Posts

Showing posts from September, 2026

LPARs Don’t Just Divide a Mainframe; They Create Controlled Environments

Image
 Logical Partitioning (LPAR) lets a single physical mainframe be split into multiple logical environments, each designed to support specific workloads and operational requirements. Instead of treating the mainframe as one shared environment, organisations can use separate LPARs for production, testing, development, disaster recovery, or other specialised workloads. Each partition can have its own operating environment, workload characteristics, and allocated resources, helping maintain separation between critical applications and non-production activities. This lets production workloads run independently while development and testing teams work in dedicated environments without directly interfering with live operations. With effective resource allocation, workload isolation, and environment separation, LPARs provide greater control over how mainframe capacity is utilised. They also give IT teams more flexibility when managing changing workload requirements, supporting application...

Mainframe cost optimization ≠ simply cutting MIPS.

Image
Reducing MIPS can be one part of a cost-optimization strategy, but sustainable savings come from understanding how workloads run, where capacity is being consumed, and which operational processes can be improved. This 60-Second Mainframe Insight highlights 5 key levers that can make a measurable difference: 01. Workload Optimization Tune applications, batch processes, and workloads to eliminate unnecessary processing and improve overall execution efficiency. 02. Capacity Management Align mainframe capacity with actual workload demand rather than planning around peak assumptions. Better capacity planning can help avoid paying for resources that aren't consistently required. 03. CPU Efficiency Improve execution efficiency and reduce wasted processing cycles by identifying opportunities to optimize CPU-intensive workloads and processes. 04. Automation Automate repetitive operational tasks to reduce manual effort, improve consistency, and allow teams to focus on higher-value activ...