

Mainframe

Db2 Cloning Tool: Enhanced App Cloning Index Processing (PI99726)

If you perform Application (Tablespace) Cloning with the Cloning Tool, chances are that you will experience a free performance boost after applying APAR PI99726 (PTF UI57180). It is likely that indexes are included in your cloning LISTDEF definition or via the COPY parameter, ALWAYS-COPY-INDEXSPACES. With this enhancement, the Cloning Tool Source job will be able […]

Mainframe

Db2 Cloning Tool: What is Skeleton Cloning?

Unless you’ve seen a presentation on the Cloning Tool, you may not be aware of support for something called Skeleton Cloning. The only references to “skeleton” in the user guide are in the context of ISPF, and there’s no mention of it in the panels or profiles.  Skeleton Cloning is a subset of Subsystem Cloning, […]

Mainframe

Db2 Cloning Tool Version Mismatch Processing

Db2 Online/Pending alters are a great thing for Db2 schema evolution. This does, however, create an interesting challenge for application cloning operations. This results in rows being versioned within the pageset, and can cause compatibility checking issues between the source and target system. In a nutshell: CREATE TABLE T1 (COL1 INT) + ALTER TABLE T1 […]

Mainframe

Rocket BlueZone 8.1.0 is now available! See what’s new.

Our customers want to provide their employees, and ultimately their own customers and partners, the best experiences they can. In order to do that, they need to be able to quickly and efficiently manage and administer their Rocket BlueZone® deployments. For the customers of Rocket BlueZone Terminal Emulation, connecting their users to host systems is […]

Mainframe

One String to Rule Them All

String literals are quite a common feature in most code—from error messages, to exception text, to trace data, to prompts and informational text—it’s rare to find a significant span of code that doesn’t contain string literals. JavaScript is, of course, no exception and historically a JavaScript coder had two options for string literals: putting them […]

Mainframe

Using the CICS internal trace to profile and resolve application problems

IBM® CICS® Transaction Server for z/OS® continues to be mission critical for the global economy, processing billions of transactions per day to drive our world’s commerce and financial maze. Organizations are continually extending and evolving their CICS applications to meet the demands of a modern and competitive business. New development in Java, either distributed or […]

Mainframe

Modern Assembler Programming for z/OS

When I started at Rocket in 2003, I was migrating from a 20-year career as an MVS Systems Programmer who dabbled in writing assembler tools to a fully-fledged software engineer. At the time, the style of assembler that I used and the tools at my disposal were based on what had been in existence for […]

Mainframe

Now available: open-source drivers for IBM Db2 Connect

The marriage of mainframe applications and open source software continues to deliver innovative solutions for Enterprise customers. Companies are always looking for ways to take advantage of the unmatched reliability of these systems as well as continue to leverage their legacy investments. Many global banking and financial services organizations as well as major airlines and […]

maineframe Mainframe

Five things from yesteryear that have still “got it”

Nostalgia, or “a sentimental longing or wistful affection for a period in the past,” is a common occurrence in adulthood and has never been as visible as it is today. Think about hipster-culture—bringing back old game consoles like the Nintendo 64, and shunning Spotify in favor of vinyl (it just sounds better). While initially, users […]

Mainframe

IBM Z and Hybrid Cloud: The Best of Both Worlds

It’s impossible to say what the biggest change in computing has been over the last decade, but certainly one of the most significant shifts has been the adoption of the cloud. For the first time, organizations have freedom of choice to deploy applications and data virtually anywhere in the world, giving them unprecedented flexibility in […]