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"Azure HBv3 VMs and Excelero NVMesh Performance Results"

Azure offers Virtual Machines (VMs) with local NVMe drives that deliver a tremendous amount of performance.

These local NVMe drives are ephemeral, so if the VM fails or is deallocated, the data on the drives will no longer be available. Excelero NVMesh provides a means of protecting and sharing data on these drives, making their performance readily available, without risking data longevity. This blog provides in-depth technical information about the performance and scalability of volumes generated on Azure HBv3 VMs with this software-defined-storage layer.

The main conclusion is that the Excelero NVMesh transforms available Azure compute resources into a storage layer on par with typical on-premises HPC cluster storage. With testing as wide as 24 nodes and 2,880 cores, latencies, bandwidth and IO/s levels scale well. Note that 24 nodes is not a limit for scalability as an Azure virtual machine scale set can accommodate up to 1000 VMs (300 if using InfiniBand) in a single tenant. This enables running HPC and AI workloads at any scale, in addition to workloads such as data analytics, with the most demanding IO patterns in an efficient manner without data loss risk.

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