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Electrical Computers And Digital Processing Systems: Memory > Storage Accessing And Control > Shared Memory Area > Memory Access Blocking Memory Access BlockingMemory Access Blocking patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/21/06 - 20060212664 - Data storage apparatus, data processing apparatus, information processing system, and data storage method The present invention specifies a location by externally receiving a signal, and disables from reading data stored in a recording medium in accordance with the specified location, thereby enabling to perform a process of preventing data leakage when a data storage apparatus is used at a location other than a ... 09/07/06 - 20060200635 - Scalable rundown protection for object lifetime management A system and method for object rundown protection that scales with the number of processors in a shared-memory computer system is disclosed. In an embodiment of the present invention, prior to object rundown, a cache-aware reference count data structure is used to prevent cache-pinging that would otherwise result from data ... 08/24/06 - 20060190690 - Content-on-demand memory key with positive access evidence feature A method, system and apparatus for identifying unauthorized access to memory locations in a multi-element data storage device. The invention includes a restrictive key that is physically coupled to at least one inaccessible memory element in the data storage device. The key prevents the user from accessing the data in ... 08/17/06 - 20060184751 - Implementation of integrated status of a protection register word in a protection register array A protection register array in which the lock status of the protection register is stored outside of the array. An initial verify function is used to read lock status. ... 07/20/06 - 20060161741 - Methods and apparatus for providing synchronization of shared data A synchronization scheme is provided for a multiprocessor system. In particular, a processor includes a buffer sync controller. The buffer sync controller is operative to allow or deny access by a subprocessor to shared data in a shared memory, such that a processor seeking to write data into or read ... 07/20/06 - 20060161740 - Transaction based shared data operations in a multiprocessor environment The apparatus and method described herein are for handling shared memory accesses between multiple processors utilizing lock-free synchronization through transactional-execution. A transaction demarcated in software is speculatively executed. During execution invalidating remote accesses/requests to addresses loaded from and to be written to shared memory are track by a transaction buffer. ... 07/20/06 - 20060161739 - Write protection of subroutine return addresses Exemplary methods, systems, and products are described that operate generally by moving subroutine return address protection to the processor itself, in effect proving atomic locks for subroutine return addresses stored in a stack, subject to application control. More particularly, exemplary methods, systems, and products are described that write protect subroutine ... 07/13/06 - 20060155939 - Data processing system and method An access control attribute that can be established for an extent that is provided in a storage device may be any access control attribute signifying write permission, read permission, and write prohibition, but an access control attribute signifying read prohibition is not supported. In cases where a read request for ... 07/06/06 - 20060149906 - Method and apparatus for inter partition communication within a logical partitioned data processing system A method and structure for inter partition communication within a logical partitioned data processing system are provided. Each partition is configured for an inter partition communication area (IPCA) allocated from partition's own system memory. Each partition's IPCA combined together forms a non-contiguous block of memory which is treated as a ... 06/22/06 - 20060136679 - Protected processing apparatus, systems, and methods An apparatus and a system, as well as a method and article, may operate to prohibit program execution from entering into a location of a physical memory partition from a location outside the physical memory partition if the physical memory partition location does not include an entry instruction. ... 06/08/06 - 20060123203 - Network device, fiber channel switch, method for shared memory access control, and computer product A shared memory access function providing unit of each of a plurality of host computers of a network device receives an access shared memory request from an application and issues the access shared memory request to an FC switch. An access shared memory request identifying unit of the FC switch ... 05/18/06 - 20060106998 - Managing volumes in volume groups Provided are a method, system, and program for managing volumes in volume groups configured in a storage system. A first set of volumes is assigned to a first volume group and a first host is assigned to the first volume group. A second set of volumes is assigned to a ... 05/04/06 - 20060095689 - Using limits on address translation to control access to an addressable entity A data storage resource is identifiable by physical addresses, and optionally by a virtual address. A policy defines which resources are accessible and which resources are not accessible. A request to access a resource is allowed if access to the resource is permitted by the policy, and if carrying out ... 