Writing

My writing combines technical expertise with real-world experience, offering insights that span from detailed technical documentation to broader industry perspectives. Drawing from experiences across multiple roles and industries, these pieces aim to illuminate complex topics while providing practical value to readers.

Through articles, technical guides, and thought leadership pieces, I explore themes ranging from storage solutions and cloud infrastructure to the human aspects of technology implementation. Each piece reflects a commitment to clarity, depth, and practical applicability.

Discover a collection of articles, technical writings, and industry insights that bridge the gap between technology and business value. Whether you're seeking technical guidance or strategic perspectives, you'll find content that informs and inspires.

By nllewellyn, 24 September, 2025
Discover how Drive Writes Per Day (DWPD) helps predict the endurance of your SSD, learn why this metric is crucial for modern storage, how it’s calculated, and what it means for choosing the right drive for your workload. This article explains DWPD in simple terms, providing practical examples and insights so that anyone can make informed decisions about SSD reliability and lifespan, whether for enterprise or personal use.
By nllewellyn, 19 March, 2025
Travelling in a new country comes with plenty of small challenges, and one of them is quickly converting prices into a familiar currency. When I arrived in South Africa, I found myself regularly estimating ZAR to GBP conversions. The exchange rate hovered around 1 ZAR ≈ £0.04, which meant dividing by 25 to get a rough estimate. Dividing by 25 isn't difficult, but it's not the most intuitive calculation to do on the fly—especially when paying a bill or making a quick decision. So, I started using a simple Vedic maths trick that makes it much easier.
By nllewellyn, 18 February, 2024
As technology professionals, we often find ourselves facing unexpected challenges, especially when it comes to managing critical systems and data. Recently, I encountered a situation where multiple disk failures within a RAID 6 array threatened the integrity of important data. In this article, I’ll share my experience and the solution I employed using Linux commands dd and ddrescue for disk recovery.