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Azure Local Embraces Disaggregated Infrastructure, Reopening the Door for Enterprise SAN Platforms
A growing partner ecosystem validates the shift, with Hitachi Vantara among the first to confirm enterprise SAN readiness for Azure-governed deployments
05/05/2026
Key Highlights
- Azure Local adds support for disaggregated deployments with external SAN storage, now generally available
- The update separates compute and storage while maintaining a unified Azure control plane
- Seven validated partners have announced integrations, each with distinct architectural positioning
- Hitachi Vantara validates VSP and VSP One Block for Azure Local deployments
- The integration brings enterprise SAN reliability and unified storage architecture into Azure-governed environments
The News
Microsoft released version 2604 of Azure Local, bringing disaggregated deployment support to general availability and extending the platform beyond hyperconverged designs by enabling independent scaling of compute and storage under a unified control plane. As part of this ecosystem expansion, Hitachi Vantara announced validation of its VSP and VSP One Block arrays for Azure Local deployments. The integration brings enterprise SAN capabilities into Azure-managed environments, supporting production workloads that require deterministic performance, mature data services, and established resiliency. For more information, read the official Microsoft blog and Azure Arc blog.
Analyst Take
The introduction of disaggregated deployment support marks a structural transition in how Azure Local functions. Compute and storage, previously deployed as integrated units, now scale independently under a shared management plane. Configurations that once arrived predefined now require explicit design decisions around how compute and storage interact under load: performance tuning, failure domain boundaries, lifecycle coordination.
This transition reflects a longer arc of evolution. Azure Local originated as an extension of Azure Stack, designed to bring Azure services into customer-controlled deployments for organizations with latency, regulatory, or connectivity constraints. Early iterations emphasized hyperconverged designs that simplified deployment and aligned with Azure-native execution.
The platform has since moved well past that starting point; it now functions as an orchestration layer coordinating heterogeneous resources across edge, core, and cloud environments. The 2604 release extends that reach further, with Microsoft announcing support for sovereign private cloud deployments at thousands of nodes within a single environment; a scale threshold that reframes Azure Local as enterprise datacenter infrastructure, not edge appliance.
That expanded role carries a dependency on the control plane that changes how infrastructure decisions are made. In organizations that lack the engineering maturity to manage distributed infrastructure at scale, that boundary change introduces friction the platform itself does not resolve.
The partner set that has formed around this release maps directly to the range of workload requirements Azure Local now addresses. Dell integrates PowerStore with its Private Cloud stack, targeting buyers who want a single-vendor, full-stack solution with automated lifecycle management and one support relationship. Everpure positions FlashArray around performance and hybrid cloud portability, with data services that reach into Azure-native storage. HPE pairs Alletra Storage MP B10000 with a GreenLake consumption model for organizations that want disaggregated architecture without capital commitment. NetApp covers the broadest portfolio range across AFF, ASA, and FAS, with ONTAP's data management depth as the differentiator for complex hybrid and multi-protocol environments. Lenovo targets sovereign and regulated deployments explicitly through its ThinkAgile disaggregated stack.
In our opinion, Hitachi Vantara occupies a distinct position. VSP and VSP One Block are built for workloads where predictable performance, resiliency depth, and governance consistency matter more than elasticity or consumption flexibility. Among the validated partners, Hitachi Vantara and NetApp are most directly aligned with regulated-industry and mission-critical production patterns, but they arrive from different directions. NetApp leads with data management breadth and multi-protocol reach; Hitachi Vantara leads with SAN reliability and a unified storage architecture spanning block, file, and object under a common design. That can deliver targeted value in deployments where storage behavior must remain consistent and governable across varied workload conditions.
The validation also surfaces a longer-term question that applies to every partner in this ecosystem. As Azure Local absorbs more infrastructure decisions through its control plane, retaining distinct value will require more than a validated integration. It will require demonstrated performance under sustained load, resiliency during failure conditions, and behavior that holds across varied deployment models. Partners whose differentiation rests on control plane proximity or packaging face the greater exposure. Those with deep data services and workload-specific capabilities have a stronger position.
