RAID2.0+ is a block-based virtualization technology. Disks are divided into CKs and CKGs form RAID groups. Therefore, compared with traditional RAID, RAID2.0+ does not require hot spare disks or hot…

Question

Options

• ATrue
• BFalse

• A
  20% (5)
• B
  80% (20)

Explanation

Option B (False) is correct because while RAID2.0+ eliminates the need for dedicated hot spare disks, it still requires hot spare space. The technology distributes spare chunks (CKs) across all drives in the pool rather than reserving entire physical disks, so hot spare space is still needed - it just works differently from traditional RAID.

Option A is wrong because the statement conflates two separate things: RAID2.0+ does remove the requirement for dedicated hot spare disks, but it does not eliminate the need for hot spare space entirely. The statement overstates the benefit by claiming both are unnecessary, when only the dedicated disk requirement is removed.

Memory tip: RAID2.0+ swaps dedicated hot spare DISKS for distributed hot spare SPACE - the spare capacity still exists, it is simply spread across the pool in small chunks rather than sitting idle on a whole drive.

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