In vCenters, when I replaced the vmxnet3 network adapter on the VM with a vmxnet adapter and clicked OK, I encountered an issue. After attempting to switch back to the vmxnet3 adapter, the VM’s ‘edit settings’ Virtual Hardware tab was blank, regardless of whether the VM was powered on or off. Solution: I logged into…
Category: Home Lab
How Fast Is My Home Lab?
I have been tuning my Home Lab network during my vacation. Private AI/ML, vGPU and VDI requires a fast Home Lab setup. I tweaked my Switch (Dell EMC S4112T-ON), UDM Pro, ESXi hosts, and also revisited the subnetting logic. I went over my servers’ BIOS CPU and RAM features and found out that default settings…
Quick Guide on How to Use iperf3 to Measure Throughput Between Two ESXi 8.0 Update 3 Hosts or VMs
Preparation: Steps for Each Host: Testing: Final Steps: This guide will help you test network bandwidth between two ESXi hosts effectively using iperf3. Remember to restore the original security settings after completing your tests to maintain the security of your hosts.
How to configure Dell EMC S4112T-ON Switch OS10 RDMA over Converged Ethernet (RoCE)
I have often found it difficult to find commands that actually work because it seems that Dell Switch commands not only differ by OS version but can also vary based on the model, and of course, I do not rule out that there may be some differences according to the firmware version. This is a…
Silencing My Server Rack: A Simple Solution
Right now, I’m on a quest to create a silent data center in my apartment. I’ve been reaching out to various experts and companies to gather insights and recommendations. While I’m still piecing together the best overall solution, one immediate challenge has been quieting my server rack. Every new device I buy, I am always…
Monitoring Home Lab Power Consumption with Schneider EcoStruxure Data Center Expert and Easy Rack PDU
I’ve been a big fan of Schneider EcoStruxure Data Center Expert because it’s a practical tool for monitoring data center power, humidity, and temperature. I recently bought a Schneider Easy Rack PDU metered outlet version (EPDU1116SMBO), which allows me to monitor the power consumption of individual sockets. This means I can monitor each home lab…
Silent Cooling Solution for the Nvidia L4 24 GB GPU
I am keeping this post very short, with mostly photos. I tested the cooling performance with different games. The GPU’s max power is 72W, though during my tests, it exceeded 75W. It’s also possible to limit it to 30W. I tested the GPU by running games like Black Myth: Wukong, Cyberpunk 2077, Uncharted 4: A…
Nvidia L4: Powerful Low-Power GPU for Nvidia AI Enterprise and Virtual GPU
I’ve been searching the internet for a long time to find a versatile GPU for AI and video graphics workloads that also supports vGPU and Nvidia AI Enterprise. Some of the GPUs I considered were the RTX 6000 Ada, A2, A10, L4, T4, A40, and A16. I was most drawn to the RTX 6000 Ada…
Expanding Core-ESXi RAM from 128GB to 593.72GB Using Samsung 970 EVO Plus NVMe SSD
With the release of vSphere 8.0 Update 3, VMware introduced Memory Tiering over NVMe as a Technical Preview. This feature enables users to expand memory capacity on a host using locally installed NVMe devices. Several experts, including William Lam, have already tested this feature, and it appears to be working seamlessly. Like many other home…
Home Lab 07.2024: A Snapshot of its Current State
Servers: TOTAL:CPU 144 Core/ 288 + 16 CoreRAM 1.8 TB + 128 GBNVMe 95.44 TBSSD 4.4 TBHDD 4.5 TBNetwork 100 GbE + 10 GbE AI/ML/vGPU Server CPU: Intel® Xeon® Platinum 8490H 60 Core 120THCPU Cooler: CPU NOCTUA NH-U14S DX-4677Motherboard: GIGABYTE MS33-AR0Network NIC 2x RJ45 10GBase-T portsNetwork NIC 1x RJ45 1GBase-T portsNetwork PCI-E 5.0 x16 100GbE…