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Data reading method, data writing method and object file system

An object file system and data reading technology, which is applied in the input/output process of data processing, electrical digital data processing, instruments, etc., can solve the problems of potential safety hazards and the inability of the object file system to complete data reading operations, etc.

Active Publication Date: 2020-07-10
HANGZHOU HIKVISION SYST TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004]Because the mapping relationship between keywords and logical address ranges is uniformly stored in a storage device, if the storage device is damaged, the object file system will not be able to complete any Data read operation, so there are certain security risks in storing the mapping relationship in the storage device
In addition, the capacity of the storage device storing the mapping relationship also limits the growth of the capacity of the entire object file system

Method used

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  • Data reading method, data writing method and object file system
  • Data reading method, data writing method and object file system
  • Data reading method, data writing method and object file system

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Embodiment Construction

[0137] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0138] Before explaining a method for reading data and writing data provided by the embodiment of the present application, the application scenario of the embodiment of the present application is explained first.

[0139] In the data storage technology, in order to uniformly and effectively manage the stored data, the storage application server constructs an object file system based on all logical address ranges of the storage application server for multiple storage devices connected to the storage application server. That is, the object file system is deployed on the multiple storage devices. For the storage application server, the object file system is equivalent to a general block device with continuous storage space, and all ...

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Abstract

The invention discloses a data reading method, a data writing method and an object file system, and belongs to the technical field of computer storage. The object file system comprising a plurality ofobject blocks is constructed, and based on the object file system, when a data reading request carrying a first keyword is received, an identifier of a first object block is obtained by analyzing thefirst keyword, and then data stored in the first object block is obtained according to the identifier of the first object block. In the data reading process, the logic address section of the data does not need to be determined according to the keyword and the mapping relationship between the keyword and the logic address interval and then data is acquired from the logic address section, therefore, the mapping relationship does not need to be stored in the storage device in a centralized manner, and correspondingly, potential safety hazards caused by centralized storage of the mapping relationship do not exist. In addition, the mapping relation does not need to be used for obtaining the data, and therefore the capacity of the object file system is not limited by the capacity of the storagedevice storing the mapping relation.

Description

technical field [0001] The present application relates to the technical field of computer storage, in particular to a method for reading and writing data, and an object file system. Background technique [0002] With the development of computer storage technology, in order to improve the efficiency of accessing data, currently data is mainly stored in an object file system in a key-value (key-value) format. For any piece of data, the key of the data is generated by the data according to a certain algorithm, and the value of the data is the data itself. Therefore, the data can be read from the object file system through the key of the data. [0003] In related technologies, for each piece of data stored in the object file system, a mapping relationship between keywords and logical address ranges is generated in advance according to the keyword of each piece of data and the logical address range in which each piece of data is stored, and the mapping Relationships are stored i...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0643G06F3/064
Inventor 成佑林鹏叶敏
Owner HANGZHOU HIKVISION SYST TECH
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