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Large file storage system and large file processing method

A file system and large file technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problems of discontinuous data, slow disk access speed, etc., to improve read and write speed, simplify the structure , the effect of shortening the duration of the visit

Inactive Publication Date: 2020-05-12
SHENZHEN IPANEL TECH LTD
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Problems solved by technology

[0002] Existing file systems such as figure 1 As shown, large files are stored in an index mode, such as the EXT series, and redundant super block information and block group descriptor tables are stored in multiple block groups. For an ultra-large disk, the existing file system needs to The corresponding data is written in a block group, resulting in a very slow disk access speed. For example, the existing file system is in the form of a linked list for files, and the data is not continuous. When accessing files, it is necessary to locate them through indirect addressing. To the first piece of data, when accessing the second piece of data, address to the new disk address again for access

Method used

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  • Large file storage system and large file processing method
  • Large file storage system and large file processing method

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Embodiment Construction

[0027] Explanation of terms:

[0028] File system: It is the method and data structure used by the operating system to specify files on storage devices (commonly disks, and NAND Flash-based solid-state drives) or partitions; that is, the method of organizing files on storage devices. The software organization responsible for managing and storing file information in the operating system is called a file management system, or file system for short. The file system consists of three parts: the interface of the file system, the software collection for object manipulation and management, objects and attributes. From a system point of view, a file system is a system that organizes and allocates the space of a file storage device, is responsible for file storage, and protects and retrieves stored files. Specifically, it is responsible for creating files for users, storing, reading, modifying, and dumping files, controlling file access, and revoking files when users no longer use the...

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Abstract

The invention discloses a large file storage system and a large file processing method. The large file storage system comprises a super block area, an index node table area, an available data block area and a reserved data block area, according to the method, the large file is stored in the data block of the available data block area, redundancy of super block information and a block group descriptor table is avoided, a file system structure is simplified, a direct addressing mode is adopted, the disk access duration is shortened, and therefore the read-write speed is increased.

Description

technical field [0001] The invention relates to the technical field of large file storage, in particular to a large file storage file system and a large file processing method. Background technique [0002] Existing file systems such as figure 1 As shown, large files are stored in an index mode, such as the EXT series, and redundant super block information and block group descriptor tables are stored in multiple block groups. For an ultra-large disk, the existing file system needs to The corresponding data is written in a block group, resulting in a very slow disk access speed. For example, the existing file system is in the form of a linked list for files, and the data is not continuous. When accessing files, it is necessary to locate them through indirect addressing. When the first piece of data is accessed, when accessing the second piece of data, the new disk address is addressed again for access. Contents of the invention [0003] The object of the present invention...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/064G06F3/0644G06F3/0676
Inventor 徐佳宏刘勇李银
Owner SHENZHEN IPANEL TECH LTD
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