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Snapshot reset method and apparatus

  • US 8,200,631 B2
  • Filed: 05/15/2010
  • Issued: 06/12/2012
  • Est. Priority Date: 06/25/2007
  • Status: Expired due to Fees
First Claim
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1. A device for controlling a storage system, comprising:

  • a processor; and

    a memory, coupled to the processor, comprising;

    a reset application adapted to receive a reset command and in response to receiving the reset command, save partition attributes of a first snapshot of a master volume, delete the first snapshot, create a second snapshot and copy the saved partition attributes of the first snapshot to the second snapshot,wherein a first array partition comprising the saved partition attributes provides access to a virtual disk drive comprising at least one of read and write fixed memory block addresses, wherein the reset application is adapted to mark the first snapshot for reset, then mark the first snapshot for deletion, wherein the reset application creates the second snapshot while transferring the first array partition to the second snapshot, wherein after the first array partition has been associated with the second snapshot, release the reset mark associated with the first snapshot thereby allowing the first snapshot to be deleted, wherein the saved partition attributes comprises at least one of a volume name, Logical Unit Number (LUN), Serial Number, and zoning on the LUN.

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