Storage - vLuwte's Homelab Journey

homelab-journey

Longhorn Snapshot Overhead: Why the Alerts Were Right and Wrong

prometheus-server at 90% allocated, 5.6 GiB of real data. The alerts fired — but were they firing on the right thing? Snapshots, unreclaimed blocks, trim, and a PromQL join.

homelab-journey

Enabling fstrim on Longhorn Volumes in Talos Linux

Longhorn allocation never coming down? Here's how to enable automated fstrim via a RecurringJob on Talos Linux — and what it can't fix.

homelab-journey

Longhorn Storage Upgrade: Replacing 500GB NVMe with 1TB

Rolling NVMe upgrade on a live Talos cluster: phase=failed, the extraMounts unlock sequence, and why storageReserved needs an explicit value.

homelab-journey

Backup Infrastructure: Garage S3, ZFS, and Longhorn Backup Targets

Building the local backup layer for the Bletchley cluster: ZFS mirror on rock3's SATA SSDs, Garage S3, NFS, and Longhorn recurring backups.

Longhorn

Longhorn Deep Dive: Replicas, Versions, and Upgrades

The decisions behind the Longhorn installation: why 2 replicas on a 1Gb cluster, how version pinning protects reproducibility, and when to upgrade.

Longhorn

Setting Up Longhorn Storage on the Bletchley Cluster

Installing Longhorn distributed storage on a Talos Linux cluster: NVMe preparation, Helm install, and why the namespace label matters before anything else.