Patents by Inventor Dmitry Ashkadov

Dmitry Ashkadov 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).

  • Patent number: 11340818
    Abstract: Migrating virtual tapes between different virtual tape storages without host involvement is described herein. A system as described herein can include a local tape library comprising respective storage devices; a memory that stores executable components; and a processor that executes the executable components stored in the memory. The executable components can comprise a connection component that establishes a first connection to a host system and a second connection to an external tape library; a request processing component that receives an access request for a requested storage device from the host system via the first connection; and a proxy component that accesses the requested storage device at the outside tape library via the second connection and enables access to the requested storage device by the host system via the first connection in response to the requested storage device being determined to be absent from the local tape library.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 24, 2022
    Assignee: EMC IP Holding Company LLC
    Inventors: Dmitry Ashkadov, Yuri Kotov, Vladislav Alekseev
  • Publication number: 20210026552
    Abstract: Migrating virtual tapes between different virtual tape storages without host involvement is described herein. A system as described herein can include a local tape library comprising respective storage devices; a memory that stores executable components; and a processor that executes the executable components stored in the memory. The executable components can comprise a connection component that establishes a first connection to a host system and a second connection to an external tape library; a request processing component that receives an access request for a requested storage device from the host system via the first connection; and a proxy component that accesses the requested storage device at the outside tape library via the second connection and enables access to the requested storage device by the host system via the first connection in response to the requested storage device being determined to be absent from the local tape library.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 28, 2021
    Inventors: Dmitry Ashkadov, Yuri Kotov, Vladislav Alekseev
  • Patent number: 10599446
    Abstract: A mechanism for transparent (or non-disruptive) virtual tape engines restart. Specifically, the disclosed mechanism entails preserving a pre-restart state prior to restarting a virtual tape engine, followed by restoring the pre-restart state after the restarting in order to achieve transparency.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 24, 2020
    Assignee: EMC IP Holding Company LLC
    Inventors: Mikhail Tolstoy, Yuri Kotov, Dmitry Ashkadov, Mikhail Saravayskiy
  • Publication number: 20190129726
    Abstract: A mechanism for transparent (or non-disruptive) virtual tape engines restart. Specifically, the disclosed mechanism entails preserving a pre-restart state prior to restarting a virtual tape engine, followed by restoring the pre-restart state after the restarting in order to achieve transparency.
    Type: Application
    Filed: May 16, 2018
    Publication date: May 2, 2019
    Inventors: Mikhail Tolstoy, Yuri Kotov, Dmitry Ashkadov, Mikhail Saravayskiy