Patents by Inventor Lynn A. Czak

Lynn A. Czak 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).

  • Recovery of guest virtual machines after failure of a host real machine
    Patent number: 4674038
    Abstract: The invention disclosed and claimed herein provides a method for a virtual machine, which maps to the V=R region of a host machine's address space, to resume program execution successfully when the host operating system terminates and subsequently restarts successfully after the occurrence of a system incident. The system incident brings the computer system down, but with a reasonable chance that the system will be able to bounce. A bounce occurs when the host operating system nucleus is reinitialized or refreshed. The virtual machine will be allowed to survive the system incident as long as its integrity can be maintained, i.e. as long as its status and in-progress work can be preserved.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: June 16, 1987
    Assignee: International Business Machines Corporation
    Inventors: David P. Brelsford, Daniel D. Cerutti, Leslie S. Coleman, Gerald A. Davison, Pamela H. Dewey, Margaret C. Enichen, Sarah T. Hartley, Paul A. Malinowski, Roger W. Rogers, Peter H. Tallman, Lynn A. Czak