McGarrah Technical Blog

Backlog of Posts from 2024

· 2 min read
A status update on the growing draft backlog heading into 2025 — what got written, what's still waiting, and what keeps getting added.

Power Supply upgrade for GPUs in the Homelab

· 3 min read
Evaluating a 750W Dell OptiPlex PSU upgrade to support a discrete GPU in an aging Proxmox homelab node, with a breakdown of PCIe and connector power limits.

Ceph Cluster Complete Removal on Proxmox for the Homelabs

· 6 min read
How to completely remove a broken Ceph cluster from Proxmox — every service, package, config file, and orphaned mount point — so you can start fresh.

Linux Disk I/O Performance in the Homelab

· 5 min read
Quick disk I/O benchmarks comparing eMMC and USB3 storage on Dell Wyse 3040s — understanding the performance characteristics of your storage tier before making capacity decisions.

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