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DFI GHF51 - Worlds smallest AMD Ryzen SBC

04.19.2022 by William Lam // Leave a Comment

Awhile back I came to learn about an interesting AMD single board computer (SBC) from a company called DFI, which specializes in building embedded solutions and industrial motherboards. There are a number of vendors in this space, including OnLogic, Rugged Computers, ASRock Industrial to name a few and Bivrost which I had recently came to learn about. The Industrial vertical is actually a really interesting segment of the market that includes manufacturing, oil, gas and utilities and is often associated with the Internet of Things (IoT), also referred to as the Industrial IoT (IIoT) market.

The demands and requirements of the Industrial IoT market is wildly different from your typical Enterprise datacenter, especially when you think about some of the harsh environments that hardware must run whether that is a manufacturing facility to a remote oil rig. It is not uncommon that the hardware used must be able to withstand extreme temperature changes with greater levels of reliability but also longer duration of support and product availability for up to 10 years!


With all that said, I was pretty intrigued with their latest offering called the GHF51, which comes in at an ultra tiny 1.8" inches and is dubbed the worlds smallest board with an AMD Ryzen CPU. You can see how tiny the SBC is compared to a lego mini-figure pictured above.

[Read more...]

Categories // ESXi Tags // AMD, DFI, ESXi, IoT

How to retrieve the default VM hardware configuration for a specific Guest OS in vSphere?

03.28.2022 by William Lam // Leave a Comment

Have you ever wondered how or where the vSphere UI generates the default Virtual Machine hardware configuration after selecting a specific Guest OS during the VM creation wizard?


The answer is simply by asking the vSphere platform 🙂 and of course this is provided as an API for any client to consume including our own vSphere UI.

This is a topic I had written about back in 2013 here and here, which demonstrates how to use the EnvironmentBrowser API to query for the list of supported Guest OS and Virtual Hardware Compatibility. In addition to this information, we can also ask the vSphere platform on what are the default hardware configuration for all supported Guest OS using the QueryConfigOption API.

[Read more...]

Categories // ESXi, vSphere Tags // guest os

New VMware Community HCL

03.07.2022 by William Lam // 12 Comments

If you are not using or can not use the official VMware Hardware Compatibility List (HCL) to identify hardware systems and components that are officially supported with a given version of vSphere ESXi, then the experience in finding hardware can be quite daunting for both new and even existing users. Typically, users might start off by searching online or posting in the VMTN Community Forums and although I have attempted to help in this space with my VMware Community Homelab project, which attempts to crowd source working configuration and build-of-materials (BOM) that can assist, it certainly is a big challenge.

Even if you are successful in the initial assessment, there are no guarantees that your hardware configuration will be compatible with future vSphere ESXi releases and the investigative process will likely have to start all over again or simply with trial and error, which can also be frustrating for new users. I have always wanted and I know many of you in the community have also expressed similiar options in having a VMware Community HCL that can be used and maintain by the community.

Today, I am excited to share that we now have a platform that can enable an "unofficial" VMware Community HCL!

[Read more...]

Categories // ESXi, Home Lab Tags // hcl, homelab

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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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