seek time


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Related to seek time: access time, rotational latency

seek time

[′sēk ‚tīm]
(computer science)
The time required for the access mechanism of a random-access storage device to be properly positioned.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

seek time

(storage)
The time it takes for a disk drive to move its head(s) from one track to another. The seek time depends on the power of the servo, the mass of the heads, the number of tracks traversed and the time taken to position the heads over the target track accurately enough to start data transfer.

See also: average seek time, minimum seek time, maximum seek time.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

seek time

The average of the time it takes to move the read/write from its current location to a particular track on a disk. In 1998, Seagate introduced its line of Cheetah hard disks with 5ms seek time. Ten years later, it was down to an average of 3.9ms. See access time.
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References in periodicals archive ?
Huang presented MS-EDF (Minimizing Seek time Earliest Deadline First) for multimedia server environments that is not a deterministic algorithm [2].
In addition to its 5.2 ms average seek time, 10,000 RPM, and 1.2 million hours MTBF, data throughput is 150 MB/second from the SATA interface.
BCC's claims are made at the disk level." They make the distinction between disk seek time at half that of IBM disks and disk access time--the two are not the same.
In addition to reliability, performance also increases dramatically on SFF drives, thanks to the smaller platter and consequently shorter seek times. A few independent benchmark tests have been conducted which substantiate the performance of SFF drives.
The Ultrastar 15K147 is Hitachi's highest-performer, delivering average seek times as fast as 3.3 ms, average latency of 2 ms and as much as 33 percent more I/Os per second compared to 10,000 RPM products.
The 40GB MK4025GAS and the 80GB MK8025GAS are both 2.5-inch hard disk drives and support fast transfer rates and seek times which enables users to access more data in less time, according to Toshiba.
The 16x DVD-ROM offers random seek times of less than 85 ms.
Despite this cost-cutting enhancement, the company claims it has still managed to improve overall performance by between 5% and 8%, driving seek times down from 95 milliseconds to 8.9 milliseconds, for example.
Tape performance is improving, but tape's much slower seek times and lower data transfer rates make tape comparably slower versus disk for both backup and restore.
According to the company, the Cheetah X15 is the world's first drive to operate at 15,000 revolutions per minute and to deliver 3.9msec average seek times. Other features include a 18GB capacity, data rates of up to 48 MB/sec, 4 and 16 MB cache options, Ultra160 SCSI or 2 Gb Fibre Channel interfaces and Seagate's 3D Defense System for data protection.
It retains data settings after power is removed making it non-volatile, like a hard drive minus the disk spin up and seek times, and it doesn't suffer the write degradation that flash devices have.
The new drive supports fast transfer rates and seek times, allowing users to access more data in less time.