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Data processing method and device

A data processing device and data processing technology, applied in the storage field, can solve problems such as poor consolidation effect, reduced RAID system performance, and reduced execution efficiency of random lowercase commands, so as to achieve the effect of improving performance and improving execution efficiency

Active Publication Date: 2011-06-08
CHENGDU HUAWEI TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The inventor found in the process of researching the prior art that after the RAID received the random lowercase command, the caching effect on the merging of the random lowercase command was not very good, which would lead to a decrease in the execution efficiency of the random lowercase command and reduce the performance of the RAID system

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] Embodiments of the present invention provide a data processing method and a data processing device for realizing the method. In order to better understand the technical solutions of the embodiments of the present invention, the embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] see figure 1 , figure 1 It is a flow chart of the first embodiment of the data processing m...

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Abstract

The present invention discloses a data processing method and a data processing device. In the method embodiment of the present invention, when a received write request command is a random lowercase command, the data in the random lowercase command, needing to be written in, is sequentially written into a temporary storage block pool, and when the residual space of the temporary storage block pool is not bigger than the space required by a first write-in condition, according to the mapping list item corresponding to the first target address of the random lowercase command, the data in the temporary storage block pool is integrated into the corresponding first target address, thereby completing the execution process of the random lowercase command. According to the embodiment of the invention, the data is written into the continuous address space, which can improve the execution efficiency of the random lowercase command, and promote the performance of RAID (Redundant Arrays of Inexpensive Disk).

Description

technical field [0001] The present invention relates to the field of storage technology, in particular to a data processing method and device. Background technique [0002] Redundant Arrays of Inexpensive Disk (RAID, Redundant Arrays of Inexpensive Disk) is a kind of hard disk that combines multiple hard disks (Disk) into a virtual single large-capacity hard disk. Compared with the current traditional hard disk, it has faster read and write speed and is fault-tolerant. Function, so the use of RAID is becoming more and more extensive. The existing RAID is usually composed of a plurality of solid state disks (SSD, Solid State Disk). The solid state disks can only be erased in units of physical blocks (blocks) and sequentially written in units of physical pages (pages). [0003] In order to further improve the read and write performance of RAID, high-speed data cache technology is usually adopted in the prior art, that is, to increase the cache with faster read and write speed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
Inventor 林宇柯乔
Owner CHENGDU HUAWEI TECH
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