Method for improving speed of storage system data access

A data access and storage system technology, applied in memory systems, electrical digital data processing, memory address/allocation/relocation, etc., can solve problems such as cost performance outweighs gains, users cannot bear cost pressure, growth, etc.

Inactive Publication Date: 2013-03-20
EISOO SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the case of a large amount of data, fully using high-end disks will increase the cost by several times, or even dozens of times.
Unless it is for some

Method used

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  • Method for improving speed of storage system data access
  • Method for improving speed of storage system data access
  • Method for improving speed of storage system data access

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Embodiment Construction

[0030] For all data stored in storage media, according to the principle of data locality, not all data are used with the same frequency and possibility. Just as the data in the memory is relative to the CPU cache, the commonly used data is stored in the cache through the CPU's primary and secondary cache, which greatly improves the computing performance. In the storage system, the actual situation is similar to that of memory, and some data is used frequently (we call this part of data hot data), while the other part of the data is used less or even accessed once and is no longer used (We call this part of the data cold data). According to the principle of locality in computer science, the possibility of accessing the accessed data and the data near it in the future is higher than that of the data in other locations. Especially from the design of the file system, the implementation of the file system tends to allocate space continuously and store data in these continuous spac...

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Abstract

The invention discloses a method for improving speed of storage system data access. The method for improving the speed of the storage system data access is capable of obtaining all the input output requests for low speed storage media, and redirecting the input output requests to high speed storage media according to an access situation. Therefore the aim of improving the speed of the storage system data access is achieved.

Description

technical field [0001] The present application relates to the technical field of computer data storage, and in particular to a method for increasing the data access speed of a storage system. Background technique [0002] Since the invention of the computer, rapid development has been achieved in the past few decades, and its computing power has increased geometrically. With the development of computing power, storage technology has also made unprecedented progress in terms of capacity and speed, and storage media have developed from magnetic tapes and floppy disks to mechanical hard disks and solid-state hard disks. At present, the mainstream medium for large-capacity data storage is mechanical hard disk, but mechanical disk always has its physical limit that is difficult to break through. Users not only have to face the problem of large-scale data storage, but also need to ensure timely and effective data access. Users are therefore often faced with a trade-off between sp...

Claims

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Application Information

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IPC IPC(8): G06F12/08G06F12/1009
Inventor 叶佑群
Owner EISOO SOFTWARE
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