Please download the dossier by clicking on the dossier button x
×

Method and system for providing substantially constant-time execution of a copy operation

  • US 8,484,164 B1
  • Filed: 10/23/2009
  • Issued: 07/09/2013
  • Est. Priority Date: 10/23/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • generating a snapshot of at least a portion of a data set managed by a storage server;

    performing a copy operation in the storage server to generate a copy of the data set separate from the snapshot, wherein performing the copy operation comprises defining a set of block locations containing null references, and replacing the contents of individual block locations with references to individual data segments;

    during the copy operation to generate the copy of the data set separate from the snapshot, receiving from a requester a first read request directed to the copy of the data set that the copy operation is to generate; and

    providing data from the snapshot to the requester by the storage server, in response to the first read request.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×