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A method, apparatus and system for data manipulation

A data manipulation and data technology, applied in the computer field, can solve problems such as low efficiency

Active Publication Date: 2019-05-21
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a data operation method, device and system to solve the problem in the prior art that the CPU performs data operations on block devices with low efficiency

Method used

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  • A method, apparatus and system for data manipulation
  • A method, apparatus and system for data manipulation
  • A method, apparatus and system for data manipulation

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Embodiment Construction

[0073] 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.

[0074] In all embodiments of this solution, the data operation includes a data write operation and a data read operation, wherein the read instruction may be a load instruction, and the write instruction may be a store instruction.

[0075] The embodiment of the present invention provides a data operation method, the data operation is a data read operation, such as figure 1 As shown, the method includes:

[0076] S101. The storage control device receives a re...

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Abstract

Embodiments of the present invention provide a data operation method, device, and system, which relate to the field of computers and solve the problem of low efficiency of data operations performed by a CPU on a block device in the prior art. The method includes: receiving an operation instruction sent by the CPU; when the operation instruction is a read instruction, reading the first data block in the block device, and returning the data to be read in the first data block to the CPU; When the operation instruction is a write instruction, the data to be written indicated by the write instruction is written into the cache, and the second data block including the data to be written is written into the block device. This method is used to operate on the data in the block device.

Description

technical field [0001] The present invention relates to the computer field, in particular to a data operation method, device and system. Background technique [0002] The UAS (Unified Accessing Storage, integrated storage) system includes a variety of storage devices with different characteristics, such as DRAM (Dynamic Random Access Memory, dynamic random access memory), NVM (Non-VolatileMemory, non-volatile memory), Flash- based SSD (Flash-based Solid State Disk, Flash-based solid state drive) and HDD (Hard Disk, disk). Among them, DRAM and NVM are character devices, which support reading and writing data by byte / character, and are generally used as memory; Flash-based SSD and HDD are block devices, and data reading and writing of such devices can only be done at a block granularity It is generally used as external storage. Block devices do not support byte-based addressing. Usually, the granularity of a block is 512B (Byte, byte). [0003] In the prior art, for data acc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F12/0868G06F12/0871G06F12/121
CPCG06F3/0673G06F12/0871G06F12/121G06F3/061G06F3/064G06F3/0656G06F12/0868G06F2212/1016G06F2212/312G06F2212/461G06F3/0659G06F3/0676G06F12/00
Inventor 夏飞陈明宇蒋德钧熊劲
Owner HUAWEI TECH CO LTD