1
Bahman Qawami
Chang Robert C, Qawami Bahman, Sabet Sharghi Farshid: Unusable block management within a non-volatile memory system. Sandisk, May 12, 2004: EP1418502-A2 (45 worldwide citation)

Methods and apparatus for tracking defective blocks such that at least some of the defective blocks may be readily identified and tested for usability when desirable are disclosed. According to one aspect of the present invention, a method for identifying spare blocks within a non-volatile memory in ...


2
Private
Theresa M Brown, Nedlaya Y Francisco, Matthew J Kalos, Suguang Li, Beth A Peterson: Data integrity protection in storage volumes. International Business Machines Corporation, Rabindranath Dutta, Konrad Raynes Davda and Victor, October 28, 2014: US08874862 (2 worldwide citation)

A plurality of logical volumes are stored at a plurality of sites. A command to execute an operation on a logical volume is received. A determination is made as to whether a rule associated with the logical volume permits execution of the operation on the logical volume. In response to determining t ...


3
Private
Theresa M Brown, Nedlaya Y Francisco, Matthew J Kalos, Suguang Li, Beth A Peterson: Data integrity protection in storage volumes. International Business Machines Corporation, Rabindranath Dutta, Konrad Raynes Davda and Victor, October 7, 2014: US08856470 (2 worldwide citation)

A plurality of logical volumes are stored at a plurality of sites. A command to execute an operation on a logical volume is received. A determination is made as to whether a rule associated with the logical volume permits execution of the operation on the logical volume. In response to determining t ...


4
Edward L Cheffetz, Ronald C Searls: Backup computer program for networks. Personal Computer Peripherals Corporation, Dominik Stein Saccocio Reese Colitz & VanDerWall, July 21, 1992: US05133065 (669 worldwide citation)

A computer network for backing up data and program files located on networked workstations onto a centralized backup media of a backup device of the network. The backup computer network allows users of workstations of remote nodes to preselect files (by name and by file selection criteria) on their ...


5
Davis Scott H, Goleman William L, Thiel David W: Transferring data in a digital data processing system.. Digital Equipment, January 2, 1991: EP0405926-A2 (574 worldwide citation)

A system and method for transferring data from a first storage medium to a second storage medium, each of the storage media being divided into corresponding data blocks, the method comprising steps of: (a) reading data stored in a first data block in the first storage medium, the first data block in ...


6
David G Beal, Fred C Eifert, Henry S Ludlam, Charles A Milligan, George A Rudeseal, Paul R Swiatek: Data storage system for providing redundant copies of data on different disk drives. Storage Technology Corporation, Dorr Cason Sloan & Peterson, October 13, 1992: US05155845 (316 worldwide citation)

A disk storage system that writes multiple copies of records directed to user-specified volumes. A plurality of spaced apart control units interconnected by direct data links and a corresponding plurality of sets of recording means communicate over the direct data links when a write request is recei ...


7
O slashed ystein Torbj o slashed rnsen, Svein Olaf Hvasshovd: Continuously available database server having multiple groups of nodes with minimum intersecting sets of database fragment replicas. Telenor, Flehr Hohbach Test Albritton & Herbert, September 10, 1996: US05555404 (289 worldwide citation)

A database server with a "shared nothing" system architecture has multiple nodes, each having its own central processing unit, primary and secondary memory for storing database tables and other data structures, and communication channels for communication with other ones of the nodes. The nodes are ...


8
Harari Eliyahou, Norman Robert D, Mehrotra Sanjay: Flash eeprom system.. Sundisk, October 17, 1990: EP0392895-A2 (286 worldwide citation)

A system of Flash EEprom memory chips with controlling circuits serves as non-volatile memory such as that provided by magnetic disk drives. Improvements include selective multiple sector erase, in which any combinations of Flash sectors may be erased together. Selective sectors among the selected c ...


9
Clyde R Sparks: Automated concurrent data backup system. Delphi Data a Division of Sparks, Spensley Horn Jubas & Lubitz, May 18, 1993: US05212784 (270 worldwide citation)

An automated concurrent data backup system and method. The architecture of the present invention includes a CPU coupled to a primary controller. The primary controller is coupled by separate logical buses to at least a set of paired mirrored or shadowed primary data storage devices. On one of the lo ...


10
Drew Major, Kyle Powell, Dale Neibaur: Fault tolerant computer system. Novell, Hecker & Harriman, October 20, 1992: US05157663 (265 worldwide citation)

A method and apparatus for providing a fault-tolerant backup system such that if there is a failure of a primary processing system, a replicated system can take over without interruption. The invention provides a software solution for providing a backup system. Two servers are provided, a primary an ...