Restore process using incremental inversion
First Claim
1. A method for creating an inversion patch, comprising:
- receiving, at a datacenter, information concerning a target file version that resides at the datacenter and that is associated with a file stored locally at a client, wherein the information includes an identification of the file and an identification of the target file version;
identifying byte ranges of the locally stored file, wherein the identified byte ranges include bytes of the locally stored file that were changed after the target file version was created;
combining the identified byte ranges to form a unified set of byte ranges;
identifying original content of the changed bytes in the unified set of byte ranges; and
creating an inversion patch that includes the original content.
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Abstract
In one example, a method is provided for creating an inversion patch that can be used to locally restore a file to an earlier version of that file. Initially, a datacenter receives information concerning a target file version that resides at the datacenter and that is associated with a file stored locally at a client. The information includes an identification of the file and an identification of the target file version. Next, byte ranges are identified that are affected by changes that took place with respect to the file after the target file version was created. The byte ranges are then combined to form a unified set of byte ranges. Finally, the original content of the byte ranges in the unified set is identified and used to create the inversion patch.
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Citations
14 Claims
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1. A method for creating an inversion patch, comprising:
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receiving, at a datacenter, information concerning a target file version that resides at the datacenter and that is associated with a file stored locally at a client, wherein the information includes an identification of the file and an identification of the target file version; identifying byte ranges of the locally stored file, wherein the identified byte ranges include bytes of the locally stored file that were changed after the target file version was created; combining the identified byte ranges to form a unified set of byte ranges; identifying original content of the changed bytes in the unified set of byte ranges; and creating an inversion patch that includes the original content. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A non-transitory storage medium having stored therein computer-executable instructions which, when executed by one or more hardware processors, perform the following operations:
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receiving, at a datacenter, information concerning a target file version that resides at the datacenter and that is associated with a file stored locally at a client, wherein the information includes an identification of the file and an identification of the target file version; identifying byte ranges of the locally stored file, wherein the identified byte ranges include bytes of the locally stored file that were changed after the target file version was created; combining the identified byte ranges to form a unified set of byte ranges; identifying original content of the changed bytes in the unified set of byte ranges; and creating an inversion patch that includes the original content. - View Dependent Claims (14)
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Specification