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Distributed object-based storage system that stores virtualization maps in object attributes

A technology for object storage and storage systems, applied in file systems, instruments, computing, etc., can solve problems such as performance bottlenecks

Active Publication Date: 2007-09-19
PANASAS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In existing object-based storage systems, such as the aforementioned systems, the centralized storage of the metadata server's file object mappings and the requirement that the metadata server fetch each file object's mapping before a client can access the file object often leads to performance bottleneck

Method used

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  • Distributed object-based storage system that stores virtualization maps in object attributes
  • Distributed object-based storage system that stores virtualization maps in object attributes

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Embodiment Construction

[0013] Reference will now be made in detail to the preferred embodiments of the invention, examples illustrated in the accompanying drawings. It is to be understood that the drawings and description of the invention included in this application illustrate and describe elements that are particularly relevant to the invention, while ignoring other elements that may be found in a typical data storage system or network for the sake of clarity.

[0014] FIG. 1 shows a typical network-based file storage system designed according to an object-based secure disk (OBD) 20 . The file storage system 100 is realized by a combination of hardware and software units and generally includes manager software (simply, “manager”) 10 , OBD 20 , client 30 and metadata server 40 . It is to be understood that each manager is an application program code or software running on a corresponding server such as the metadata server 40 . Client 30 can run different operating systems, thereby providing an ope...

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PUM

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Abstract

A distributed object-based storage system and method includes a plurality of object storage devices for storing object components, a metadata server coupled to each of the object storage devices, and one or more clients that access distributed, object-based files on the object storage devices. A file object having multiple components on different object storage devices is accessed by issuing a file access request from a client to an object storage device for a file object. In response to the file access request, a map is located that includes a list of object storage devices where components of the requested file object reside. The map is stored as at least one component object attribute on an object storage device. The map is sent to the client which retrieves the components of the requested file object by issuing access requests to each of the object storage devices on the list.

Description

technical field [0001] The present invention relates generally to data storage methods, and more particularly to object-based methods in which a mapping of file objects is stored as at least one component attribute on an object storage device. Background technique [0002] With the increasing reliance on electronic devices for data communication, different models have been proposed for storing large amounts of data efficiently and economically. Data storage organizations not only require a sufficient amount of physical disk space to store data, but also various levels of fault tolerance or redundancy (depending on how critical the data is) to maintain data integrity in the event of one or more disk failures. [0003] In traditional networked storage systems, data storage devices such as hard disks are associated with specific servers or specific servers with specific backup servers. Therefore, access to the data storage device can only be through the server associated with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F17/30067G06F16/10
Inventor M·J·昂安格斯特S·A·莫耶
Owner PANASAS INC