Designing Backpressure and Concurrency in QuorumBD Middleware Building a distributed block storage system requires careful attention not only to replication and consistency, but also to the behaviour of the middleware layer that connects clients to the storage core. In QuorumBD, the middleware is intentionally designed to remain lightweight and deterministic, acting as a reliable bridge … Read more
Thirty-Five Years in the Machine — and Why I Left 🏭 Inside the Machine I have been inside the machine for thirty-five years. Not on the periphery. Not as an observer. Inside — where decisions are made that shape products used by billions, where projects worth hundreds of millions live and die in conference rooms, … Read more
🚀 retentions 1.3: Smarter Retention, Fewer Surprises With retentions 1.3, the tool grows up another notch. The core idea hasn’t changed:explicit, deterministic retention rules for plain files — no magic, no guessing. But version 1.3 adds a few very practical features that solve real-world annoyances many backup setups quietly suffer from. 🧰 What’s New in … Read more
🧩 Proxmox vzdump Hooks, Done Right Proxmox offers a powerful but often underused feature: vzdump hooks. They allow you to run custom logic at well-defined points during the backup lifecycle — before, during, and after a backup. In practice, however, most setups either: I wanted something different: This post describes the hook setup I’m using … Read more
There was a folder full of backups. There are always folders full of backups. Some are named carefully.Some are named in panic.All of them grow silently. And then there was you — a system architect who does not like silent chaos. You didn’t want a “backup solution.”You wanted policy. Not heuristics. Not magic.Determinism. And that … Read more
🎉 retentions 1.0 is out After a long stretch of building, testing, and thinking a bit too hard about file deletion, I’m releasing retentions 1.0 — the first production-ready version. retentions is a small, cross-platform CLI tool that applies backup-style retention rules to plain files.It does not create backups.It does not “clean up a bit”. … Read more
We wish all our customers a joyful and blessed Christmas season and a successful start into the New Year. As 2025 draws to a close, we would like to sincerely thank you for the trust you have placed in us and for the excellent collaboration throughout the year. Your partnership, feedback, and shared commitment to … Read more
🔥 QuorumBD: A System Built for the Edge of Collapse There are storage systems that whisper. And there are storage systems that roar. QuorumBD must roar. Not because the world needs more noise —but because the world is drowning in fragile complexity. Clusters that pretend to be invincible.Stacks that collapse under their own abstraction.Distributed systems … Read more
🤖 Why We Let ChatGPT Write Guest Posts Here We created ChatGPT as a user and author on this site for a reason. Not as a gimmick.Not as a marketing trick. But as a thinking partner. 🧠 Architecture Deserves Dialogue Our products are not accidental tools.They are architectural statements. When we build something like QuorumBD, … Read more
🗂️ Why I Didn’t Use find – and started retentions Today, I wanted to delete some old backups. Nothing fancy. Just the regular backups I keep from my OpenWRT Wi-Fi access point.And like everyone else, my first instinct was to reach for the shell. 🔧 The Obvious Solutions The usual commands are well known: or: … Read more
