File backup apparatus and method for backing up one or more directories
First Claim
Patent Images
1. A file backup apparatus for backing up one or more directories comprising:
- an estimation unit configured to estimate whether a particular file has been changed in a particular directory based on directory property information of all directories accessible by the estimation unit, wherein each accessible director contains one set of directory property information specific to that accessible directory; and
a backup unit configured to select the entire particular directory for backing up in response to the particular directory being estimated to have the particular file changed, whereinthe estimation unit, the backup unit, or any combination thereof is implemented by at least one computer processor, andthe estimation unit is further configured to access all the accessible directories and estimate whether at least a file has been changed in all the accessible directories prior to the backup unit selecting the directories to be backed up;
whereinthe backup unit is further configured to back up a directory in response to the directory not having been selected to be backed up and not having been backed up for a predefined period of time.
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Abstract
A file backup apparatus and method estimates whether a file has been changed in a directory based on directory property information, and backs up the directory which includes a changed file according to the estimation result.
21 Citations
14 Claims
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1. A file backup apparatus for backing up one or more directories comprising:
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an estimation unit configured to estimate whether a particular file has been changed in a particular directory based on directory property information of all directories accessible by the estimation unit, wherein each accessible director contains one set of directory property information specific to that accessible directory; and a backup unit configured to select the entire particular directory for backing up in response to the particular directory being estimated to have the particular file changed, wherein the estimation unit, the backup unit, or any combination thereof is implemented by at least one computer processor, and the estimation unit is further configured to access all the accessible directories and estimate whether at least a file has been changed in all the accessible directories prior to the backup unit selecting the directories to be backed up;
whereinthe backup unit is further configured to back up a directory in response to the directory not having been selected to be backed up and not having been backed up for a predefined period of time. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A file backup method for backing up one or more directories comprising:
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estimating within all accessible directories whether a particular file has been changed in a particular directory based on directory property information, wherein each accessible directory contains one set of director property information specific to that accessible directory; and backing up the entire particular directory in response to the particular directory being estimated to have the particular file changed, wherein the estimating operation, the backing up operation, or any combination thereof is implemented by at least one computer processor, and the estimating further comprises accessing all the accessible directories and estimating whether at least a file has been changed in all the accessible directories, prior to selecting the particular directory to be backed up; wherein the method further comprises backing up a directory in response to the directory not having been selected to be backed up and not having been backed for a predefined period of time. - View Dependent Claims (8, 9, 10, 11)
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12. A non-transitory computer-readable storage medium having stored thereon executable instructions which when executed b at least a computer processor implements a method for backing up one or more directories, comprising:
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estimating within all accessible directories whether a particular file has been changed in a particular directory based on director property information, wherein each accessible directory contains one set of directory property information specific to that accessible directory; and selecting the entire particular directory for backing up in response to the particular director being estimated to have the articular file changed, wherein the estimating operation, the backing up operation, or an combination hereof is implemented by at least one computer processor, and the estimating further comprises accessing all the accessible directories and estimating whether at least a file has been changed in all the accessible directories, prior to selectin the particular director to be backed up, wherein the instructions are further configured to back up a directory in response to the directory not having been selected to be backed up and not having been backed up for a redefined period of time. - View Dependent Claims (13, 14)
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Specification