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Data storage method and data storage system for self-contained application

A data storage system and data storage technology, which are applied in the direction of electrical digital data processing, input/output process of data processing, inductive record carrier, etc., can solve problems such as low export efficiency, and achieve fast data export speed, simple and stable implementation The effect of write performance

Active Publication Date: 2019-08-06
THE FIRST INST OF OCEANOGRAPHY SOA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When data is exported, it can only be read one by one, and the export efficiency is low

Method used

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  • Data storage method and data storage system for self-contained application
  • Data storage method and data storage system for self-contained application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A self-contained application-oriented data storage method, the method first separates the data storage and file system information writing process, according to the number and capacity of the card in the system, plans the data format and location of the file system, and stores the data The storage and file system related operations are performed separately; multiple SD / TF cards are mapped to a virtual SD / TF card, and the collected data is written into each SD / TF card in turn in turn; from the entire virtual SD / TF card From the perspective of SD / TF cards, the storage format and location of data meet the needs of building a file system, which is convenient for subsequent direct reading from the host computer; from the perspective of multiple physical SD / TF cards, the data of the same file is divided into blocks and parallelized Writing to each SD / TF card can support parallel reading through the multi-card controller in the subsequent reading process from the host computer....

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Abstract

The invention relates to a data storage method and data storage system for a self-contained application, and belongs to the marine instrument field. According to the method, a plurality of SD / TF cardsare mapped into a virtual SD / TF card, collected data are sequentially written into the SD / TF cards in turn for storage; for the whole system, the write-in process is that the data is sequentially andalternately written into the SD / TF cards, the throughput of the SD / TF cards is fully utilized, and stable SD / TF card write-in performance is obtained to the maximum extent; and the data of the same file is written into each SD / TF card in parallel in a partitioning manner, so that the parallel reading through the multi-card controller can be supported in the subsequent reading process from the computer host. A required file system is unifiedly constructed, the data can be directly read by a computer, the reading process can be read from a plurality of SD / TF cards in parallel, and the data exporting speed is higher.

Description

technical field [0001] The invention belongs to the field of marine instruments, and in particular relates to a self-contained application-oriented data storage method and a storage system. Background technique [0002] Self-contained acquisition equipment is currently widely used in the field of marine instruments. The characteristic of the self-contained collection equipment storage system is that the sampling data is stored sequentially and exported in batches after the equipment is recycled. Self-contained collection usually has a long working time and a large amount of data; during the storage process, the data storage rate is required to be stable, and the data should not be lost; the data export process is fast, simple, and easy to use. Considering the requirements of implementation complexity, cost, power consumption, etc., SD / TF cards are usually used to store sampling data, and file systems are used to organize data files and export them. [0003] The traditional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06K7/00
CPCG06F3/061G06F3/0658G06F3/0679G06K7/0034
Inventor 姜莹颜曦杨志国
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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