Encyclopedia > Direct access storage device

  Article Content

Direct access storage device

A direct access storage device, or DASD (pronounced DAZ-dee) is a form of magnetic disk storage, historically used in the mainframe and minicomputer (mid-range) environments.

The redundant array of independent disks (RAID) is a form of DASD.

"Direct access" means that all data can be accessed directly in -- a form of indexing also known as "random access" -- as opposed to having to seek sequentially through the data.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Great River, New York

... husband present, and 17.9% are non-families. 13.4% of all households are made up of individuals and 5.5% have someone living alone who is 65 years of age or older. Th ...

 
 
 
This page was created in 38.7 ms