Data Recovery Systems and Methods
First Claim
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1. A nearline disaster recovery storage system, the system comprising:
- a first site having a server supporting an operating system;
a data set generated and stored at the first site;
a backup data set duplicative of the data set, the backup data set being generated and stored at the first site;
a second site separated from the first site, the second site comprising;
a storage facility for the backup data set; and
a second server; and
a virtual application server comprising the operating system and a means for allowing remote access to the virtual application server;
a second data set generated and stored at the second site;
a second backup data set duplicative of the second data set, the second backup data set being generated and stored at the second site;
at least one tertiary site separated from the first site and the second site, the tertiary site comprising;
a tertiary storage facility for the second backup data set; and
a tertiary server; and
a tertiary virtual application server comprising the operating system and the means for allowing remote access to the tertiary virtual application server; and
a network connecting the first site, the second site and the at least one tertiary site;
wherein the backup data set is transported from the first site to the second site over the network after the generation of the backup data set;
wherein the second server restores the backup data set to a native format;
wherein after the backup data set is restored, in the event the first site becomes unusable, the virtual application server can attach to the backup data set;
wherein the second backup data set is transported from the second site to the at least one tertiary site over the network after the generation of the second backup data set;
wherein the at least one tertiary site restores the second backup data set to a native format;
wherein after the second backup data set is restored, in the event the first site and the second site become unusable, the tertiary virtual application server can attach to the second backup data set.
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Abstract
Nearline disaster recovery (“nearline DR”) storage systems and methods that permit the use of previously restored stored data from a near time period by virtual applications operating off a backup storage location during the period of disaster recovery at a primary site. This is generally referred to as a “nearline DR storage process.”
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Citations
13 Claims
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1. A nearline disaster recovery storage system, the system comprising:
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a first site having a server supporting an operating system; a data set generated and stored at the first site; a backup data set duplicative of the data set, the backup data set being generated and stored at the first site; a second site separated from the first site, the second site comprising; a storage facility for the backup data set; and a second server; and a virtual application server comprising the operating system and a means for allowing remote access to the virtual application server; a second data set generated and stored at the second site; a second backup data set duplicative of the second data set, the second backup data set being generated and stored at the second site; at least one tertiary site separated from the first site and the second site, the tertiary site comprising; a tertiary storage facility for the second backup data set; and a tertiary server; and a tertiary virtual application server comprising the operating system and the means for allowing remote access to the tertiary virtual application server; and a network connecting the first site, the second site and the at least one tertiary site; wherein the backup data set is transported from the first site to the second site over the network after the generation of the backup data set; wherein the second server restores the backup data set to a native format; wherein after the backup data set is restored, in the event the first site becomes unusable, the virtual application server can attach to the backup data set; wherein the second backup data set is transported from the second site to the at least one tertiary site over the network after the generation of the second backup data set; wherein the at least one tertiary site restores the second backup data set to a native format; wherein after the second backup data set is restored, in the event the first site and the second site become unusable, the tertiary virtual application server can attach to the second backup data set. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for restoring business continuity in the event of a disaster that destroys data, the method comprising:
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destroying of data at a first data site; activating a data recovery production environment; loading the data recovery production environment onto one or more virtual application servers; attaching a restored data set duplicative of the data to the data recovery production environment; making the restored data set live and available for use over the virtual application servers. - View Dependent Claims (11, 12)
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13. A disaster recovery data site, the site comprising:
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a server; a data storage facility; a virtual application server comprising an operating system and a means for allowing remote access to the virtual application server; and a network connecting the disaster recovery site to a plurality of sites, allowing for the transfer and receipt of data; wherein the disaster recovery site receives a backup data set over the network; wherein the server restores the backup data set to a native format; wherein after the backup data set is restored the virtual application server can attach to the backup set.
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Specification