Patents Assigned to Digital Multitools, Inc.
  • Method and system for arbitrating computer access to a shared storage medium using SCSI protocol
    Patent number: 7734713
    Abstract: A method of arbitrating access to a storage medium that is shared by M first computers operating on a Windows™ operating comprising (1) determining if the SCSI PR-flag has been set; (2) if yes, preventing the N second computers from writing to the storage medium; and (3) setting the SCSI MC-flag for each of said M first computers after one of the second computers writes to the storage medium to notify the M first computers that the contents of the storage medium may have changed.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: June 8, 2010
    Assignee: Digital Multitools, Inc.
    Inventor: Peter D. Gray
  • Method and system for arbitrating computer access to a shared storage medium
    Publication number: 20080270565
    Abstract: A method of arbitrating access to a storage medium that is shared by M first computers operating on a Windows™ operating comprising (1) determining if the SCSI PR-flag has been set; (2) if yes, preventing the N second computers from writing to the storage medium; and (3) setting the SCSI MC-flag for each of said M first computers after one of the second computers writes to the storage medium to notify the M first computers that the contents of the storage medium may have changed.
    Type: Application
    Filed: April 24, 2007
    Publication date: October 30, 2008
    Applicant: Digital Multitools, Inc.
    Inventor: Peter D. Gray