McGarrah Technical Blog

Monitoring ZFS Boot Mirror Health in Proxmox 8 Clusters

· 16 min read
Automated SMART monitoring and cost planning for ZFS boot mirrors across a six-node Proxmox homelab cluster with mixed SSD/HDD hardware. Track drive health, plan replacements, and manage homelab storage costs effectively.

Optimizing Jellyfin on Proxmox: Moving Metadata to CephFS and Shrinking LXC Footprints

· 11 min read
A comprehensive guide to resolving Jellyfin LXC disk space issues by migrating metadata to CephFS and optimizing container size for faster HA failovers.

USB Drive SMART Updates: Fast-Track to the GRUB Solution

· 5 min read
New Seagate USB drives arrived for the Ceph cluster and predictably won't report SMART data. After months of production use, GRUB boot parameters are the only method that reliably survives kernel updates and cluster reboots.

Consolidating Proxmox Notes: A Python Export Script

· 11 min read
A Python script to extract and consolidate the Notes fields from every Proxmox datacenter, node, VM, and LXC config into a single Markdown engineering log.

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