1、IBM TechXchange 2025 OrlandoFraming the Two WorkloadsBanco Atlntico Europa runs operations in two geographies:Namibia core banking Portugal core bankingthen larger rolloutPilot first,Autonomous pilot projectMain,complex,criticalIBM TechXchange 2025 OrlandoThe ChallengeHardware at end-of-support,stil
2、l on Power 71234Rising maintenance costs.Disaster recovery limited,with regulators requiring more.And the need for agility to support growth and compliance.This wasnt about buzzwordsIBM TechXchange 2025 OrlandoThe Decision Why PowerVS?Native IBM i&AIX support no rewritingHA/DR across geographiesElas
3、tic OPEX model scale on demandPowerVS Private=compliance for regulated industries01.02.03.04.Extend the Power platform into the cloud while maintaining trust,compliance,and continuity.IBM TechXchange 2025 OrlandoThe Migration Journey Namibia Core LPAR(Pilot)New LPAR on-prem with iASP Save/restore be
4、tween on-prem LPARs PowerHA replication to Cloud LPAROutcome:Validated concept,but downtime too high for PortugalPortugal Core LPARCloud LPARs with PowerHA Geomirroring cluster in placeQuickEDD replication from on-prem non-iASP Geomirroring ensured resilienceCutover in 5 hours downtime Cloud with iA
5、SPIBM TechXchange 2025 OrlandoIBM TechXchange 2025 OrlandoThe Migration Journey Portugal Core LPARTesting1.Parallel runs of workloads2.Included IBM i Web Services3.Validated performance+availability4.Users never noticed switchTesting confirmed that both performance and availability were consistent.I
6、BM TechXchange 2025 OrlandoBenefitsDramatic performance gains batch 56h 1hPredictable OPEX instead of CAPEX refresh cycles.True resilience&DR,with HA across regionsAgilitytest environments stood up in hours,not weeks.Compliance aligned with