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REPLICATION TECHNIQUES WITH CONTENT ADDRESSABLE STORAGE

  • US 20120317353A1
  • Filed: 06/13/2011
  • Published: 12/13/2012
  • Est. Priority Date: 06/13/2011
  • Status: Active Grant
First Claim
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1. A CAS data storage system comprising:

  • at least one source CAS data storage spaceat least one destination CAS data storage space, anda communication line connecting said source storage space and said destination storage space, and wherein input data for storage in said system arrives at said source storage space for storage at said source storage space and to be replicated to said destination storage space, the source storage space further comprising an active buffer of incoming data for replication to said destination storage space, said active buffer configured to hold for each of a plurality of data items of said incoming data, a hash result of the respective data item and an address, the system being configured to detect whenever there is more than one data item in said active buffer sharing a same address and upon such detection to transfer a respective hash result of only a last of said data items sharing said same address, to said destination storage space.

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