1
Joseph S Glider, Thomas E Idleman: Multi-sort mass storage device announcing its active paths without deactivating its ports in a network architecture. MTI Technology Corporation, Mark D Rowland, Joseph M Guiliano, February 7, 1995: US05388243 (108 worldwide citation)

A network-type data processing system is provided. The system can support multiple simultaneous exchanges of data, and includes multi-port storage devices in which all ports can be active at all times. On initialization of the system, each storage device can announce itself through all of its ports ...


2
Joseph S Glider, David T Powers, Thomas E Idleman: Data corrections applicable to redundant arrays of independent disks. MTI Technology Corporation, Townsend and Townsend and Crew, November 21, 1995: US05469453 (68 worldwide citation)

Methods and apparatus are provided for detecting and correcting various data errors that may arise in a mass data storage apparatus comprising a set of physical mass storage devices operating as one or more larger logical mass storage devices. A method and apparatus is provided for detecting and rec ...


3
Joseph S Glider, David H Jaffe: Resource management in a multiple resource system where each resource includes an availability state stored in a memory of the resource. MTI Technology Corporation, Townsend and Townsend Khourie and Crew, November 1, 1994: US05361347 (53 worldwide citation)

A computing system providing resource management in a multiple resource system. In the preferred embodiment, the computing system has a plurality of resources for storing, transmitting or manipulating data. The system also has a fault management subsystem that accesses and operates the resources whe ...


4
David H Jaffe, Hoke S Johnson III, Chris W Eidler: Method and apparatus for scheduling access to a CSMA communication medium of a node having arbitration circuit. MTI Technology Corporation, Mark D Rowland, Joseph M Guiliano, October 25, 1994: US05359320 (47 worldwide citation)

A scheduling mechanism is provided for controlling when the arbitration circuit of a node sharing a CSMA communication medium is to start CSMA arbitration for access to the communication medium once the node has a message ready for transmission, the scheduling mechanism delaying the arbitration circ ...


5
Darrell Duffy: Integrity protection for parity calculation for raid parity cache. MTI Technology Corporation, Townsend and Townsend and Crew, June 17, 1997: US05640506 (40 worldwide citation)

An improvement on the use of parity and a write cache for a RAID by adding a check code for the parity data itself. In addition, the time during which the parity check code is unprotected is reduced by using a single loop to calculate the old parity check code and verify it, determine the new parity ...


6
David H Jaffe, Hoke S Johnson III, Chris W Eidler: Method and apparatus for scheduling access to a CSMA communication medium. MTI Technology Corporation, Townsend and Townsend and Crew, January 16, 1996: US05485147 (37 worldwide citation)

A scheduling mechanism is provided for controlling when the arbitration circuit of a node sharing a CSMA communication medium is to start CSMA arbitration for access to the communication medium once the node has a message ready for transmission, the scheduling mechanism delaying the arbitration circ ...


7
Randy H Katz, David T Powers, David H Jaffe, Joseph Glider, Thomas E Idleman: Non-volatile memory storage of write operation indentifier in data storage device. MTI Technology Corporation, Townsend and Townsend and Crew, December 12, 1995: US05475697 (26 worldwide citation)

A method and apparatus are provided for detecting and correcting various data errors that may arise in a mass data storage apparatus comprising a set of physical mass storage devices operating as one or more larger logical mass storage devices. More particularly, there is provided a method and appar ...


8
Kumar Gajjar, Kaushik S Shah, Duc H Trang: Method and apparatus for an enhanced computer system interface. MTI Technology Corporation, Townsend and Townsend and Crew, September 26, 1995: US05454085 (23 worldwide citation)

An improved interface system based in part on the SCSI standard is provided. A single cable data bus simultaneously transfers several bytes of information between two devices. The interface system transfers multiple-byte commands, messages, status information or data in a single parallel transfer. A ...


9
Robert Craig Bagley: Method for detecting clock failure and switching to backup clock. MTI Technology Corporation, Townsend and Townsend and Crew, October 27, 1998: US05828243 (22 worldwide citation)

A clock failure detection circuit which monitors a clock by comparing the clock to at least one delayed version of itself is provided. The original clock and the delayed version will be offset, such that an edge of one of them can clock a logic circuit to determine if the clock is at the proper leve ...


10
Alex Siloti: Background arbitration monitoring to improve access on lightly consumed network. MTI Technology Corporation, Larry Mendenhall, Townsend and Townsend and Crew, April 21, 1998: US05742239 (16 worldwide citation)

A method for arbitrating for control of a network medium for transmission, combining aspects of the time slots and collision-based arbitration schemes by dynamically modifying the scheme used in accordance with network load. In a preferred embodiment, this is done by assigning time slots to the vari ...