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System and method for reclaiming unused space from a thinly provisioned data container

  • US 20060085471A1
  • Filed: 10/15/2004
  • Published: 04/20/2006
  • Est. Priority Date: 10/15/2004
  • Status: Active Grant
First Claim
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1. A method for reclaiming unused space from a thinly provisioned data container served by a storage system, the method comprising the steps of:

  • determining one or more sets of blocks no longer in use on the thinly provisioned data container;

    sending a punch hole command to the storage system, the punch hole command identifying one or more sets of blocks no longer in use on the thinly provisioned data container; and

    in response to receiving the punch hole command, deallocating the one or more sets of blocks identified in the punch hole command.

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