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Sharing a single NVMe device with NVMe Tiering? 

12.09.2024 by William Lam // 9 Comments

I am a huge fan of the new NVMe Tiering capability within vSphere 8.0 Update 3 and it has been fantastic to hear more users taking advantage of this new feature to see what it can do for their homelab/development setup but also for their various production workloads.

As of right now, enabling NVMe Tiering requires a dedicated NVMe device, which for a production system is probably acceptable as you will probably want to ensure there are no other workloads competing for IO on the NVMe device. However, for a development environment or homelab, this can be challenge due to number of available NVMe devices that can be used.

Thank you to fellow reader Andrea T, for sharing this awesome tidbit with the community and how you CAN actually share a single NVMe device with NVMe Tiering! 😍

[Read more...]

Categories // ESXi, Home Lab Tags // ESXi 8.0 Update 3, NVMe

Useful NVMe Tiering reporting using vSphere 8.0 Update 3 APIs

10.03.2024 by William Lam // 2 Comments

After successfully enabling the NVMe Tiering feature, which was introduced in vSphere 8.0 Update 3, you can find some useful details about your NVMe Tiering configuration by navigating to a specific ESXi host and under Configure->Hardware and under the Memory section as shown in the screenshot below.


There is quite a bit of information that we can see, so lets break down the individual items that are useful from an NVMe Tiering point of view and the specific vSphere APIs that can be used to retrieve this information.

[Read more...]

Categories // Automation, vSphere 8.0 Tags // ESXi 8.0 Update 3, NVMe, vSphere 8.0 Update 3

How much Virtual Machine memory is using NVMe Tiering?

09.23.2024 by William Lam // 4 Comments

I know many in the VMware Community have upgraded to vSphere 8.0 Update 3 to play with the exciting new NVMe Tiering feature, especially for testing various workloads including deploying VMware Cloud Foundation (VCF) for homelab or testing purposes.

A question that has come up a few times now is how do I check the amount of VM memory that has been offloaded to Tier 1 memory (NVMe Tiering) versus using Tier 0 memory (DRAM)?

[Read more...]

Categories // Automation, ESXi, vSphere 8.0 Tags // ESXi 8.0 Update 3, memstats, 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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