Remote data mirroring system
First Claim
Patent Images
1. A method for data protection, comprising:
- accepting data for storage from one or more data sources, including access control data that is acquired by a security access control system;
sending the data for storage in a storage device;
temporarily storing records associated with at least part of the data that is relevant to investigation of disaster events, including a portion of the access control data that is acquired immediately before or during an event damaging the storage device, in a disaster-proof storage unit; and
when the event damaging the storage device occurs, investigating the event using the records that are stored in the disaster-proof storage unit and are associated with the portion of the access control data,and comprising detecting the event using a detection mechanism in the disaster-proof storage unit, and modifying operation of the disaster-proof storage unit responsively to detecting the event,wherein modifying the operation comprises transmitting the record from the disaster-proof storage unit over a wireless communication link,wherein temporarily storing the records comprises storing the records in two or more disaster-proof storage units, and wherein transmitting the record comprises transmitting two or more different parts of the record respectively from the two or more disaster-proof storage units over respective wireless links so as to shorten a transmission time of the records.
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Accused Products
Abstract
A method for data protection includes accepting data for storage from one or more data sources (24). The data is sent for storage in a primary storage device (28) and in a secondary storage device (32). While awaiting an indication of successful storage of the data in the secondary storage device, a record associated with the data is temporarily stored in a disaster-proof storage unit (48) adjacent to the primary storage device. When an event damaging at least some of the data in the primary storage device occurs, the data is reconstructed using the record stored in the disaster-proof storage unit and at least part of the data stored in the secondary storage device.
75 Citations
15 Claims
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1. A method for data protection, comprising:
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accepting data for storage from one or more data sources, including access control data that is acquired by a security access control system; sending the data for storage in a storage device; temporarily storing records associated with at least part of the data that is relevant to investigation of disaster events, including a portion of the access control data that is acquired immediately before or during an event damaging the storage device, in a disaster-proof storage unit; and when the event damaging the storage device occurs, investigating the event using the records that are stored in the disaster-proof storage unit and are associated with the portion of the access control data, and comprising detecting the event using a detection mechanism in the disaster-proof storage unit, and modifying operation of the disaster-proof storage unit responsively to detecting the event, wherein modifying the operation comprises transmitting the record from the disaster-proof storage unit over a wireless communication link, wherein temporarily storing the records comprises storing the records in two or more disaster-proof storage units, and wherein transmitting the record comprises transmitting two or more different parts of the record respectively from the two or more disaster-proof storage units over respective wireless links so as to shorten a transmission time of the records. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for data protection, comprising:
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accepting data from a data source for storage in a primary storage device located at a local site; periodically sending the data for backup in a backup storage device located at a remote site by means of a sequence of backup operations; temporarily storing in a disaster-proof storage unit, which is collocated with the primary storage device at the local site, records associated with at least part of the data that is accepted during a time interval between successive backup operations in the sequence; and when an event damaging at least some of the data in the primary storage device occurs during the time interval, reconstructing the data using the records stored in the disaster-proof storage unit.
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14. A method for data protection, comprising:
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accepting data for storage from a data source; sending the data for storage in a primary storage device located at a local site, while mirroring the data in a secondary storage device located at a remote site; temporarily storing at least part of the data in a disaster-proof storage unit collocated with the primary storage device at the local site; and when an event damaging at least some of the data in the primary storage device occurs at the site, reconstructing the data using the at least part of the data stored in the disaster-proof storage unit.
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15. A computer software product for data protection, the product comprising a computer-readable medium, in which program instructions are stored, which instructions, when read by a computer, cause the computer to accept data from one or more data sources sent for storage in primary and secondary storage devices, which are located respectively in a local site and a remote site, and to temporarily store a record associated with the data in a disaster-proof storage unit collocated with the primary storage device at the local site, while awaiting an indication of successful storage of the data in the secondary storage device.
Specification