RACKTRAIL
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Five places new GPU clouds struggle, and what to do about each
Utilization, failing GPUs, tenant isolation, metering and enterprise trust: where new GPU clouds struggle, with public data and what to fix first.
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The Open Control Plane for Accelerated Computing: Running GPUs, FPGAs and DPUs on OpenStack
How CERN, Jetstream2 and Cambridge’s Dawn run GPUs on OpenStack: passthrough, vGPU, MIG and bare metal compared, with a reference architecture and pitfalls.
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Leaving VMware: what to settle before you choose where to go
Six things to settle before choosing a VMware replacement, from your renewal date to who will run it. Each one cuts the shortlist before you evaluate anything.
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Seven ways an “open source” cloud still locks you in
The licence was never what trapped anyone. Seven ways a provider running entirely open source can still lock you in, and how to test for each.
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Proxmox vs OpenStack vs VMware in 2026
All three platforms moved since 2021. What’s true about Proxmox, OpenStack and VMware in 2026, from a team that runs and migrates between them.
Tell us what needs to run.
Send us the workload, the constraints, and the region it has to live in. An engineer — not a sales rep — will tell you honestly whether we're the right fit.