Patents by Inventor Prem Anand Ramanathan

Prem Anand Ramanathan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method, system, and computer readable medium for asynchronously processing write operations for a data storage volume having a copy-on-write snapshot
    Patent number: 8438353
    Abstract: A method, system, and computer readable medium for asynchronously processing write operation on a volume having copy-on-write snapshots. In one embodiment, the method comprises the steps of: updating a normal mirror with write data associated with a write operation for the volume; asynchronously copying the write data from an asynchronous mirror to at least one copy-on-write snapshot; and, once the at least one copy-on-write snapshot is updated, updating the asynchronous mirror with the write data from the normal mirror.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: May 7, 2013
    Assignee: Symantec Operating Corporation
    Inventors: Prem Anand Ramanathan, Niranjan Sanjiv Pendharkar, Subhojit Roy
  • Method, system, and computer readable medium for asynchronously processing write operations for a data storage volume having a copy-on-write snapshot
    Patent number: 7979651
    Abstract: A method, system, and computer readable medium for asynchronously processing write operation on a volume having copy-on-write snapshots. In one embodiment, the method comprises the steps of: updating a normal mirror with write data associated with a write operation for the volume; asynchronously copying the write data from an asynchronous mirror to at least one copy-on-write snapshot; and, once the at least one copy-on-write snapshot is updated, updating the asynchronous mirror with the write data from the normal mirror.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: July 12, 2011
    Assignee: Symantec Operating Corporation
    Inventors: Prem Anand Ramanathan, Niranjan Sanjiv Pendharkar, Subhojit Roy