05/04/06 - 20060095688 - Storage system and method of controlling the same A storage system is utilized to its fullest storage capacity by setting a write inhibitive attribute to a desired storage area of the storage system. The storage system has a logical volume in which data is stored and a control device which controls access to the data stored in the ... 05/04/06 - 20060095687 - System and method for achieving reliable worm storage using wmrm storage The invention provides a method for ensuring that data stored on rewritable storage is immutable. The method includes initializing selected user-addressable blocks of storage to a writable state. In addition, the method includes accepting data to be stored in specified user-addressable blocks. Also, the method includes determining if the specified ... 04/06/06 - 20060075198 - Method and system for managing storage reservation A user operates an input device to set information necessary for reserving a volume and a port while looking at a screen for reservation management displayed on a display device Next, a storage management program retrieves reservable volumes and ports using a volume retrieval subprogram of a policy basis. At ... 03/23/06 - 20060064554 - Lock management for concurrent access to a single file from multiple data mover computers A protocol is provided for allocating file locking tasks between primary and secondary data mover computers in a network file server. When there is frequent read access and infrequent write access to a file, a primary data mover grants read locks to the entire file to secondary data movers, and ... 01/05/06 - 20060004967 - Computer architecture for shared memory access A computer architecture that includes a hierarchical memory system and one or more processors. The processors execute memory access instructions whose semantics are defined in terms of the hierarchical structure of the memory system. That is, rather than attempting to maintain the illusion that the memory system is shared by ... 12/22/05 - 20050283578 - Microcomputer and electrical device having the same A ROM is divided into a first area and a second area. A program is stored in the second area and a jump command to the stored program is stored in a specific address of the second area. A call command for the specific address of the second area is ... 12/22/05 - 20050283577 - Facilitating communication within shared memory environments using lock-free queues Lock-free queues of a shared memory environment are used to facilitate communication within that environment. The lock-free queues can be used for interprocess communication, as well as intraprocess communication. The lock-free queues are structured to minimize the use of atomic operations when performing operations on the queues, and to minimize ... 11/03/05 - 20050246506 - Information processing device, processor, processor control method, information processing device control method and cache memory In a method for controlling a processor which accesses information of a storage device through cache memory, when reading information stored in a target address or an address range of the storage device, it is monitored whether there is an update access to the address or address range from another ... 10/27/05 - 20050240738 - Storage apparatus When a storage apparatus receives a write request for a storage area in LU0, an owner access processing unit judges whether write processing for the storage area is restricted with reference to a lock information table. When it is restricted, the owner access processing unit does not perform write processing ... 09/08/05 - 20050198447 - Exclusive access for logical blocks In certain embodiments, a plurality of nodes of a hierarchical data structure are generated, wherein each node of the hierarchical data structure represents a set of at least one locked logical block. A request is received to exclusively access a set of at least one logical block. A determination is ... 08/25/05 - 20050188161 - Logical unit security for clustered storage area networks A system is described in which a plurality of host computers are coupled to a storage system for storing and retrieving data in the storage system. The storage system includes individually addressable units of storage such as volumes or logical unit numbers. A security management system controls access to each ... 08/18/05 - 20050182909 - Memory access control in an electronic apparatus A method of access control in an electronic apparatus comprising at least one device and a shared memory, external to the said devices, which are connected by at least one communication bus. In one embodiment, a memory access control unit receives an instruction for access to the memory. The validity ... 06/30/05 - 20050144402 - Method, system, and program for managing virtual memory Provided are a method, system, and program for managing virtual memory designated for use by a module such as a data send and receive agent. In one embodiment, virtual memory addresses intended for use by the module are designated as being within reserved portions and unreserved portions. Virtual memory addresses ... ### FreshPatents.com Support |