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Data storage method and device

A data storage and data preservation technology, applied in the storage field, can solve problems such as complex configuration of hierarchical storage systems, and achieve the effect of solving complex configuration and simplifying configuration methods

Pending Publication Date: 2021-03-05
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem of complex configuration of the hierarchical storage system due to the need to configure at least two storage devices with different read and write delays in the existing hierarchical storage system, the embodiment of the present application discloses a data storage method and device

Method used

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Embodiment Construction

[0058] In order to solve the problem that in the existing hierarchical storage system, at least two types of storage devices with different read and write delays need to be configured at the same time, resulting in a relatively complicated configuration of the hierarchical storage system, the embodiments of the present application disclose a data storage method and device.

[0059] The embodiment of the present application discloses a data storage method, the data storage method is applied to a storage device, the storage device at least includes a first storage page (ie page) and a second storage page, the first storage page and the The types of the second storage pages are different, and different types of storage pages have different read and write delays. In addition, the storage device is also connected to the processor in the hierarchical storage system through an interface card. Wherein, the processor may be a central processing unit (central processing unit, CPU), or m...

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Abstract

The embodiment of the invention discloses a data storage method and device, the method is applied to a storage device, and the storage device comprises at least two storage pages with different read-write delays. According to the method, first data and a time delay level identifier of the first data are acquired firstly, then a first storage page corresponding to the time delay level identifier isdetermined according to the corresponding relation between different types of storage pages and the time delay level identifier, and then the first data are written into the first storage page. Through the data storage method and device, data storage can be carried out according to different read-write delays of various storage pages included in the storage device, that is, according to the scheme disclosed by the embodiment of the invention, the difference of the read-write delays of various storage pages in the storage device is utilized, and hierarchical storage can be realized only by setting one storage device in a hierarchical storage system; therefore, the problem that an existing hierarchical storage system is complex in configuration is solved.

Description

technical field [0001] The present application relates to the field of storage technologies, and in particular to a data storage method and device. Background technique [0002] In order to realize hierarchical storage of data, a hierarchical storage system is usually used. Currently commonly used hierarchical storage systems are usually as follows: figure 1 As shown, the hierarchical storage system generally includes: a processor 110, an interface card 210, and various storage devices with different read and write delays connected to the processor 110 through the interface card 210. figure 1 In this example, the different types of storage devices may be the first storage device 310, the second storage device 320, and the third storage device 330, respectively. For example, in a hierarchical storage system, storage devices with different read and write latencies may be storage class memory (storage class memory, SCM), solid state disk (solid state disk, SSD) and hard disk ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0638G06F3/0679G06F3/0685G06F3/0658G06F2212/7208G06F2212/1024G06F12/0246G06F3/0659
Inventor 蒲贵友
Owner HUAWEI TECH CO LTD
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