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Category Archive For: 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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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 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 – 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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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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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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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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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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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 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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