Remember RAID 1
Full name: Redundant Array of Independent Disks level 1
Memory aid: One logical dataset has mirrored copies.
Mirroring improves selected failure tolerance but is not an independent backup.
Study area: Storage & interfaces · Batch 9
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Server+
Practice with exam flashcards →Hardware & Components / Knowledge library
RAID 1 — Redundant Array of Independent Disks level 1
Mirrors data across supported member disks.
Why learn RAID 1 — Redundant Array of Independent Disks level 1?
Mirrors data across supported member disks.
Where it came from
Mirroring improves selected failure tolerance but is not an independent backup.
- Memory aid (a learning cue, not the expansion): One logical dataset has mirrored copies.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand RAID 1: Redundant Array of Independent Disks level 1.
- Recall this memory aid: One logical dataset has mirrored copies.
- Explain the practical use: Mirrors data across supported member disks.
- Explain this distinction: Mirroring improves selected failure tolerance but is not an independent backup.
- Identify RAID 1 in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NVM Express specifications (nvmexpress.org)
- SNIA dictionary (www.snia.org)