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Data management tier coupling primary storage and secondary storage

  • US 9,672,165 B1
  • Filed: 05/21/2014
  • Issued: 06/06/2017
  • Est. Priority Date: 05/21/2014
  • Status: Active Grant
First Claim
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1. A method of storing data in a storage system, comprising:

  • writing data, from a virtual machine in a compute node, to a temporary storage in the compute node and coupled to the virtual machine and in parallel with the writing data to the temporary storage, reflecting the write onto another compute node;

    copying data from the temporary storage to a primary storage coupled to the virtual machine;

    reading data from the temporary storage;

    sending the data that is read from the temporary storage in the compute node to a data node;

    writing the data that is read from the temporary storage in the compute node to an intermediate storage coupled as direct attached storage to the data node; and

    writing a second copy of data from the intermediate storage to a secondary storage; and

    reusing space in the temporary storage, responsive to the sending the data from the temporary storage to the data node.

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