Method for remote data back up with de-duplication and recovery from clustered secondary storage arrays
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United States of America Patent
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Feb 5, 2013
Grant Date -
Mar 18, 2010
app pub date -
Sep 17, 2008
filing date -
Sep 17, 2008
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Abstract
A method, system, and apparatus a method for remote data back up with de-duplication and recovery from clustered secondary storage arrays are disclosed. In one embodiment, a method includes writing a set of data of a primary storage module (e.g., may be coupled to the secondary storage cluster with a fiber channel network) to a secondary storage module of a secondary storage cluster, writing an other set of data of the primary storage module to an other secondary storage module coupled to the secondary storage module, writing the set of data from the secondary storage module to the other secondary storage module of the secondary storage cluster (e.g., the other secondary storage module may contain both the set of data and the other set of data), and writing the other set of data from the other secondary storage module to the secondary storage module.
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