A bit of thought about RAID

I was often confronted with people’s assumptions about RAID arrays in past job roles. Thinking of those conversations, I decided to write a small and human-readable (I believe) article about this. Let’s start by explaining what Hardware RAID is. A RAID array-based in hardware requires a controller (AKA RAID Controller) physically installed in the system. […]

RAID levels

RAID 0 (also known as striping) RAID 0 will use any number of disks and merge them, creating one large logical volume. They are usually used to achieve high speeds. Such is possible because reading and writing happen from multiple disks simultaneously. However, this has a cost. RAID 0 does not offer redundancy at all. […]