Intellectual Ventures II LLC

Miralink Corporation

Ron McCabe

Tracy Camp

Stuart William Card

David J Schroeder

Robert Church

Methods, systems, and configured storage media are provided for flexible data mirroring. In particular, the invention provides many-to-one data mirroring, including mirroring from local servers running the same or different operating systems and/or file systems at two or more geographically dispersed locations. The invention also provides one-to-many data mirroring, mirroring with or without a dedicated private telecommunications link, and mirroring with or without a dedicated server or another server at the destination(s) to assist the remote mirroring unit(s). In addition, the invention provides flexibility by permitting the use of various combinations of one or more external storage units and/or RAID units to hold mirrored data. Spoofing, SCSI and other bus emulations, and further tools and techniques are used in various embodiments of the invention.

Flexible remote data mirroring

Methods, systems, and configured storage media are provided for flexible data mirroring. In particular, the invention provides local-remote role reversal, implementation of hot standby server status through a 'media not ready' signal, several alternate buffer contents and buffering schemes, transactioning, many-to-one mirroring through use of 'virtual' remote mirroring units, identification of frequently accessed data without application-specific knowledge but based instead on an application's logged and analyzed behavior, and use of the secondary server in a non-authoritative manner.

Methods for insurance of online presence () and/or data () are described. An insurer () contracts with an insured entity () in an agreement () under which a premium () is paid for insurance coverage. The premium is calculated () using a pure premium method () or a loss ratio premium method (), in a manner that depends on factors such as expected virus scan results (), expected data recovery time (), expected geographic spread (), use of multiple recovery methods (), and other information regarding the insured entity's business and the technical protection services () to be used. In some embodiments, the technical protection services are provided under the agreement by a third party technical services provider (). Systems, signals, and configured media are also described.

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Ron McCabe