A Hyperconverged Alternative Without the HCI Limits
HCI promised one box and one bill. VergeOS delivers one operating system across the servers you already own.
Summary
IT planners bought hyperconverged infrastructure to lower cost and complexity. Many found the same three tiers packed inside each node, fixed scaling blocks, node minimums and renewal prices that climb with every expansion. VergeOS, the Private Cloud OS from VergeIO, runs virtualization, storage, networking and data protection as one operating system on the x86 servers organizations already own. Topgolf, Alinsco Insurance, Formica, Lancaster Central School District and CCSI show the results: smaller clusters, in-place conversions, longer hardware life and lower cost.
The convergence HCI promised, without the box it came in.
HCI Solved Part of the Problem
Hyperconverged infrastructure arrived with a clear promise. Put compute and storage in the same server, manage them together and retire the dedicated SAN. Products such as Nutanix and VMware vSAN made that model mainstream, and appliance offerings like Dell VxRail packaged it as a turnkey system.
The promise held up only partway. HCI removed the external array, but it kept the separate layers that drive cost and complexity. It also introduced new constraints: minimum cluster sizes, expansion in fixed blocks and licensing that grows with every node. For a midsize enterprise or a distributed organization with dozens of sites, those constraints decide the budget.
VergeOS takes a different approach. It is a single operating system for the entire infrastructure. It installs on bare metal, runs on servers the organization already owns and mixes vendors and CPU generations in the same instance.
Five Limits That Disqualify HCI
When IT teams evaluate HCI against their real requirements, the same shortcomings appear again and again:
- Not truly converged. The hypervisor, the storage software and the network layer remain separate products, often with a storage VM on every node. The three-tier architecture moves inside the box.
- No home for existing storage. Most HCI designs expect only their own internal drives, so working storage arrays go to waste.
- Hard to size. Node minimums make small sites and remote offices expensive, and very large deployments run into management limits.
- Resources scale together. Adding capacity means buying compute and licenses too, and adding compute means buying capacity.
- Expensive to buy and upgrade. Appliance pricing, per-core licensing and support renewals compound with every expansion.
Topgolf saw the cost side in stark terms. Licensing changes put the projected cost of its VxRail software stack on track to rise 400 percent, which turned a routine renewal into a platform decision. Lancaster Central School District saw the technical side. Under vSAN, frequent snapshots degraded performance so badly that the team limited their use.
One Operating System, Not Three Products
VergeOS replaces the hypervisor, storage and network layers with one cohesive operating system. VergeHV runs virtual machines. VergeFS provides storage with inline global deduplication. VergeFabric handles networking. ioClone, ioReplicate and ioGuardian deliver snapshots, replication and inline recovery. Virtual Data Centers give each tenant, department or region an isolated environment with its own compute, storage and network.
All of it runs from one interface and one code base, with an API that exposes the whole platform to automation. Lancaster found the difference during its evaluation. Other candidates ran storage as a separate virtual machine. VergeFS runs as a native service of VergeOS, which removed the need for a bolt-on storage product.
“We needed a solution that wasn’t just a replacement for VMware but an improvement. VergeIO delivered exactly that.”
Eric Miller, Manager of Information Services, Lancaster Central School District
The Right Size for Every Site
HCI node minimums punish small sites. Topgolf’s VxRail design held each venue to a five-node minimum, and its venue clusters ran six nodes with 35TB of capacity. On VergeOS, the same venues run three-node clusters on commodity Dell PowerEdge servers, which cuts hardware and power requirements at each site with no loss of performance.
The same platform scales down and up. Formica runs two-node data centre clusters across 13 sites. Alinsco started with a two-node cluster in Campeche, Mexico. At the other end of the range, Topgolf replaced 650 VxRail hosts with roughly 400 Dell PowerEdge servers across more than 100 venues, offices, labs and data centers, all on one architecture.
“VergeOS is smart enough to run efficiently on three, and that means real savings.”
Scott Forehand, Manager of Global Infrastructure, Topgolf
Read the full Topgolf story and the Formica story.
No Reference Hardware Required
HCI appliances tie the software to approved hardware, so a platform change usually means a hardware purchase. VergeOS does not require reference hardware. It installs on existing x86 servers, including the HCI nodes an organization already owns.
Alinsco Insurance proved the point on its production VxRail cluster in Fort Worth. The team moved its VMs into a temporary two-node VergeOS environment built from older equipment, using the migration tools built into VergeOS. It then removed the five VxRail nodes one at a time, installed VergeOS on each and rejoined it to a growing VergeOS cluster. The work ran during normal business hours with no maintenance window.
