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Extension of write anywhere file system layout

  • US 8,583,892 B2
  • Filed: 01/16/2012
  • Issued: 11/12/2013
  • Est. Priority Date: 04/30/2004
  • Status: Active Grant
First Claim
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1. A data storage system, comprising:

  • a processor configured to execute a storage operating system, the storage operating system, when executed, configured to implement a physical volume including a plurality of data storage devices, wherein the physical volume has a physical address space;

    one or more logical volumes overlaid onto the physical volume, wherein each logical volume has a separate logical volume address space, and wherein each block within the logical volume is identified with a logical volume address associated with the separate logical volume address space; and

    a logical volume data container of the logical volume, the logical volume data container stored in the physical volume and having physical blocks associated with the logical volume, wherein a pointer to a first block within the logical volume data container includes a physical address of the first block within the physical address space, and wherein the logical volume address, associated with the first block, is configured to store the logical volume data container.

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