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Is the KubeVirt Bridge the Final Exit Ramp for VMware Admins?
Pure Storage Portworx launches Kube Datastore to unify VMs and containers, dramatically cutting virtualization costs and simplifying hybrid cloud ops.
Key Highlights:
Pure Storage Portworx is addressing the post-acquisition market turbulence by offering a native pathway for running VMs on Kubernetes via KubeVirt.
The new Kube Datastore is architected to provide operational continuity, leveraging familiar VMware-like workflows for existing virtualization teams.
This feature directly challenges the rising costs of traditional virtualization licenses and aims to simplify hybrid cloud application deployment.
Portworx is designed to provide granular, enterprise-grade BCDR capabilities, including VM file-level restores and zero RPO synchronous DR for critical workloads.
Recent industry data indicates that the majority of enterprises plan to migrate a significant portion of their VM workloads to Kubernetes within two years.
The News
Pure Storage has formally launched capabilities through Portworx that enable running traditional virtual machines (VMs) directly on Kubernetes clusters via KubeVirt. This offering, anchored by the new Kube Datastore, targets enterprise CIOs seeking a clear modernization path away from the complexities and rising costs associated with legacy virtualization platforms. The technology is designed to unify container and VM management under a single platform engineering umbrella, preserving familiar workflows while enhancing data mobility and cyber resiliency. Portworx for KubeVirt is presented as a cost-efficient entry point for organizations planning urgent migration timelines. Find out more by clicking here to read the announcement blog.
Analyst Take
The enterprise storage market has rarely seen such an obvious strategic opportunity as the one created by the recent upheaval in the virtualization space. Pure Storage’s decision to heavily invest Portworx—its container data management division—into solving the VM problem is a masterstroke of market timing and competitive positioning. This announcement is not just about features; it is a calculated response to the economic and operational anxiety currently paralyzing enterprise IT leaders. We are looking at a fundamental tectonic shift where customers are actively seeking off-ramps from historically dominant platforms, and Pure Storage is now building the infrastructure for that escape.
For years, the container versus VM debate was settled with an amicable, if expensive, coexistence: containers often ran inside VMs. This dual-platform approach created siloed operational models, inflated costs, and hindered true platform engineering efforts. Now, the economic pressure of rising licensing costs is forcing the issue, turning containerization from a desirable technology benefit into a necessary financial mandate.
Recent market data supports this urgency. The "Voice of Kubernetes Experts Report 2024" indicates that a substantial 58% of enterprises intend to migrate existing VM workloads to Kubernetes using technologies like KubeVirt, driven primarily by the ability to reduce VM licensing costs. Furthermore, Bain & Company research highlights that CIOs anticipate cloud-native technology use to increase aggressively in the near term. This confluence of technological readiness and economic necessity gives Portworx an immediate, receptive audience.
The crucial design decision here is anchoring the solution to KubeVirt. This open-source project is becoming the de facto standard for running virtualization alongside containers natively within Kubernetes. By building upon KubeVirt, Pure Storage is architected to align with broader industry trends rather than creating a proprietary silo. This alignment is further solidified by the close collaboration with Red Hat, whose OpenShift Virtualization Engine is a major deployment target. My analysis suggests that the reported 30% to 50% cost savings for joint Red Hat and Portworx customers is the single greatest competitive weapon here. Money talks loudly.
What was Announced
The core technical innovation is the Kube Datastore, which is designed to provide a modern, highly available VM architecture optimized for cloud-native Kubernetes deployments. This feature is architected to address the operational gap faced by virtualization administrators.
Kube Datastore introduces intelligent storage abstraction. This unified, high-performance data layer across the Kubernetes cluster is designed to power core VM workflows. These workflows include provisioning, sophisticated live migrations—analogous to vMotion—snapshots, and rapid recovery, all delivered with cloud-scale efficiency and agility. The system is designed to retain trusted operational continuity by supporting existing automation and runbooks for features like Advanced Storage Migration and Enhanced Storage Rebalancing, effectively translating familiar Storage vMotion and Storage DRS concepts into a Kubernetes context.
For enterprises leveraging Pure Storage FlashArray, a key differentiation is the Rapid VM Migration capability. This functionality is engineered to bypass the traditional network-intensive process of copying data over the network via VDDK. Instead, the solution uses array-native XCOPY functionality, which aims to move VM data internally within the FlashArray. This radically cuts migration time and reduces the burden on host CPU, memory, and network resources.
The cyber resiliency features are equally important. PX-Backup now includes VM file-level backup and restores, providing granular recovery options tailored to specific end-user needs and service level agreements. For business continuity and disaster recovery (BCDR), Portworx aims to deliver a flexible, consistent operating model. This includes support for metro disaster recovery using FlashArray ActiveCluster, which is architected to achieve zero Recovery Point Objective (RPO) for the most critical VM workloads running on Kubernetes. These capabilities collectively offer the data protection maturity that CIOs require before they commit mission-critical applications to a new platform. The ability to run VMs and containers side-by-side using the same software-defined data management platform is the true value proposition.
This architecture aims to deliver tangible business benefits by mitigating both capital expenditure and operating expenditure associated with sprawling, disparate platforms. The combination of efficient data migration and standardized operational procedures should reduce overprovisioning and accelerate the enterprise modernization timeline, a truly useful development.
Looking Ahead
The introduction of Kube Datastore marks the formal opening of a new competitive theater between the traditional storage and virtualization vendors and the emerging cloud-native ecosystem. Pure Storage has done well to position itself as a strategic partner to enterprises feeling the intense financial squeeze from the virtualization market consolidation. The key trend that I am going to be looking out for is adoption velocity outside of the existing Red Hat ecosystem. While the Red Hat partnership provides an immediate, solid base of large enterprise customers, the litmus test for Portworx will be its ability to penetrate generic KubeVirt and other Kubernetes distributions. The technical differentiation—specifically the FlashArray-integrated Rapid VM Migration—is genuinely useful. That’s a powerful selling point. SUSE Rancher anyone?
The announcement represents a strategic flanking maneuver. VMware, via Tanzu, and more broadly VCF 9.0, attempts to bring Kubernetes into the VM fold using vSphere as the hypervisor foundation. Portworx, conversely, is attempting to move the VM into the Kubernetes domain, fundamentally changing the underlying hypervisor platform. This subtle difference is critical. It signals that Kubernetes is now secure enough and mature enough to serve as the underlying operating system for everything, not just cloud-native applications. My perspective is that this move accelerates the convergence of the entire hybrid cloud stack. Going forward, I am going to be closely monitoring how the company performs on securing large-scale, lift-and-shift VM migrations from Fortune 500 customers over the next four quarters, especially against established rivals like Dell Technologies and HPE, which are also scrambling to redefine their application modernization strategies. HyperFRAME will be tracking how the company does at converting the compelling TCO story into actual deployment numbers. The cost motivation is there; now comes the hard work of execution.
Steven Dickens | CEO HyperFRAME Research
Regarded as a luminary at the intersection of technology and business transformation, Steven Dickens is the CEO and Principal Analyst at HyperFRAME Research.
Ranked consistently among the Top 10 Analysts by AR Insights and a contributor to Forbes, Steven's expert perspectives are sought after by tier one media outlets such as The Wall Street Journal and CNBC, and he is a regular on TV networks including the Schwab Network and Bloomberg.