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POOL SPARES FOR DATA STORAGE VIRTUALIZATION SUBSYSTEM

  • US 20070078794A1
  • Filed: 10/09/2006
  • Published: 04/05/2007
  • Est. Priority Date: 10/11/2005
  • Status: Active Grant
First Claim
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1. A data storage virtualization subsystem (SVS) for providing data storage space to a host entity, the data storage virtualization subsystem comprising:

  • a storage virtualization controller (SVC) for connecting to the host entity; and

    at least one physical storage device (PSD) pool, comprising at least one PSD to store user data or associated redundant information; and

    a pool ID for each of the at least one PSD pool;

    whereby at least one PSD is designated as a pool spare PSD to a said at least one PSD pool.

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