From the course: Cert Prep: SNCP Foundations (S10-110)
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RAID types
- So let's do a deeper dive into RAID. And these questions will be encountered on the SNIA exam. RAID 0 is one of the fundamental types of RAID. All it really does is concatenate two drives together to make one big volume. It makes two smaller drives look like one great big drive to the server. The downside is that all it does is make that volume bigger. It has no capability of recovering from a failure. In fact the reliability, the data protection of RAID 0 is pretty dismal, because either of these drives can fail and you will lose your entire volume. It is a one to one capacity overhead. And we'll drill into the other RAID types and talk about why that's important. As mentioned the great risk with RAID 0 is that if you lose either of these two drives you lose your entire dataset. RAID 1 Mirroring the most commonly-encountered type of RAID. It is exactly as described, hard drive one mirrors to hard drive two, and visa versa. And as we dig into what happens when a drive fails there is…
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