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Centralized content addressed storage

  • US 9,317,222 B1
  • Filed: 04/24/2007
  • Issued: 04/19/2016
  • Est. Priority Date: 04/24/2006
  • Status: Active Grant
First Claim
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1. A method for providing data protection, comprising:

  • providing a virtualization layer on a computer architecture comprising a storage device storing a raw data set and a hardware subsystem;

    running a first instance of a content addressed storage (CAS) application on the virtualization layer to create a backup data set from the raw data set, wherein the virtualization layer shields the content addressed storage application from the hardware subsystem by presenting a representation of a set of components of the hardware subsystem to the first instance of the CAS application;

    running a second instance of the CAS application on the virtualization layer or on another virtualization layer, wherein both the first instance of the CAS application and the second instance of the CAS application are configured for backup operations and recovery operations; and

    storing the backup data set to the representation of the set of components, wherein the backup data set is stored in an archive mechanism, and wherein data in the backup data set stored in the archive mechanism and created by the first instance of the CAS application can be recovered and restored by the second instance of the CAS application,wherein the first instance of the CAS application and the second instance of the CAS application are configurable to operate as independent instances and are configurable to operate together as a single CAS system to backup the same raw data set.

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