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Filesystem backup using changelog

A file system and log technology, which is used in the generation of response errors, special data processing applications, and redundant data error detection in operations, which can solve problems such as inconvenience and slow computer response.

Active Publication Date: 2015-09-23
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While effective in many situations, this method is often not portable and may cause the computer to be less responsive at certain times during the backup process

Method used

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  • Filesystem backup using changelog
  • Filesystem backup using changelog
  • Filesystem backup using changelog

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] definition

[0020] As used herein, the term "comprising" and variations thereof should be understood as open-ended terms meaning "including but not limited to". The term "or" should be read as "and / or" unless the context clearly dictates otherwise. The term "based on" should be understood as "based at least in part on". The terms "one embodiment" and "an embodiment" should be read to mean "at least one embodiment." The term "another embodiment" should be read as "at least one other embodiment".

[0021] As used herein, terms such as "a", "an" and "the" include one or more of the indicated item or operation. In particular, in the claims, a reference to an item generally means that there is at least one such item, and a reference to an operation means performing at least one instance of the operation.

[0022] The terms "first," "second," "third," etc. are sometimes used herein. The use of these terms does not imply a ranking, rather they are used for identificati...

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PUM

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Abstract

Aspects of the subject matter described herein relate to backups and change journals. In aspects, a change journal is read to determine changes that have occurred to objects of a file system. From these changes a data structure is created to capture path information and collect changes for each object. Where the data structure is insufficient to identify a complete path, the live file system is consulted. After the data structure is complete, a data protection engine uses the data structure to update a catalog at least to provide the capability to view the namespace of the protected objects at one or more times covered by the catalog.

Description

Background of the invention [0001] Many people who have used a computer will recognize the value of backing up the data that resides on the computer. One method for performing data backups on a computer is to take the computer offline, run a backup application to copy the data on the computer, and then bring the computer back online. This approach is generally unacceptable because the user cannot use the computer while the backup is being performed. [0002] Another way to perform data backups on a computer is to take a snapshot of the file system and then copy the files from the snapshot to the backup target. While effective in many situations, this method is usually not portable and may cause the computer to be unresponsive at certain times during the backup process. [0003] The subject matter claimed herein is not limited to embodiments that solve any disadvantages and that only work in the environment described above. Rather, this background is merely provided to illus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14G06F17/30
CPCG06F17/30073G06F11/1451G06F17/30144G06F17/30191G06F11/1458G06F2201/84G06F16/128G06F16/113G06F16/1815G06F16/2358G06F16/1734
Inventor B.N.贝姆A.A.多施J-L.庞G.B.利亚克霍维特斯基S.C.黑夫瓦拉
Owner MICROSOFT TECH LICENSING LLC