Definition: Cluster


Cluster is a basic allocation unit on a hard drive. It is a group of contiguous sectors. The cluster size (number of sectors per cluster) varies with the storage media and is fixed at time of format. At least one cluster is allocated to each file, regardless of the file's size, that is stored in the DOS environment.




DID YOU KNOW?  DATA RECOVERY FACTS AND TERMINOLOGY:

Data Recovery Fact

Average Seek Time

Length of time it takes the drive to move the read/write heads to a safe non-data landing zone and lock them in place.

Please visit our Data Recovery Knowledgebase for more facts and terminology.