Backup system
First Claim
1. Backup system for backing up basic data elements accessible via a network, the backup system comprising:
- A controller;
A communication interface, coupled with said controller and with said network;
A backup storage unit, coupled with said controller, for storing backup versions of said basic data elements;
A comparator, coupled with said controller, said backup storage unit and with said communication interface, for comparing between a list of basic data elements from a storage area of said network and a respective list of backed up basic data elements, thereby detecting new basic data elements listed in said list of basic data elements and absent from said respective list of backed up basic data elements, modified basic data elements listed in said list of data elements differently than in said respective list of backed up basic data elements and deleted basic data elements absent from said list of basic data elements and listed in said respective list of backed up basic data element;
wherein said controller backs up said storage area of said network by copying the entirety of said new basic data elements and said modified basic data elements into said backup storage unit, andwherein said controller produces a deleted-element indicator respective of each of said deleted basic data elements, in said backup storage unit.
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Abstract
Backup system for backing up basic data elements accessible via a network, the backup system comprising a controller, a communication interface, a backup storage unit, for storing backup versions of the basic data elements and a comparator, for comparing between a list of basic data elements from a storage area of the network and a respective list of backed up basic data elements, thereby detecting new basic data elements listed in the list of basic data elements and absent from the respective list of backed up basic data elements, modified basic data elements listed in the list of data elements differently than in the respective list of backed up basic data elements and deleted basic data elements absent from the list of basic data elements and listed in the respective list of backed up basic data elements, wherein the controller backs up the storage area of the network by copying the entirety of the new basic data elements and the modified basic data elements into the backup storage unit, and wherein the controller produces a deleted-element indicator respective of each of the deleted basic data elements, in the backup storage unit.
49 Citations
13 Claims
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1. Backup system for backing up basic data elements accessible via a network, the backup system comprising:
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A controller; A communication interface, coupled with said controller and with said network; A backup storage unit, coupled with said controller, for storing backup versions of said basic data elements; A comparator, coupled with said controller, said backup storage unit and with said communication interface, for comparing between a list of basic data elements from a storage area of said network and a respective list of backed up basic data elements, thereby detecting new basic data elements listed in said list of basic data elements and absent from said respective list of backed up basic data elements, modified basic data elements listed in said list of data elements differently than in said respective list of backed up basic data elements and deleted basic data elements absent from said list of basic data elements and listed in said respective list of backed up basic data element; wherein said controller backs up said storage area of said network by copying the entirety of said new basic data elements and said modified basic data elements into said backup storage unit, and wherein said controller produces a deleted-element indicator respective of each of said deleted basic data elements, in said backup storage unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. Method for backing up basic data elements accessible via a network, the method comprising the procedure of:
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accessing a data storage area at selected points in time; retrieving a list of basic data elements from said data storage area; selecting different between said list of basic data elements and a respective list of backed up basic data element; storing a backup copy of a new basic data element by copying the entirety of said new basic data element from said data storage, when said new basic data element is listed in said list of basic data element and absent from said respective list of backed up basic data elements; storing a backup copy of modified basic data element by copying the entirety of said modified basic data element from said storage data storage, when said modified basic data element is listed in said list of data elements differently than in said respective list of backed up data elements; and producing a deleted-element indicator respective of a deleted basic data element, when said deleted basic data element is listed in said respective list of backup basic data elements and absent from said list of basic data elements. - View Dependent Claims (10, 11, 12, 13)
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Specification