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RAID — Redundant Array of Independent Disks

Combines disks for selected performance or availability goals.

Acronym study batch 1 · reviewed 2026-10-20

Why learn RAID — Redundant Array of Independent Disks?

Combines disks for selected performance or availability goals.

Where it came from

RAID is not a backup; RAID 0 provides no redundancy.

• Memory aid (a learning cue, not the expansion): An Array of disks shares the workload and sometimes survives failure.

Build your understanding

Work through these exercises in order. Try the task before opening a reference.

1. Without looking, expand RAID: Redundant Array of Independent Disks.
2. Recall this memory aid: An Array of disks shares the workload and sometimes survives failure.
3. Explain the practical use: Combines disks for selected performance or availability goals.
4. Explain this distinction: RAID is not a backup; RAID 0 provides no redundancy.
5. Identify RAID in a device specification, architecture diagram, or system inventory.

Documentation and sources

• NVM Express specifications (nvmexpress.org)
• SNIA dictionary (www.snia.org)

Catalog source: technology-maxxing. This page reproduces the existing catalog’s learning material and source links.