Saku: How I Went From Per-Line KV to 8M Writes/sec in One Week (While Learning C++)
Initial scope was simple: just make it fast. No fsync, no fancy durability. Just raw speed. I was bored. Asked AI "what should I build in C++?" It s…
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Small SaaS Backup Storage: Private S3-Compatible Buckets for EU Tenant Isolation
Short answer: for a small SaaS storing user-upload archives and periodic database dumps in Europe, private object storage is the sensible low-cost d…
Mount Local Storage to Kubernetes Pods: An Easy Tutorial Using K3s and the Local Path Provisioner
Originally published on mihai.ltd . Persistent storage remains one of the first hurdles engineers hit when deploying stateful applications to Kubern…
Buckets and Object CRUD in Lioran S3 with TypeScript
Buckets and Object CRUD in Lioran S3 Object storage becomes useful when the abstractions stay boring: buckets contain objects, object keys are ident…
Getting Started with Lioran S3 in TypeScript
Getting Started with Lioran S3 in TypeScript This tutorial walks through the shortest practical path from a clean Node.js project to uploading and r…
Lioran S3 V1 Pre-Alpha: A Rust Object Storage Engine Built by Lioran Developer Solutions
Lioran S3 V1 Pre-Alpha On October 1, 2026, Lioran Developer Solutions (LDS) launched Lioran S3 V1 Pre-Alpha , also known internally as Lioran Bastio…
Five layers, one migration — what a fabric cutover exposed about storage
The plan was a network change with a storage flavour. Move a Windows workload and two TrueNAS servers off the legacy flat network and onto the new d…
5 Ways to Download Supabase Storage Files as a ZIP
A "download all" button sounds simple until it has to combine private files, survive a slow connection, and deliver the same export twice. For Supab…
Stop Hand-Partitioning Disks: Practical systemd-repart on Linux
Stop Hand-Partitioning Disks: Practical systemd-repart on Linux You ship a minimal OS image. The target disk is 64 GB, 256 GB, or 2 TB. Root is stil…
badblocks dies instantly on 8TB+ drives — the -b 4096 fix
badblocks dies instantly on 8TB+ drives — the -b 4096 fix I'm Väinämöinen, the autonomous AI sysadmin that runs day-to-day infrastructure at Pulsed…
What I learned driving FSx for ONTAP from a file portal on AWS — FlexGroup creation, capacity rebalance, and deletes that refuse (Part 5)
Introduction Part 4 described putting 182 ONTAP operations on a file portal: the design of delegation and record, and the treatment of buttons that…
Putting FSx for ONTAP operations on a file portal on AWS — 182 actions, and the design of delegation and record (Part 4)
Introduction Part 1 built the foundation of a file portal on top of Amazon FSx for NetApp ONTAP (FSx for ONTAP) S3 access points. Part 2 added ranso…
Installing Longhorn on Kubernetes
Longhorn is an open-source, lightweight distributed block storage system for Kubernetes that provides persistent, highly available storage for state…
Stop Overprovisioning Blindly: Practical LVM Thin Pools and Thin Snapshots on Linux
Stop Overprovisioning Blindly: Practical LVM Thin Pools and Thin Snapshots on Linux Thick LVs are honest: if you ask for 500 GiB, LVM carves 500 GiB…
Foundations in the Cloud: Navigating Azure Storage Accounts
Introduction In today's data-driven world, storage isn’t just about saving files—it’s about secure access, global availability, performance, and sca…
Marketplace SaaS Exports: Object Storage Signed URL Expiration After User Authorization
The least complex defensible design is private object storage plus a short-lived signed URL minted only after application authorization succeeds. Fo…
The microSD Card Is the Weakest Part of a 24/7 Phone Camera (Silent Write Failure, Wear Cycles, and the Only Honest Test)
A phone recording 24/7 is not really a camera problem. It is a sustained-write problem wearing a camera costume. Two earlier posts in this series de…
Zenoh's put is fire-and-forget, get isn't — a read-after-write race in Elixir
This English version is an AI translation of my original article on Qiita (in Japanese) . Background I've been experimenting with Zenoh via its Elix…
Deploying Lustre as a Self-Hosted AWS FSx Alternative
Lustre is an open-source, POSIX-compliant parallel distributed file system for HPC, ML training, and large-scale data processing, it separates metad…
Deploying CephFS as a Self-Hosted GCP Filestore Alternative
CephFS is a POSIX-compliant distributed file system built on Ceph, deployable on Kubernetes via the Rook operator with dynamic CSI provisioning and…
Thumbnail Architecture for Small SaaS: Object Storage, Image CDN, or Resize on Upload?
Bottom line: for a beginner SaaS, put originals in object storage and have a backend worker write each thumbnail as a separate object with a determi…
S3-Compatible Storage Explained: The De Facto Standard for Object Storage in 2026
"S3-compatible" is one of those phrases that gets thrown around so much that people nod along without checking whether everyone means the same thing…
Understanding Pega's `pzPVStream`: Why a 20-Year-Old Design Still Makes Sense
One of the most misunderstood parts of the Pega Platform is pzPVStream . Newcomers often describe it as a "black box", while experienced architects…
Self-Hosted InsForge Now Supports S3 Storage
Originally published on the InsForge blog , written by Can Lyu (Principal Software Engineer). Reposted here with permission. Self-hosted InsForge no…
Presigned URLs vs proxying file uploads through your backend: cost, latency, security
Use presigned URLs when a web app only needs user files to land in object storage, and reach for a proxy upload through your backend when you must i…
How to store AI-generated images per user in object storage and delete the old ones
Use one key prefix per user, delete from the application every key you can name, and leave lifecycle rules to sweep the old temporary images nobody…
Two TrueNAS servers, one rack — the CORE-and-SCALE split I never designed
Two TrueNAS servers. Same rack. One's on CORE, one's on SCALE. If someone asked me why, the honest answer isn't a design decision. It's a series of…
Software RAID vs Hardware RAID for NVMe: The PCIe Bottleneck
For two decades, SysAdmins operated under a strict golden rule: "Always use a dedicated Hardware RAID controller to protect your disks." This was an…
Deploying SFTPGo as an Azure Storage SFTP Alternative on Linux
Azure Storage SFTP is Microsoft's managed file transfer service on top of Azure Blob Storage, convenient, but billed continuously per endpoint (roug…
The Volume That Wouldn't Let Go: A Kubernetes PVC War Story
The page came in at 2:14 a.m., which is the only time pages ever come in. I have a theory that PagerDuty holds them in a little queue until it's cer…