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SSD with multiple NVMe namespaces for VMware Homelab

03.14.2023 by William Lam // Leave a Comment

If space is a constraint for your VMware Homelab, you may want to consider using SSDs that can support multiple NVMe Namespaces. I first came to learn about NVMe namespaces and its benefits back in 2019 when it was first demonstrated by Micron and using it vSAN, which was also the primary use case I had in mind.

While interesting, I eventually concluded that support for multiple NVMe namespaces was only available in higher-end Enterprise SSDs, which is typically outside of the affordability range for most homelab environments. Another challenge that I found with SSDs that supported multiple NVMe namespaces, is that the interface uses a U.2 connector versus the popular M.2, which is what you would typically find in a homelab setup. This also limited the applicability of these SSDs as you would need a motherboard with a U.2 interface.

I recently had revisited the topic of NVMe namepaces as I came across the PM9A3 from Samsung, which not only supported multiple NVMe namespaces, but it was also reasonable priced ($143 for 960GB at the time of purchase). My ultimate goal was to see if I could use the 2.5" SSD in a small form factor system that only has an M.2 slot and slice up the NVMe namespace for ESXi installation + ESX-OSDATA, vSAN and even additional VMFS volumes.

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Categories // Home Lab Tags // homelab, namespaces, NVMe

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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