SNIA

Advancing Storage and Information Technology
 
 

RAID 4 / RAID Level 4

A placement policy using parity-based protection where logical blocks of data are uniformly distributed across a set of independent storage devices and where the parity is stored on a dedicated independent storage device.

Data stored using this form of RAID is able to survive a single storage device failure without data loss.

Context Categories:
  • Storage System

Back to Dictionary