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Method and system for recovering data objects in a distributed data storage system

A technology of distributed data and data objects, which is applied in the input/output process of data processing, redundancy in calculation, error detection of data, transmission system, etc., and can solve the problem of unavailable, location and availability information is not easy to obtain Extension etc.

Active Publication Date: 2015-06-10
INT BUSINESS MASCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the size and distribution of resources in large-scale data storage systems, information about the location and availability of replicas across multiple data centers and clusters is not easily scalable, and then not available to all nodes across multiple data centers

Method used

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  • Method and system for recovering data objects in a distributed data storage system
  • Method and system for recovering data objects in a distributed data storage system
  • Method and system for recovering data objects in a distributed data storage system

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Embodiment Construction

[0017] In the following, numerous specific details are set forth in order to provide a thorough description of various embodiments. Certain embodiments may be practiced without or with some variation of these specific details. In some instances, certain features have not been described in detail in order not to obscure other aspects. The level of detail associated with each of the elements or features should not be construed as limiting the novelty or significance of one feature over other features.

[0018] refer to Figure 1A , which illustrates a computing environment that implements data recovery in a data storage system that replicates copies (ie, replicas) of data objects across multiple data centers. As shown, multiple data centers (eg, data center 1, data center 2, etc.) may be implemented, where a data center is composed of one or more clusters (eg, cluster 101, cluster 201, etc.). The data center may also include one or more networks (eg, network 110, network 210, ...

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PUM

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Abstract

Machines, systems and methods for recovering data objects in a distributed data storage system, the method comprising storing one or more replicas of a first data object on one or more clusters in one or more data centers connected over a data communications network; recording health information about said one or more replicas, wherein the health information comprises data about availability of a replica to participate in a restoration process; calculating a query-priority for the first data object; querying, based on the calculated query-priority, the health information for the one or more replicas to determine which of the one or more replicas is available for restoration of the object data; calculating a restoration-priority for the first data object based on the health information for the one or more replicas; and restoring the first data object from the one or more of the available replicas, based on the calculated restoration-priority.

Description

[0001] Copyright and Trademark Notices [0002] Portions of the disclosure of this patent document may contain material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyrights whatsoever. [0003] Certain marks referenced herein may be common law or registered trademarks of the applicant, its assignee, or third parties affiliated or independent of the applicant or assignee. The use of these marks is used to provide authorized disclosure by way of example and should not be construed as limiting the scope of the disclosed subject matter exclusively to the material associated with such marks. technical field [0004] The disclosed subject matter relates generally to data recovery from remotely stored copies of data, and more particularly to systems and methods ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1662G06F11/2094H04L67/1097G06F16/245G06F11/1451G06F3/0619G06F3/064G06F3/0647G06F3/067G06F11/2069G06F2201/85G06F16/148
Inventor M·E·法克特D·哈达斯E·K·克洛德内尔
Owner INT BUSINESS MASCH CORP