Direct-access storage device - Wikipedia
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A direct-access storage device (DASD) (pronounced / ˈdæzdiː /) is a secondary storage device in which "each physical record has a discrete location and a unique address".
DASD - Definition by AcronymFinder
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15 definitions of DASD. Meaning of DASD. What does DASD stand for? DASD abbreviation. Define DASD at AcronymFinder.com
What is DASD? · Mainframe101
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DASD, pronounced "dazz-dee", stands for direct access storage device. It means disk. The term is old, coined to distinguish disk from tape, where reaching a piece of data means winding through everything before it. Modern mainframe DASD is not a spinning disk in the way the name suggests.
DASD Configuration Options - IBM
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In the limited paging environment, you can service DASD and alter the system configuration while protecting your data. Some of the options available in the limited paging environment are also available in the full paging environment.
What are DASD volumes and labels? - IBM
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DASD volumes are used for storing data and executable programs (including the operating system itself), and for temporary working storage. DASD labels identify DASD volumes and the data sets they contain.
What is Direct Access Storage Device (DASD)? - ITU Online IT Training
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DASD works by translating a request from the operating system into a precise storage location, then retrieving that location with minimal wasted movement. When you open a file, launch an application, or query a database row, the system does not read the entire disk.