# Multiple Physical Disks

> The requirement that data span several physical disks so redundancy can survive a single-disk loss.

Record: `lex:multiple-physical-disks`
Kind: constraint
Layer: [Correctness Core](https://banes-lab.com/records/layer/correctness-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-multiple-physical-disks

## category

- [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/records/lex-category/self-healing-recovery-deployment-safety.md)

## referenced-by

- [RAID Redundancy](https://banes-lab.com/records/arch/raid-redundancy.md)