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7620790 |
Methods and apparatus for interfacing to a data storage system
A data storage system includes methods and apparatus that provide volumes for access by host computing devices. The volumes can have a storage size that is independently configurable from an actual...
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7620710 |
System and method for performing multi-path storage operations
Systems and methods for allocating transmission resources within a computer network are provided. In some embodiments of the invention, communication links may be assigned based on predefined...
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7619379 |
Motor control device and setting method thereof
A motor control device includes a recording module and a controlling module. The recording module has a revolution speed table recording a plurality of predetermined revolution speed values. The...
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7617357 |
System and method for updating hard disk write parameters in the field
Systems and methods are provided for updating a temperature table for a disk subsystem in a client system using information provided by a server system. In one embodiment, among others, the client...
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7613880 |
Memory module, memory system, and information device
A memory system including large-capacity ROM and RAM in which high-speed reading and writing are enabled is provided. A memory system including a non-volatile memory (CHIP 1 ), DRAM (CHIP 3 ), a...
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7613874 |
Recording medium, and a method and apparatus for overwriting data in the same
A method for overwriting data in a recording medium includes the steps of assigning a plurality of record areas to the recording medium, and recording the same category data in individual record...
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7610432 |
Method and apparatus for assigning alias node names and port names within a tape library
A tape library apparatus comprising a plurality of FC drives. A host computer and a fiber channel switch portion are connected with an optical fiber cable through respective fiber channel...
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7606167 |
Apparatus and method for defining a static fibre channel fabric
A storage area network and method for defining a static Fibre Channel Fabric that does not require a Principal Switch. The storage area network comprises one or more hosts, one or more storage...
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7603538 |
Access environment construction system and method
Host environment information of the host is acquired from an environment management section that manages the host environment information, a designation of a volume condition constituting a...
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7603514 |
Method and apparatus for concurrent and independent data transfer on host controllers
An access detector detects an access type of an access to one of a plurality of serial ports interfacing to serial storage devices. The access is intended to one of a plurality of parallel channels...
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7600088 |
Techniques for providing storage array services to a cluster of nodes using portal devices
A storage system includes a local storage array and a remote storage array. The local storage array has a host interface configured to communicate with an external host, a local storage device...
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7594083 |
Storage system and storage control device
The storage system according to the present invention allows the number of host connections to be increased by connecting a plurality of storage control devices so that commands and data can be...
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7594074 |
Storage system
To provide a storage system with a cost/performance meeting the system scale, from a small-scale to a large-scale configuration. In the storage system, protocol transformation units and data...
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7593997 |
Method and system for LUN remapping in fibre channel networks
A Fibre Channel switch element in a Fibre Channel network is provided. The Fibre Channel switch element includes a port that replaces a logical unit number (“LUN”) field value in a FCP_CMND...
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7581061 |
Data migration using temporary volume to migrate high priority data to high performance storage and lower priority data to lower performance storage
The storage control device of the present invention uses a temporary volume to move data rapidly between volume groups. The storage control device forms a plurality of volume groups by grouping...
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7581056 |
Load balancing using distributed front end and back end virtualization engines
Methods and apparatus are provided for improving network virtualization in a storage area network. A virtualization engine is divided into a front end virtualization engine and a back end...
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7580997 |
State recovery
A method of recovering the state of a system, which system comprises at least one counter, which counter represents an instantaneous state of an entity in a system. The counter will increase in...
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7577802 |
Accessing a reservable device by transiently clearing a persistent reservation on the device in multi-host system
Systems, methods, and computer program products are presented for transiently clearing a reservation on a device, where the reservation belongs to a host that owns the device and the reservation...
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7577786 |
Restore accelerator for serial media backup systems
A method for accelerating a tape backup system restore process receives a list of files that are to be restored and searches a tape catalogue to find tape volume and file sequence numbers for each...
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7574542 |
SAS expansion topology for RAID data storage including multiplexers and SAS expanders for interfacing with single or dual ports drives
A data storage system having a first chassis, such first chassis having a pair of SAS expanders and a second chassis having a pair of SAS expanders. The first one of the pair of SAS expanders is...
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7568067 |
Method for controlling magnetic tape unit
A tape operation relating to EOF identification in an open process for a file is emulated, whereby the tape operation in the open process is simplified. Consequently, open-process, close-process...
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7565484 |
Methods, apparatus and computer programs for scheduling storage requests
Provided are methods, apparatus arid computer programs for scheduling storage input and/or output (I/O) requests. A method for scheduling storage access requests determines a request processing...
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7565460 |
Information processing apparatus and method for handling packet streams
A control machine which uses a data amount stored in an FIFO as a trigger and allows a DMA transfer to be started according to a capacity of the FIFO allows a control machine for preparing for the...
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7565408 |
Information handling system including a local real device and a remote virtual device sharing a common channel
A remote management system is coupled to a target information handling system so that a virtual device on the remote system can transmit information such as software, data, applications and...
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7562193 |
Memory with single and dual mode access
The invention relates to a memory unit with at least two memory areas for storing data, first terminals for accessing data within the memory areas, and second terminals for accessing data within...
