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Pro Gineous15h ago · 8 min read

Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

A dedicated server with two disks in RAID 1 can lose one of them and keep running as if nothing happened. That's the point of RAID, and it's also the trap. The site stays up, nobody gets an alert, and

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Michael MiroshnichenkoSep 12 · 10 min read

Recovering BitLocker-Encrypted Storage Spaces: Parity and Simple Volumes on Windows Server 2022

Windows Storage Spaces can make a server storage layout look deceptively simple: several physical drives are combined into a pool, a virtual disk is created on top, BitLocker encrypts the volume, and

hetman-software.hashnode.dev

Michael MiroshnichenkoSep 3 · 10 min read

Recovering Data from mdadm RAID 0, RAID 5, and RAID 6 on OpenMediaVault

OpenMediaVault is a popular Debian-based platform for building NAS systems. For software RAID, it relies on mdadm, which makes it possible to combine several physical drives into RAID 0, RAID 5, RAID

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Jim ChundevalelJul 5 · 19 min read

Part 3: Open WebUI, a One-Sided Load Balancer, and a Bug Hiding One Field Deep

Two Birds, One Qdrant With the core database built and my own homelab knowledge ingested, I had a second idea. Open WebUI, the chat front end I already run for my Hailo and Gemma models, has its own b

accidentalcomplexity.hashnode.dev

Jim ChundevalelJul 3 · 9 min read

Part 1: RAID, Rust, and a Very Stubborn Memory Allocator

The Idea I’ve had a local AI stack running for a while now: Hermes on WhatsApp, Gemma 4 on CPU, two Hailo AI HAT+ boards handling NPU inference, and Open WebUI tying most of it together. It was good a

accidentalcomplexity.hashnode.dev

Michael MiroshnichenkoJul 1 · 9 min read

Data Recovery in ZFS: Datasets, ZVOLs, Snapshots, and Virtual Disks

ZFS combines filesystem management, checksumming, snapshots, RAID-like redundancy, and block storage in a single architecture. However, hardware failures, damaged pool metadata, accidental Dataset or

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Michael MiroshnichenkoJun 30 · 9 min read

How to Recover Data from RAID 5, RAID 6, and RAID 0 on a Dell PERC H700

RAID controllers such as the Dell PERC H700 are commonly used in Dell PowerEdge servers to combine multiple physical drives into a single logical storage volume. Depending on the RAID level, the array

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Mehul MinatMar 31 · 11 min read

RAID Explained for Modern Infrastructure: From Bare Metal to VM Hosts

Why this topic still matters RAID has been around for decades, but it is still one of the most practical storage design decisions you will make in real infrastructure. Whether you are planning a small

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Pratiksha kadamJan 1 · 6 min read

RAID + LVM Troubleshooting Guide

Recovering Data from a Failed NAS: When a NAS fails, it usually happens at the worst possible time—and often without an immediately obvious cause. Power failures, aging disks, firmware issues, or accidental misconfiguration can leave devices unbootab...

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Sandeep ChoudharyNov 26, 2025 · 6 min read

Navigating Risks, Assumptions, Issues, and Dependencies (RAID) in System Design

In the world of system design, a solid blueprint is paramount. But even the most meticulously crafted plans can encounter unforeseen turbulences. This is where the RAID framework comes in as a crucial tool for navigating the inherent uncertainties of...

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Is a Disk Dying in Your Dedicated Server? How to Check Disk Health on Linux

Recovering BitLocker-Encrypted Storage Spaces: Parity and Simple Volumes on Windows Server 2022

Recovering Data from mdadm RAID 0, RAID 5, and RAID 6 on OpenMediaVault

Part 3: Open WebUI, a One-Sided Load Balancer, and a Bug Hiding One Field Deep

Part 1: RAID, Rust, and a Very Stubborn Memory Allocator

Data Recovery in ZFS: Datasets, ZVOLs, Snapshots, and Virtual Disks

How to Recover Data from RAID 5, RAID 6, and RAID 0 on a Dell PERC H700

RAID Explained for Modern Infrastructure: From Bare Metal to VM Hosts

RAID + LVM Troubleshooting Guide

Navigating Risks, Assumptions, Issues, and Dependencies (RAID) in System Design