Articles

Customer contracts now require hardware-level isolation proof, not just RBAC. Private Nodes give each tenant dedicated worker nodes, own CNI/CSI, no shared kernel, no cross-tenant scheduling.

Raw GPU rental margins sit at 14, 16% and prices are falling. Selling managed Ray on your own racks is how AI cloud providers stop competing on price.

GPU clouds stall on tenant isolation, not GPU scheduling. vCluster's Private Nodes and Run:AI Certified Stack let you ship a self-service Run:AI platform in under 45 days, zero new hires.

One shared Slurm queue cannot be sold as a dedicated HPC cluster. Here is how to give each tenant their own slurmctld, dedicated GPUs, and isolated accounting at scale.

Hard-coded bare metal provisioning means a rebuild every time hardware or a driver changes. Here's how a stable, EC2-like machine layer settles that once.

One GPU pool, dozens of isolated tenant clusters. Slinky schedules. vCluster isolates. Each customer gets a private Slurm endpoint, no shared control plane.

Running bare metal K8s without a hypervisor or kubeadm is possible. vCluster Standalone, a CNCF-certified single binary, removes both hidden taxes at once.

Namespace isolation works until it doesn't. See how CoreWeave, Nscale, and Nebius isolate GPU tenants across four layers: Private Nodes, Netris CNI, virtual control planes, and vNode.

Idle GPUs are a missed revenue stream. Here's the four-layer blueprint for turning GPU hardware into a GPU as a Service business — from bare metal provisioning to paying customers — using the same stack that powers CoreWeave and Nscale.

Proxmox, Hyper-V, KVM, XCP-ng, Nutanix AHV, KubeVirt, and vCluster Platform ranked for GPU workloads. PCIe passthrough, SR-IOV, and vGPU are not the same, this comparison makes the difference clear.

Rancher vs vCluster Platform: an architectural breakdown for teams running multi-tenant GPU clusters where per-tenant isolation strength and cost are primary constraints.

5 K8s multi-cluster patterns for AI cloud providers: per-tenant virtual clusters, bare metal auto-provisioning, multi-region fleet governance, hybrid Slurm/K8s, and air-gapped compliance clusters.

AKS/EKS/GKE GPU Kubernetes means 6-7 min pod startups, NUMA misalignment, and runaway costs. Here's the bare metal GaaS architecture that fixes all three.

GPU cloud builders searching for Rafay Kubernetes alternatives need more than a governance wrapper. vCluster Platform delivers the complete builder's stack — bare metal provisioning, Private Nodes by default, and fleet management you control.

5 bare metal Kubernetes patterns compared alongside vCluster Standalone, evaluated on operational overhead, tenant isolation, and GPU performance, with a decision matrix by buyer profile.

Kamaji vs vCluster Platform compared on bare metal node attachment, GPU workload isolation, fleet management, CNCF certification, and Run:AI/Ray stack integrations.

For platform architects moving past proof-of-concept on DGX: why the component approach gives you control and demands your time, while the platform approach gives you velocity.

The Kubernetes control plane determines security, provisioning speed, and unit economics for GPU clouds. A guide to why standard approaches break at scale and how control plane virtualization solves it.

NVIDIA's DGX docs cover GPU setup. The gap between "Kubernetes is running" and "production-grade at AI cloud scale" is where providers burn months of engineering time. This guide covers every layer.

The standard build vs. buy framework falls apart for AI cloud providers. Here are the three actual paths — resell hyperscaler K8s, build from scratch, or build on a platform layer — and what each costs in time, money, and market position.

The NVIDIA Network Operator automates InfiniBand driver DaemonSets, SR-IOV config, and RDMA injection on Kubernetes, but leaves bare metal, OS lifecycle, and tenant isolation to you.

InfiniBand NDR hits 40-55 GB/s NCCL all-reduce bus bandwidth. RoCEv2, properly configured with PFC and ECN, reaches 35-50 GB/s. The gap is real but the variance story is what drives cluster decisions.

Bare metal GPU provisioning isn't just about getting servers online. This guide walks through the five hidden costs of manual infrastructure — configuration drift, lifecycle overhead, Kubernetes complexity, tenant isolation failures, and GPU underutilization — and what automation looks like at each layer.

GPU Kubernetes Day 2 operations determine whether your AI cloud scales or stalls. The three architectural decisions that matter: control plane isolation, bare metal provisioning speed, and GPU-aware observability.

Rafay isn't competing with vCluster — it's built on top of it. If CRDs, RBAC headaches, and admin gatekeeping are killing your team's velocity, here's the architecture breakdown you actually need.

Racked servers aren't a cloud. This guide covers all four layers: bare metal provisioning, Kubernetes distribution, tenant cluster isolation, and billing, showing where DIY complexity explodes at each step.

Tired of AI bill shock and 3am incidents? Learn the 5 infrastructure layers every AI factory needs — from bare metal GPU provisioning to Day 2 ops — before fragility kills your stack.

Tired of YAML explosions and namespace-scoped band-aids? This breakdown maps 7 Kubernetes schedulers — Volcano, Kueue, Run:ai, and more — directly to the Slurm guarantees you rely on.

Chose bare metal for raw GPU performance — then spent weeks wrestling kubeadm, etcd quorum errors, and MetalLB configs? The operational trap is architectural. Here's the escape route.

Tired of the Kamaji vs vCluster debate without a real answer? We break down the hard multi-tenancy vs soft multi-tenancy tradeoff, noisy neighbor risks, and which architecture actually survives GPU cloud scale.