What Was Announced
Microsoft expanded Azure Local to support disaggregated deployment models incorporating external SAN storage alongside compute resources. Version 2604 brings this capability to general availability, enabling independent scaling of storage and compute while maintaining a unified control plane. Azure Local continues to integrate with Azure services for lifecycle management, governance, and monitoring across distributed deployments, with Storage Spaces Direct volumes and external SAN volumes supported within the same deployment. External SAN support is currently limited to Fibre Channel connectivity across virtual machines, Kubernetes environments, and Azure Virtual Desktop workloads, with iSCSI and additional protocol support indicated for future releases.
Hitachi Vantara announced validation of its Virtual Storage Platform portfolio, including VSP and VSP One Block, for Azure Local deployments. These arrays are engineered for high performance, availability, and data resilience, with capabilities spanning replication, snapshotting, and data protection. They align with transactional workloads, large-scale databases, and inference pipelines that require stable performance under sustained load.
VSP One extends these capabilities through a unified architecture spanning block, file, and object storage under a common design, functioning as a dedicated data layer within Azure Local while retaining native data services. This positions VSP One as a storage foundation that accommodates a range of workload types within a single validated array.
Looking Ahead
Azure Local is moving toward a design where infrastructure is defined by how workloads execute. As disaggregated deployments become more common, compute and storage will be selected and scaled based on workload requirements, particularly for inference, real-time analytics, and data-intensive applications.
Data placement becomes an active design decision shaped by multiple constraints: performance requirements, regulatory boundaries, cost efficiency, replication across locations, and latency management between edge, core, and cloud tiers. Persistent data layers will run alongside compute as coordinated but independent components, requiring tighter alignment with control plane services as deployments expand. Sovereign private clouds, now supported at thousands of nodes within a single environment, represent the outer boundary of this design. This is the context in which storage behavior, data residency, and governance consistency carry the greatest consequence.
In our view, the seven validated partners function as distinct blades in Azure Local's disaggregated architecture: full-stack simplicity, hybrid cloud portability, consumption flexibility, data management breadth, and sovereign deployment support. The strength of the model depends on how effectively each partner sustains that positioning as deployments mature and execution complexity increases.
Hitachi Vantara's position within that ecosystem rests on a combination that few partners can match at the same depth: deterministic performance, resiliency guarantees, and a unified block, file, and object architecture. For organizations in regulated industries or large-scale production where storage behavior must remain consistent, auditable, and available under any condition, that combination is the differentiator. Validated SAN reliability within an Azure-governed control plane is a specific capability for a specific class of buyer, and Hitachi Vantara has positioned itself to own that lane.
We will be watching how Azure Local deployments evolve beyond validation into production use cases, particularly in deployments that require control over performance and data behavior. Early deployments will concentrate where performance or regulatory requirements are clearest. Broader adoption will depend on how effectively vendors reduce the overhead of managing distributed infrastructure at scale.
Don Gentile | Analyst-in-Residence -- Storage & Data Resiliency
Don Gentile brings three decades of experience turning complex enterprise technologies into clear, differentiated narratives that drive competitive relevance and market leadership. He has helped shape iconic infrastructure platforms including IBM z16 and z17 mainframes, HPE ProLiant servers, and HPE GreenLake — guiding strategies that connect technology innovation with customer needs and fast-moving market dynamics.
His current focus spans flash storage, storage area networking, hyperconverged infrastructure (HCI), software-defined storage (SDS), hybrid cloud storage, Ceph/open source, cyber resiliency, and emerging models for integrating AI workloads across storage and compute. By applying deep knowledge of infrastructure technologies with proven skills in positioning, content strategy, and thought leadership, Don helps vendors sharpen their story, differentiate their offerings, and achieve stronger competitive standing across business, media, and technical audiences.