WilliamLam.com

My VCF 9 Lab Network Diagram

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During VMware Explore, I had a request from an attendee who was interested in my physical networking and how it is all connected for my VMware Cloud Foundation (VCF) 9.0 Lab setup. The network diagram below is based on the following VCF 9.0 Hardware BOM (Build-of-Material) and using the following network configuration with additional commentary on each connection in the write-up below.


Note: All green lines in the diagram above represent 10GbE network connectivity and all blue lines in the diagram above represent 2.5GbE network connectivity.

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Quick Tip - When using self-signed TLS Certificates with VCF Private AI Services (PAIS)

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Like many of our users, I was excited to hear that VMware Private AI Services (PAIS) will now be included as part of VMware Cloud Foundation (VCF), I already had some ideas brewing in my head and I definitely needed to get some hands on!

While setting up some of the requirements for PAIS, I ran into a couple of issues that revolved around the use of self-signed TLS certificates, which is probably common for many of  you, especially in a lab/proof of concept environment.

I spent good chunk of the day debugging the issues, which was not even the worse part, but it was the error messages that we saw. The error messages was not from the product code, but rather the underlying libraries that it relies upon and if you try to interpret the message as-is, you could go down a rabbit hole.

PAIS Engineering is already aware of the issues I ran into, so these will be enhanced in future updates but I did want to share the scenarios in case you run into them while deploying PAIS in your environment.

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Enhancement in VCF 5.2.2 to bypass vSAN ESA HCL Check

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When vSAN Express Storage Architecture (ESA) is selected as the primary storage for deploying VMware Cloud Foundation (VCF) 5.x, the Cloud Builder Appliance will validate the system against the vSAN ESA HCL and will block the deployment if the hardware components are non-compliant.


For a production deployment, this should be the default experience but for non-production or proof-of-concept (POC), this can be annoying if you wish to accept the risk and proceed with using non-certified vSAN ESA hardware.

Today, the most viable workaround is to install the vSAN ESA Hardware Mock VIB , which will allow users to proceed with the deployment but it does require the additional installation step for each ESXi host.

Having spoken with VCF Engineering about this topic awhile back, they have introduced a nice enhancement with the latest release of VCF 5.2.2 that will allow users to easily bypass the vSAN ESA HCL check without requiring additional ESXi configurations changes.

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