From the course: Building Your Technology Skills

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Understanding RAID

Understanding RAID

- [Voiceover] Hello, and welcome back to another edition of Building Your Technology Skills. My name is Martin Guidry and this week we'll be talking about RAID. RAID is an acronym. It stands for redundant array of independent disks. And as the name implies, this is when we have multiple physical disk drives that will behave as one disk drive, usually providing some redundancy in our data, meaning if one of the physical drives fails, we'll have another copy of the data somewheres else. Just a note about terminology. When we have a group of disk drives that have a RAID configuration on them, sometimes people call this a RAID array. Adding the word array at the end is somewhat redundant because array is already part of the acronym, but nonetheless, the industry does use the phrase RAID array to refer to a group of disks with a RAID configuration on them, even though this is redundant. And then there is some sort of weird irony here because the word redundant is also part of the acronym…

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