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"Elevating VDI Performance: Primary Residential Mortgage Achieves Performance Resurgence and a 90% Reduction in Drive Failures with DymaxIO"

How a top U.S. mortgage lender restored VDI performance, eliminated excessive I/O, and reduced drive failures by 90% using intelligent Windows I/O optimization.

Primary Residential Mortgage, Inc. (PRMI) implemented VDI to improve data security and user access—but soon encountered performance bottlenecks despite a well-provisioned VMware environment. Excessive I/O traffic strained shared storage, degraded application responsiveness, and led to frequent drive failures.

Having already used DymaxIO® successfully on servers, PRMI extended the software to 400 VDI clients across 22 hosts. DymaxIO optimized I/O directly inside the Windows OS, preventing split I/Os and dramatically reducing unnecessary read and write operations sent to storage.

Within 30 days, DymaxIO eliminated over 1 billion I/Os from reaching backend storage. Performance stabilized, user productivity improved, and infrastructure strain dropped sharply. One unexpected benefit was a 90% reduction in drive failures—falling from multiple replacements per month to just four over two years.

By reducing reliance on storage and shifting more workload to memory, DymaxIO created a ripple effect across the shared VDI environment. This case study demonstrates how intelligent I/O optimization can restore performance, protect storage investments, and significantly improve operational reliability in large-scale virtual desktop deployments.

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