The Data Center Overlords

With VMware jacking up the prices and killing off the free version of ESXi, people are looking to alternatives for a virtualization platform. One of the more popular alternatives is Proxmox, whic...

https://datacenteroverlords.com/2024/04/07/running-cvp-on-proxmox/

Ansible is a great platform for network automation, but one of its quirks is its sometimes obtuse errors. I was running a playbook which logs into various Arista leafs and spines and does some te...

https://datacenteroverlords.com/2023/03/17/connection-types-with-network-automation-and-ansible/

When choosing an underlay for an EVPN/VXAN network, the prevailing wisdom is that BGP is the best choice for the underlay routing protocol. And overall, I think that’s true. But OSPF can make a...

https://datacenteroverlords.com/2022/12/13/in-defense-of-ospf-in-the-underlay-in-some-situations/

TL;DR: If you’re a sysadmin or network administrator who doesn’t know vi/vim, I wouldn’t worry about it. Nano as a Linux/Unix editor will suffice in just about every situation you’re like...

https://datacenteroverlords.com/2022/12/12/learn-vi-as-a-network-or-sysadmin-today/

“It’s all fun and games until you can’t ping your default gateway.” While EVPN/VXLAN brings a number of benefits when compared to a more traditional Core/Aggregation/Access layer style ne...

https://datacenteroverlords.com/2022/11/18/troubleshooting-evpn-with-arista-eos-control-plane-edition/

There is an incorrect assumption that comes up from time to time, one that I shared for a while, is that VMware ESXi virtual NIC (vNIC) interfaces are limited to their “speed”. In my stand-al...

https://datacenteroverlords.com/2021/11/28/psa-virtual-interfaces-in-esxi-arent-limited-to-interface-speeds/

So, cut-through switching isn’t a thing anymore. It hasn’t been for a while really, though in the age of VXLAN, it’s really not a thing. And of course with all things IT, there are exceptio...

https://datacenteroverlords.com/2021/04/14/cut-through-switching-isnt-a-thing-anymore/

FCoE is dead. We’re beyond the point of even asking if FCoE is dead, we all know it just is. It was never widely adopted and it’s likely never going to be widely adopted. It enjoy a few awkwa...

https://datacenteroverlords.com/2021/03/31/requiem-for-fcoe/

The following post is aimed for photographers and other digital hoarders. Those of us that want to keep various digital assets not just for a few years, but a lifetime, and even multiple lifetime...

https://datacenteroverlords.com/2021/02/17/the-three-levels-of-data-protection-for-data-hoarders/

Recently it’d come to my attention that my old PC rig wasn’t cutting it. Intel i7 950 18 GB of RAM X58 Asus-based motherboard Sandisk 1 TB SSD 2 x 8 TB Shucked Best Buy Easystore Hard Drives ...

https://datacenteroverlords.com/2019/09/16/wow-nvme-and-pcie-gen-4/