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vSAN Benchmark Analysis

As part of this year’s server upgrades, we put together a new vSAN cluster at work. The machines are Lenovo SR650 servers with dual Xeon Gold 6132 14 Core CPUs, and 768 GB of RAM. Each server is equipped with two disk groups consisting of one 800 GB write intensive SSD and three 3.84 TB […]

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Configuring Lenovo SR650 nodes for running vSphere

As usual nowadays, Lenovo SR650 servers come with energy saving presets that may seem ”green”, but which kill virtualization performance. The regular way to get them running the way they should is to enter the UEFI setup at boot, go to UEFI Settings -> System Settings -> Operating Modes and choose ”Maximum Performance”. Unfortunately, on […]