direct access storage devices in a sentence
- The IBM 3380 Direct Access Storage Device was introduced in June 1980.
- IBM uses many terms to describe its various magnetic disk drives, such as direct access storage device, disk file and diskette file.
- The product, called Iceberg, uses DASD, or direct access storage device technology to quickly store and recall data from a number of disk drives.
- In the 1970s IBM introduced the Direct Access Storage Device ( DASD ) with fixed-block architecture using sizes of 512, 1024, 2048, or 4096 bytes.
- IBM introduced the IBM 3310 Direct Access Storage Device on January 30, 1979 for VM, the only S / 370 operating systems that supports FBA devices.
- It's difficult to find direct access storage devices in a sentence.
- The IBM 3390 Direct Access Storage Device series was introduced November 1989, offering a maximum storage of up to 22 gigabytes in a string of multiple drives.
- Although its storage medium was tape, the 2321 was a direct access storage device which could directly access a record rather than scan all the tape to find a record as would a conventional tape drive.
- In mainframe computing a "'PR / SM "'( "'Processor Resource / System Manager "') is a type-1 Hypervisor ( a virtual machine monitor ) that allows multiple I / O channels and direct access storage devices ( DASD ).
- When direct access storage devices became available, programming languages added ways for programs to randomly access records one at a time, such as access by the values of key fields or by the position of a record in a file.
- Other forms of Direct Access Storage Device ( DASD ), such as drum memory devices or the IBM 2321 Data Cell, might give blocks addresses that include a cylinder address, although the cylinder address doesn't select a ( geometric ) cylindrical slice of the device.
- Beginning with its 1964 System / 360 announcement IBM's mainframes initially accessed CKD ( Count key data ) subsystems via a channel connected to separate Storage Control Units ( SCUs ) with attached Direct Access Storage Devices ( DASD ), typically a hard disk drive.
- The sole exception is, of course, the ERP for direct access storage devices, which must always remain resident in order to recover from possible I / O errors on the IPL volume and on other volumes which contain datasets which may be concatenated with certain system datasets.
- A 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 punch, and line printers can provide input / output ( I / O ) for a data set ( file ).
- In IBM zSeries computers with two direct access storage device ( DASD ) control units connected through dedicated connections, PPRC is the protocol used to mirror a DASD volume in one control unit ( the primary ) to a DASD volume in the other control unit ( the secondary ).
- Weiss said that if industry projections of a 35 percent price drop in 1996 for direct access storage devices ( DASD )-based products, such as StorageTek's Iceberg system, prove correct, " StorageTek would have to ship 55 percent more product " to maintain the revenue its DASD products generated in 1995.
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