disk cache


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disk cache

[′disk ‚kash]
(computer science)
A portion of random-access memory that contains the data most recently read from or written to the disk, allowing rapid access by the central-processing unit.

disk cache

A section of main memory or memory in the disk controller that bridges the disk and CPU. For more details, see cache.
References in periodicals archive ?
Solid-state disk cache can offer savings through delaying or avoiding expensive forklift upgrades and data migration by accelerating existing storage and extending its useful life.
The results (Table V) indicate that when the server memory is used as a traditional disk cache, it has a very low hit rate of 0.45% because most of the blocks it stores are duplicated in the local and cooperative caches.
A disk cache of 256K is extremely important in lowering the average seek time; a buffer of this size is not hard to find.
Whatever the clock speed of your computer, you will see a difference with the help of a disk cache.
Thus, DOS buffers serve as a primitive disk cache. The number of DOS buffers was kept constant at 20 for all but one of the experiments.
Device Package Comprising: Computer Hardware; Hard Disk Cache (shelf) - 1 Pc .; Hard Drives - Not Less Than 24 Pcs .; All Other Components Required For Hard Disk Cache (shelves) And Hard Disk Drives For Installation Of The Contracting Authority%s Data Center Equipment Cabinet And The Integration Of The Contracting Organization%s It Infrastructure; All Necessary Licenses, Extending The Functionality Of Existing Storage Drives Purchased Through All The Hard Disk Drives.
As part of ILM, secondary disk cache is being used to stage data before being sent to tape.
TenXpert is a dedicated, stand-alone, multi-user Novell, Windows NT, and UNIX CD-ROM network server offering up to 36 GB of hard disk cache that significantly enhances CD library performance, according to the company.
The TenXpert is a dedicated, standalone, multi-user, CD-ROM network server with a large hard disk cache that offers users of Cygnet's popular id 100 instant, direct network connection and significantly enhances jukebox performance.
With automatic CD-ROM mounting and unmounting, a large hard disk cache, and 100-Mbps network speeds, the hardware server automatically controls all functions so there is no software to install and no Windows or Novell license fees, according to the company.
I decided to model a disk cache product that could achieve an 85% cache hit rate.