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DATA MANAGEMENT METHOD FOR NETWORK STORAGE SYSTEM AND THE NETWORK STORAGE SYSTEM BUILT THEREOF

  • US 20090177860A1
  • Filed: 02/23/2006
  • Published: 07/09/2009
  • Est. Priority Date: 02/23/2005
  • Status: Active Grant
First Claim
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1. A data management method for network storage system that said network storage system includes storage network, clusters of storage servers that provide data storage services to the application servers connecting, to said storage network and storage space corresponding to each storage server, which said data includes the raw data that accessed by the application servers and metadata corresponding to the storage servers, setting a core manager in storage server, said core manager centralizing the metadata of all storage servers in a common storage space, separating the metadata from said storage servers to make a storage server become a storage manager and the storage spaces corresponding to each storage server form the common storage space, allocating the storage space of metadata in said common storage space, and managing the corresponding relationship between metadata and said storage manager.

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