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Method and apparatus for data loss assessment

  • US 10,592,326 B2
  • Filed: 03/07/2018
  • Issued: 03/17/2020
  • Est. Priority Date: 03/08/2017
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, by a secure processor housed in a disaster-proof casing located at a local site, recurring wireless signals from a primary application server and from a primary storage system that are collocated with the disaster-proof casing at the local site, the primary application server configured to store data to the primary storage system, and to mirror the data to a secondary storage system at a remote site, each of the wireless signals indicating a status of the primary application server or the primary storage system at a given time;

    storing, to a memory in the disaster-proof casing, a status log comprising the respective statuses of the primary application server and the primary storage system at the received times; and

    subsequent to failures of the primary application server, the primary storage system and the mirroring, analyzing the status log to compute a data loss at the local site resulting from the failures of the primary application server, the primary storage system, and the mirroring.

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