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Attribute extensible object file system

An object file system and object technology, applied in the direction of instruments, computing, electrical digital data processing, etc., to achieve the effects of improved efficiency, good scalability, and high efficiency

Inactive Publication Date: 2006-10-11
HUAZHONG UNIV OF SCI & TECH
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although this method greatly saves storage space, an allocation operation requires two accesses to the group descriptor and the free index node bitmap in the group

Method used

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  • Attribute extensible object file system
  • Attribute extensible object file system

Examples

Experimental program
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Embodiment Construction

[0030] Objects in the OSD are divided into four categories: root objects, partition objects, collection objects, and user objects.

[0031] Each OSD has one and only one root object, which contains a series of partition objects. Its attributes describe the characteristics of the OSD, such as total capacity, the maximum number of objects that can be stored, and information related to data integrity; its data contains a series of items, each item describes a partition object in this root object Mapping with corresponding object index nodes.

[0032] A partition object contains a group of user objects, which have some common attributes; a partition object can also contain zero or more collection objects. The attributes of the partition object describe the number of user objects in the partition object, the space occupied by the user objects, the collection object data, the space occupied by the collection objects, and so on. The data of the partition object contains a series of...

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Abstract

The invention relates to an object document system with expandable functions. It comprises: a document building system module for setting the basic information of document system; an object character operating module for reading, setting or writing the object characters; an object data operating module for reading or writing object data; object index node manage module for distributing, setting or recycling the object index note; a data manage module for distributing and recycling the blocks of data section; a OSD initialize module; an object index note catch module; an object operational judge module and an object ID distribute module. The invention has better reliability and high efficiency, while it can distribute the object index note only by reading the group information list directly. The invention has better expandable property on the object character, to optimize the organization of OSD to improve efficiency, and make the OSD know the external condition better, to manage the resource more reasonably, to improve the hit radio and prefetch efficiency of Cache.

Description

technical field [0001] The invention belongs to the technical field of computer storage, and in particular relates to an object file system (SAOFS) with scalable attributes. Background technique [0002] With the increasing complexity of information storage applications and the dramatic increase in storage capacity, a new generation of distributed file systems needs to support high-performance computing environments with high reliability and scalability. To meet this requirement, the traditional distributed file system is divided into two logical components according to function: file management component and storage management component. The file management component provides the user with a user call interface through the logical data structure to realize hierarchical management, naming and access control; the storage management component maps these logical data structures to the underlying physical storage medium to realize physical storage. In the new generation of larg...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 周功业陈进才雷伟李漪吴伟杰易佳
Owner HUAZHONG UNIV OF SCI & TECH
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