A direct-access storage device (DASD) (pronounced /ˈdæzdiː/) is a secondary storage device in which "each physical record has a discrete location and a...

Virtual Storage Access Method (VSAM) is an IBM direct-access storage device (DASD) file storage access method, first used in the OS/VS1, OS/VS2 Release...

2012 Direct access (computing), a concept in computer science Direct Access Archive, a proprietary file format Direct access storage device, a secondary...

Wiktionary, the free dictionary. DASD may refer to: Direct-access storage device, a computer storage device DeForest Area School District Downingtown Area...

terms to describe its various magnetic disk drives, such as direct-access storage device (DASD), disk file and diskette file. Here, the current industry...

Proceedings. Retrieved 2 October 2013. Introduction to IBM Direct-access Storage Devices and Organization Methods. International Business Machines Corporation...

to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached...

Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory independently of the...

Direct-attached storage (DAS) is digital storage directly attached to the computer accessing it, as opposed to storage accessed over a computer network...

data set is typically stored on a direct access storage device (DASD) or magnetic tape, however unit record devices, such as punch card readers, card...

of routines used in retrieving data from, and storing data onto, direct access devices.": p.5  BDAM is available on OS/360, OS/VS2, MVS, z/OS, and related...

Count key data (CKD) is a direct-access storage device (DASD) data recording format introduced in 1964, by IBM with its IBM System/360 and still being...

The IBM 2321 Data Cell is a discontinued direct access storage device (DASD) for the IBM System/360, announced along with System/360 in April 1964. It...

IPL concept is device-independent. It is capable of IPL-ing from a card deck, from a magnetic tape, or from a direct access storage device, (DASD), e.g...

operating in New Zealand Relative track and record, an access method in a direct-access storage device Ticket to Ride (disambiguation) This disambiguation...

and face no penalty. Direct-access storage device Queued sequential access method Sequential data Random and Sequential Data Access, Microsoft TechNet Irfan...

technology containing just one drive device are referred to as autoloaders or autochangers. Robotic-access storage devices may have a number of slots, each...

least one direct access storage device. Although OS/360 itself was discontinued, successor operating systems, including the virtual storage MVS and the...

failure of the primary site. In IBM zSeries computers with two direct access storage device (DASD) control units connected through dedicated connections...

determine the volumes on which it resides. When a program opens a Direct Access Storage Device (DASD) dataset, the OPEN routine searches the VTOC index (VTOCIX)...

Network-attached storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group...

internal storage cartridge. The IBM Data Cell [noodle picker] was among several IBM trademarked "speedy" mass online direct-access storage peripherals...

display device, such as a computer monitor. Direct Access Storage Device (DASD) A mainframe terminology introduced by IBM denoting secondary storage with...

holographic memory. Mass storage includes devices with removable and non-removable media. It does not include random access memory (RAM). There are two...

platter 1 etc. is cylinder 12. Other forms of Direct Access Storage Device (DASD), such as drum memory devices or the IBM 2321 Data Cell, might give blocks...

utility into main storage, and for this specific purpose "IPL Text" is placed on the disk by the stand-alone DASDI (Direct Access Storage Device Initialization)...

Network Direct Attached Storage (NDAS) is a proprietary storage area network system, originally marketed by the company Ximeta, for connecting external...

physical location of data inside the memory, in contrast with other direct-access data storage media (such as hard disks and magnetic tape), where the time required...

location on access, rather than storing the information in a mapping table. The virtualization software or device uses the metadata to re-direct I/O requests...

solid-state storage device that uses integrated circuits to store data persistently. It is sometimes called semiconductor storage device, solid-state device, or...