Category Archive For: RAID

The Fundamentals of RAID

The Fundamentals of RAID

This is a Viking. He has a helmet. The helmet has no horns. Viking helmets didn’t have horns. He has full armor. Vikings wore full armor just like everyone else ...

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data storage, hot spare, server

Why a HOT SPARE Hard Disk Is a Bad Idea

Updated on 03/08/2021 Due, in part, to the different views and opinions regarding the usage of hot spare disks in our previous post, we’ve decided to add an update for ...

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RAID

RAID 5: How does it work?

Updated 23/09/2021 A few years ago, we published an article ‘How does RAID 5 work? The shortest and easiest explanation ever’. We have to admit that this article enjoyed great ...

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RAID 2, RAID 3, RAID 4

RAID 2, RAID 3, RAID 4 – What It Is, How It Works? The History Lesson

Updated on 20/09/2021 After RAID 0 and RAID 1 (with RAID 1+0 and RAID 0+1) it is time for RAID 2, 3 and 4. Here we present a short description ...

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RAID 3

What are RAID 1, RAID 1+0 and RAID 0+1

Updated 23/09/2021 This is the second article from our RAID series. We hope it shows what RAID is, its idea, and how it works in the easiest possible way.  We ...

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RAID is no backup

Why RAID is Not a Backup

Last update: July 05, 2021 Today I would like to discuss the topic of RAID – more specifically backup issues. In the blog post title, I proposed a daring thesis ...

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Open-E logo

Binary Powers or Formatted Capacity Confusion

Last update: July 05, 2021 From time to time, some meticulous customer asks us how come a fresh formatted hard disk or RAID array volume is smaller than the nominal ...

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Data Integrity and RAIDZ

ZFS Essentials – Data integrity & RAIDZ

Today we continue the series of articles that aims at presenting the basics of the ZFS. In today’s article we’re further discussing this topic, focusing on the notions of data ...

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Introduction to ZFS

ZFS Essentials – Introduction to ZFS

This article presents the notion of ZFS and the concepts that underlie it. ZFS stands for Zettabyte File System and is a next generation file system originally developed by Sun ...

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Data risks and countermeasures

Data security risks and Open-E JovianDSS countermeasures

Nowadays, it’s all about the data. Continuous and uninterrupted data availability is a must for all businesses. Unfortunately, there will always be a risk of sudden accidents that can make ...

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