Case Studies
Selected examples of how Clarisolv supports enterprise modernization, mainframe resilience, and mission-critical operations across government and financial services environments.
Proven Operational Delivery in Complex Environments
Clarisolv supports organizations operating high-value, high-availability environments through specialized expertise in IBM Z modernization, disaster recovery strategy, and managed mainframe operations.
Enterprise Mainframe Platform Upgrade & Disaster Recovery Modernization
Customer Challenge
A large government organization operating mission-critical national services needed to modernize its IBM Z platform, upgrade aging infrastructure, reduce support risk, and implement a robust enterprise disaster recovery architecture with minimal disruption.
Clarisolv Solution
- Migration from IBM z14 to IBM z16 servers
- Upgrade from z/OS V2.2 to z/OS V3.1
- Subsystem upgrade and validation for CICS and IBM Db2
- Implementation of GDPS Global Mirror disaster recovery architecture
- Integration with enterprise storage replication infrastructure
- End-to-end planning, execution, testing, and business continuity management
Platform Modernization
Successfully upgraded the customer’s core IBM Z environment to a modern, supported platform.
Higher Resilience
Implemented enterprise-grade disaster recovery with stronger continuity readiness.
Future Readiness
Improved scalability and created a stronger base for future modernization initiatives.
Active-Active Disaster Recovery Architecture for a Major Banking Institution
Customer Challenge
One of the region’s largest financial institutions needed a next-generation active-active disaster recovery strategy for its mission-critical IBM z/OS platform, including architecture choices, infrastructure requirements, operational complexity, and cost analysis.
Clarisolv Solution
- Detailed architecture assessment and strategy engagement
- Evaluation of multi-site Parallel Sysplex architecture
- Evaluation of GDPS Continuous Availability approach
- Operational readiness and skills analysis
- Implementation complexity review
- Comprehensive cost comparison across alternatives
Strategic Roadmap
Delivered a clear roadmap for active-active resilience and zero-downtime direction.
Lower Technology Risk
Validated architecture options before major investment decisions were made.
Better Decision Support
Enabled data-driven investment planning across availability and recovery alternatives.
Managed Mainframe Operations for Government Mission-Critical Systems
Customer Challenge
A government organization operating critical national services required ongoing expert support and operational management for a complex IBM Z environment spanning multiple enterprise platforms and applications.
Clarisolv Solution
- Ongoing z/OS managed services and senior system programming support
- Daily platform monitoring and operational support
- SMP/E PTF and APAR installation and maintenance
- Software release upgrades and performance tuning
- Disaster recovery planning, execution, and validation
- Support for modernization through APIs, modern tooling, and integration capabilities
Stable Operations
Maintained secure and reliable operation of mission-critical government systems.
Proactive Maintenance
Enabled continuous updates, system readiness, and ongoing operational risk reduction.
Modernization Support
Improved development workflow through modern tooling integration and platform enablement.
Looking for a More Resilient Enterprise Operations Model?
Clarisolv supports organizations operating complex, high-value environments through specialized expertise in mainframe modernization, disaster recovery strategy, and managed operational support.
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