Definition - What does RAID 2 mean?
RAID 2 is one of at least nine types of RAID.
Techopedia explains RAID 2
This configuration requires special driver hardware to make the disks spin synchronously. The r
RAID 2 controller was expensive and hard to implement. As a result, it never really caught on and was almost never used. Most of what RAID 2 offers is now is available in modern hard disks as a standard like ECC, so there's no reason to use it. Other RAID levels provide protection beyond ECC.
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