Almost 2 years ago, it was reported that over 10,000 MongoDB databases had been deleted by ransomware groups - and much of that was done in a week's time. Let that sink in for a minute - 10,000 databases in a week - it's mind boggling. Makes you think twice about your...
Introduction The z/OS Parallel Sysplex® technology provides a highly reliable, redundant, and robust environment by clustering together multiple z/OS systems with one or more coupling facilities to achieve near-continuous availability. However, simply running your...
Or: We need to talk about mainframe hacking There’s an elephant in the room says Mark Wilson. It’s mainframe-sized, at serious risk of being hacked, and its name is Z. “The only thing we have to fear is fear itself.” That was US president Franklin D. Roosevelt at his...
I love hearing about Blockchain; if you are involved in Fintech, then surely by now you have heard a lot about it, and that it holds a tremendous amount of promise for Internet business. Fundamentally, it guarantees the validity of a transaction. Blockchain is a...
Anyone who has been working on mainframes for any length of time knows that things are always changing. Many people can remember when DB2 was new (1983), the client-server period, and the need for Service-Oriented Architecture (SOA). And, I’m sure, can come up with a...
Information Technology (IT) is rather young in human history. If you compare this sector with industry, IT is just at the beginning of its development. To illustrate this infancy, let’s consider the evolution of IT jobs. With the multiplication of tasks and jobs left...
DB2 z/OS V12 is in the Early Support Program mode. This means the larger Independent Software Vendors (BMC, CA, Compuware, etc.) have a version of DB2 z/OS V12 in house so they can modify their products to support and/or exploit the new features of DB2 z/OS V12. This...
When asked what is the single most important or stressful aspect of their job, DBAs typically respond “assuring optimal performance.” Indeed, a Forrester Research survey of critical DBA concerns indicates that performance and troubleshooting tops the list of most...
I visited IDUG (International DB2 Users Group) in Austin, Texas, the week of May 23. We had a booth and had good traffic. Our presentations and party were well attended. It was “old home week” for me as many friends and previous colleagues dropped by to say hi. Many...
DB2 for z/OS applications continue to be a workhorse for large IT shops. Of course the DB2 applications have Service Level Agreements for availability and performance. These are largely based on requirements that drive customer satisfaction and transaction throughput....