“All that was done during the day, with no maintenance window. No one even knew that it happened.”
Bryan Dore, Director of IT, Alinsco Insurance
The same hardware now runs faster. Alinsco keeps its existing nodes in service under a third-party maintenance contract.
“That’s a huge benefit to us, being able to keep running on this older gear, which quite frankly runs faster with VergeOS than it did with VMware. Why do we need to upgrade?”
Darrin Kirby, CIO, Alinsco Insurance
Formica took the same approach after reviewing its VMware and StarWind vSAN environment. Hardware freedom was one of the two reasons VergeOS won, and Formica reports hardware life extended to 15 years.
“It could run it on a toaster if it had an internet connection. That flexibility kept serviceable hardware in production rather than on the scrap pile.”
Matt Collier, Technology Architect, Formica
Read the full Alinsco Insurance story.
Add Only What the Workload Needs
In a typical HCI cluster, every expansion node brings compute, storage and a set of licenses whether the workload needs all three or not. Capacity-hungry environments overbuy CPU. Compute-hungry environments overbuy drives.
VergeOS pools resources across all nodes and lets each one contribute what it has. Teams add drives for capacity, add memory and CPU for density, or add GPU nodes for AI, each on its own schedule. Older servers and different vendors join the same instance, and existing storage arrays can be put back to work in place of sitting idle. Licensing is per server, so adding a dense node does not trigger a core count.
Topgolf already put this to use. Two VergeOS nodes with NVIDIA L40 GPUs stand ready for VergeIQ, the AI framework built into VergeOS, alongside the venue and data center clusters.
Storage That Belongs to the Operating System
VergeFS is part of VergeOS, not a module added to a hypervisor. It deduplicates globally and inline at write time, which reduces disk consumption, RAM cache pressure and network traffic. ioClone snapshots are independent and immutable, so frequent snapshots add no performance penalty and leave no chain to corrupt.
Lancaster replaced both ESXi and vSAN with VergeOS. Snapshots became instantaneous with no performance impact, and the team now uses them as its primary recovery method. Deduplication also improved.
“We can take snapshots of VMs without worrying about performance hits. That alone is a huge win.”
Tim Johnson, Senior Systems Administrator, Lancaster Central School District
CCSI, a compliance-focused cloud provider, removed its vSAN modules and external RAID storage when it moved to VergeOS. The built-in storage layer cut the cost of SAN hardware and RAID controllers and let CCSI fit more desktops on each server. Read the Lancaster story and the CCSI story.
Breaking the HCI Cost Curve
HCI costs rise in three directions at once: appliance hardware, per-core or per-node software, and support. VergeOS changes each one. It runs on commodity or existing servers, licenses per server with no core counting and includes every feature, from storage and networking to replication and inline recovery.
Topgolf’s results show the scale of the change. Moving to Dell PowerEdge reduced comparative hardware spend by 87 percent, and software costs fell 77 percent. Lancaster Central School District saves about $150,000 a year, mainly from retired licensing.
| HCI limit | Typical HCI | With VergeOS |
|---|---|---|
| Architecture | Hypervisor, storage VM and network layer per node | One operating system for every service |
| Existing storage | Internal drives only | Existing arrays can be put back to work |
| Site size | Node minimums, often five or more | Two-node sites up to hundreds of servers |
| Expansion | Compute, storage and licenses together | Add compute, storage or GPU on its own |
| Hardware | Approved appliances | Existing or commodity x86, mixed vendors |
| Licensing | Per core or per node bundles | Per server, every feature included |
A Proven Path Off HCI
Leaving HCI does not require a forklift. VergeOS includes migration tooling, and customers have shown repeatable patterns. Alinsco converted its production nodes in place. Topgolf proved its design with a multi-month proof of concept, standardized on one three-node template and completed a full VxRail-to-VergeOS migration at a site in a single day before rolling the process across the country.
For organizations whose HCI decision is tied to a VMware renewal, the VMware alternative page covers the full exit plan, and ioMigrate covers moving VMs at scale.
Convergence Without the Box
HCI took the first step by moving storage into the server. VergeOS finishes the job by moving every infrastructure service into one operating system. The result is smaller clusters where sites are small, one architecture where fleets are large, longer life for hardware already paid for and licensing that does not punish growth.
Topgolf, Alinsco Insurance, Formica, Lancaster Central School District and CCSI each made the move for their own reasons. All five now run on one platform that scales from two nodes to hundreds, and that stands ready for private AI with VergeIQ.
Plan Your Move Past HCI
Talk with a VergeIO engineer about your current HCI environment, your node counts and your renewal date. We will map which servers can run VergeOS today and what a conversion would look like.