Cluster

Definition(s)

  • In operating systems that use a file allocation table (FAT) architecture, the smallest unit of storage space required for data written to a drive. Also called an allocation unit.  1  2
  • The smallest unit of storage space required for computer data to be written to a drive. Sometimes called an allocation unit.  3
  • Cluster (File): The smallest unit of storage space that can be allocated to store a file on operating systems that use a file allocation table (FAT) architecture. Windows and DOS organize hard discs based on clusters (also known as allocation units), which consist of one or more contiguous sectors. Discs using smaller cluster sizes waste less space and store information more efficiently.
  • Cluster (System): A collection of individual computers that appear as a single logical unit. Also referred to as matrix or grid systems.

Notes

  1. Fios, E-Discovery Glossaryhttp://discoveryresources.org/01_electronic_discovery_glossary.html 
  2. RSI, Glossary.
  3. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).