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7562185 |
Accessing a storage medium using dynamic read statistics
A method and system for accessing a storage medium that factors in read statistics of previous reads of the storage medium is provided. An access system tracks read statistics generated from...
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7558916 |
Storage system, data processing method and storage apparatus
Proposed are a storage system, data processing method and storage apparatus capable of performing stable data I/O processing. Each of the storage apparatuses configured in the storage group stores...
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7555612 |
Adaptive control of loading a program in a disk-based operating system
An exemplary method controls the loading of a program in a computer system using a disk based operating system instead of allowing a built-in loading program resident in the operating system to...
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7555500 |
Optimized end transaction processing
An end transaction procedure is optimized for certain database operations. Where a transaction preceding the end transaction procedure includes a step that employs all the access modules in the...
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7548851 |
Digital multimedia jukebox
A musical jukebox is disclosed which provides for: fast archiving of songs; a flexible user interface; easy and convenient entry of, access to and/or display of data relating to songs archived by...
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7543121 |
Computer system allowing any computer to copy any storage area within a storage system
A computer system having a plurality of host computers and a storage system is provided which allows any one host computer to perform a global copy operation on any arbitrary or all storage areas...
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7539816 |
Disk control device, disk control method
A disk control device stores write requests from a cache memory or reads commands from a host in a queue for a disk drive in chronological order. When the number of write requests stored in the...
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7536501 |
Apparatus and method to manage one or more reserved volume serial numbers in a virtual library grid
An apparatus and method are disclosed to manage one or more reserved volume serial numbers in a virtual library grid. The method supplies a virtual library grid comprising one or more virtual...
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7533216 |
Device and method for simulating a hard disk
A device and a method for simulating a hard disk are disclosed. The device has a core logic chip, a main memory module and a setting module. The setting module is used to set the main memory module...
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7533215 |
Distributed and packed metadata structure for disk cache
An apparatus and method to reduce the initialization time of a system is disclosed. In one embodiment, upon a cache line update, metadata associated with the cache line is stored in a distributed...
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7526598 |
Efficient flash memory device driver
A driver for a data storage device includes an access command and a verification command. The access command initiates an access (write, erase or read) of the data storage device while allowing a...
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7526086 |
Editing apparatus and editing method
An editing apparatus and method for dividing or combining a data file(s) that is segmented into blocks of a predetermined data length and recorded in a non-volatile memory. An attribute file having...
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7523254 |
Method for analyzing performance information
A performance information display method using a computer, includes the steps, in the computer, of reading out information data of a storage device previously stored in a storage device and...
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7523253 |
Storage system comprising a plurality of tape media one of which corresponding to a virtual disk
A plurality of virtual disks that emulate disk devices and a controller for controlling data access commands from a host are provided. The controller reserves a disk space on one or more disk...
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7523252 |
Data control apparatus functioning as a USB mass storage device
A data control apparatus has a user interface section, an operation control section which operates based on an instruction from the user interface section, a USB device interface section which is...
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7519768 |
Computer system, management computer, and volume allocation change method of management computer
A computer system to prevent intervention and falsification by setting encrypted transfer between a host computer and a first storage device that provides a virtual volume and between the first...
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7519767 |
Emulated tape-based storage media
A system, method and a computer program product for emulating a tape-based storage system to provide data storage. The system includes a data storage medium storing a data set which represents the...
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7512755 |
Computer system storing data on multiple storage systems
During the normal operation state of a computer system 1000 , the data stored in a primary storage system 200 P is copied to an intermediate storage system 200 I via synchronous copying and the...
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7512593 |
System for searching across a PLC network
Certain exemplary embodiments can comprise a method, comprising: recognizing, by a PLC, that a memory device has been connected to the PLC; and configuring the PLC via a PLC executable software...
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7512311 |
Data output apparatus and method with managed buffer
A data output apparatus includes a disk drive for driving a magneto-optical disk. Compressed image data recorded on the magneto-optical disk is transferred from the magneto-optical disk to an SDRAM...
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7509645 |
Methods and apparatus for load balancing storage nodes in a distributed network attached storage system
A distributed data storage system stores a single image file system across a plurality of physical storage volumes. The physical storage may be direct attached storage, or may be coupled through a...
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7509589 |
Storage domain GUI
A method generates a graphical portion of a graphical user interface (GUI), the graphical portion concerning aspects of a storage domain. Such a method may include: illustrating a tree hierarchy;...
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7509443 |
Storage management system and method using performance values to obtain optimal input/output paths within a storage network
A CPU of a performance management server, upon receipt of a request from a keyboard or a mouse to newly assign an application to a specified application server, acquires an I/O path between the...
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7509409 |
Network-attached storage system, device, and method with multiple storage tiers
A network-attached system, device, and method supports multiple storage tiers. Data may be migrated between storage tiers, for example, based on a data migration policy. A plurality of dedicated...
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7506347 |
Method of operating a disc drive and a host device
A battery-operated, hand-held disc drive for an optical data storage disc contains a radio transceiver. Data read from the disc, for example a game or movie, are delivered to the transceiver and...
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