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Customizing SMBIOS strings (hardware manufacturer and vendor) for Nested ESXi 

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Nested ESXi continues to be an invaluable resource that I use on almost a daily basis from solution prototyping, customer reproduction to automated lab deployments supporting both VMware Cloud Foundation (VCF) and VMware vSphere Foundation (VVF), the use cases are simply endless!

While you can do almost anything with Nested ESXi, mimicking or simulating specific hardware strings such as the manufacturer or vendor is not really possible or at least very easily. I was recently reminded of this topic again as this has been something I wanted to look into but just not had the time. In fact, some of this was inspired by a conversation I had with fellow colleague Luke Huckaba who found a clever trick playing with the default Virtual Machine boot ROMs which are shipped with both ESXi and our VMware Desktop Hypervisors (Workstation/Fusion).

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Creating an offline VMware Cloud Foundation (VCF) Depot for multiple VCF environments

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By default, SDDC Manager uses the online VMware Depot for downloading all software updates (security, patch, upgrade) for life-cycling a single VMware Cloud Foundation (VCF) instance. SDDC Manager can also support air-gapped or disconnected environments by leveraging the VCF Offline Bundle Transfer Utility (OBTU), which my colleague Eric Gray recently published a detailed blog post demo'ing OBTU.

While a solution exists for managing an air-gapped VCF environment, the process can be time consuming if you have to support multiple VCF environment as you need to transfer all VCF bundles from where the OBTU is running to each individual SDDC Manager. Ideally, you vi  just host your own offline VCF Depot that all SDDC Managers can simply point to, similar to what is used by vCenter Server with the their Update Manager Download Service (UMDS).

Luckily, an offline depot is not a foreign concept for VCF and while researching this topic, I was even pointed to this old 2020 blog post in creating your own local VCF 3.x depot, but the process was out of date and more importantly, OBTU was not available at the time.

By leveraging a combination of OBTU and the 2020 blog post, I was able to come up with an updated process to create an offline VCF depot that could be used by multiple VCF environments. I was able to successfully validate my offline VCF depot by applying the latest VCF 5.1.1 update to my existing VCF 5.x environment!

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ESXi on Protectli Vault Pro 6650/6670

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I always love hearing about new and interesting hardware vendors from our VMware community, which is exactly how I came to learn about Protectli back in 2021 from fellow vExpert Trevor Smith. It was in 2021 where Trevor had shared with the vExpert Community that Protectli was developing a 10GbE hardware kit, which was really interesting since there was not many options for small form factor systems at that time that included 10GbE connectivity.

After following up with Protectcli in 2021, they confirmed a 10GbE kit was in the works but it was still in early design and development, so there was nothing to evaluate at the time. Fast forward to April 2024, I received a follow-up email asking if I would be interested in kicking the tires on their first 10GbE kits with their new Protectli Vault Pro 6600 series.


So here is your first look at the ESXi running on the new Protectli 10G Vault Pro!

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