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7620961 |
Open-architecture file system
An open-architecture transactional file system is described. In one described implementation, a file system comprises a plurality of interchangeable and/or customizable logic layers configured to...
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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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7620772 |
Methods and structure for dynamic data density in a dynamically mapped mass storage device
Methods and structures for dynamic density control to improve reliability of a dynamically mapped storage device. In a dynamically mapped storage device in which all user supplied logical blocks...
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7620771 |
Magnetic disk apparatus, method for adjusting performance of magnetic disk apparatus, and method for accessing magnetic disk
A magnetic disk apparatus includes an input unit that inputs information on the number of sectors, which should be included in each cell, defined as performance adjusting information, a calculating...
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7620747 |
Software based native command queuing
Systems and methods for performing native command queuing according to the protocol specified by Serial ATA II for transferring data between a disk and system memory are described. Native command...
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7620666 |
Maintaining persistent data change maps for fast data synchronization and restoration
A method, system, computer system and computer program product to synchronize data and a snapshot of the data taken at a given point in time. Persistent data change maps are used to track changes...
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7617373 |
Apparatus, system, and method for presenting a storage volume as a virtual volume
An apparatus, system, and method are disclosed for presenting a storage volume as a virtual volume. An attribute module determines a primary volume physical attribute of a primary volume. A...
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7617359 |
Adaptive storage system including hard disk drive with flash interface
A data storage system for a device including low power and high power modes comprises low power (LP) nonvolatile memory that includes a LP hard disk drive (HDD) having a non-volatile semiconductor...
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7617358 |
Methods and structure for writing lead-in sequences for head stability in a dynamically mapped mass storage device
Methods and structures for writing thermal lead-in sequences to provide head stability in a dynamically mapped storage device. In a dynamically mapped storage device in which all user supplied...
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7613892 |
Recording device, recording method, recording medium, and program
A recording apparatus, method, recording medium, and program for recording data files, according to a FAT system, on an information-recording medium, regardless of the capacity of the...
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7613890 |
Consistent replication across multiple storage devices
Concurrently replicating a plurality of storage devices includes disabling writes to all of the storage devices, setting a pending state change indicator for all of the storage devices after...
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7613879 |
Method, system and media for improved operation of a device in a foreign domain
A computer-readable medium having stored thereon executable instructions for performing a method comprising detecting presence of a SATA device in the process of spinning up, and creating a target...
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7613875 |
Apparatus and method for incremental package deployment
A method and apparatus for incremental package deployment are described. In one embodiment, the method includes the redirection of disk input/output (I/O) requests to preserve contents of disk...
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7613867 |
Information recording apparatus, information recording method and recording medium recording program
A controller 10 carries out a control such as to divide a cache memory 8 for temporarily storing data when recording and/or reproducing the data on a data recordable optical disk 11 , into a...
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7613785 |
Decreased response time for peer-to-peer remote copy write operation
Methods, system and computer program product are provided to improve the efficiency of data transfers in a PPRC environment. Any or all of three features may be implemented, each of which reduces...
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7610467 |
Management method and a management system for volume
It is made possible to update information registered in a database of iSNS, SLP and the like in response to a configurational change in a storage device, and for a host computer to discover a disk...
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7610444 |
Method and apparatus for disk address and transfer size management
A method includes storing first and second sets of parameters in a register. Each set of parameters defines a storage transaction to store data to a computer readable medium or a retrieval...
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7610443 |
Method and system for accessing audiovisual data in a computer
A method and system for accessing audiovisual data in a computer, which has a hard disk, a hard disk controller and a device driver. The hard disk is divided into a partition region and a...
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7610442 |
Dual journaling store method and storage medium thereof
A dual journaling storing method and a storage medium thereof are provided, in which data are stored toward a central portion of a storage space of the storage medium from start and end locations...
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7610434 |
File recording apparatus
To effectively record files onto a semiconductor memory, a file recording apparatus has a plurality of file buffers provided for the respective files. Data requested to be written is accumulated in...
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7606986 |
System and method for resolving SAN fabric partitions
Systems, methods, apparatus and software can combine information about host access to virtualization functionality and virtualization functionality access to storage, use this information in...
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7606972 |
Storage unit, information processing apparatus, and eject control method for storage unit
A removable hard disk drive is detachable from a computer apparatus, and includes a storage medium for storing data from the computer apparatus and a communication interface with the computer...
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7606970 |
Hybrid disk drive and method of controlling data therein
A hybrid disk drive is utilized to achieve speed optimization and minimization of power consumption by installing a flash memory device in the hybrid disk drive and efficiently controlling data...
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7603520 |
Record apparatus, record method, and program for writing data to optical disc in a second unit larger than a first unit
A record apparatus is disclosed. The record apparatus has a memory, a record section, and a record control section. The memory stores data in a first unit. The record section writes data to an...
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7603515 |
Midplane-independent implementations of data storage system enclosures
Described is a midplane-less storage system comprising an enclosure including a control board having an electrical connector attached thereto and a processing unit. The enclosure also includes 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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7600089 |
Storage apparatus for asynchronous remote copying
A storage apparatus is provided in which the data amount of transfer data to a secondary disk controller from a primary disk controller at the event of remote copying can be reduced, and data...
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7600074 |
Controller of redundant arrays of independent disks and operation method thereof
A controller and operation method for RAID (Redundant Array of Independent Disks) is provided. The controller includes a receiving module, a splitting module, a sorting module and a transceiver....
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7600072 |
Performance reporting method considering storage configuration
A management computer includes a configuration information acquisition module that acquires a data volume configuration table indicative of a logical connection relationship between structural...
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7596658 |
Method for expanding capacity of replication volume
A management computer comprises: a cascade configuration storage section which stores volume cascade configuration information which is information related to the configuration of the volume...
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7594087 |
System and method for writing data to and erasing data from non-volatile memory
A method and system for accessing a non-volatile memory is disclosed. The method includes writing a first stream of data to a first block of a first region of a non-volatile memory and detecting a...
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7594084 |
File storage control device and method
A file storage control device (for example NAS) comprises a storage space provision portion, which provides, to a higher-level device used by a user, a single storage space associated with a...
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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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7594076 |
Disk array apparatus, data migration method, and storage medium
The disk array apparatus has a source volume that is the source for data migration, and migrates the data to a destination volume that is the destination for the data migration. The disk array...
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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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7594070 |
Management of access to storage area of storage system
A storage management system for managing, in a computer system, access to a storage area for storing data, the computer system includes: a storage system that provides the storage area; a host...
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7594069 |
Method and apparatus for single instruction multiple data caching
An apparatus and method for single instruction multiple data caching includes a memory access request generator operative to receive a primary access request. The method and apparatus further...
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7590875 |
Storage system with disk drive power-on-reset detection
A disk array controller reliably detects disk drive power-on-reset events that may cause a disk drive that has uncommitted write data stored in its cache to lose such data. The methods for...
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7590807 |
System and method for record retention date in a write once read many storage system
This invention provides a specified retention date within a data set that is locked against deletion or modification within a WORM storage implementation. This retention date scheme does not...
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7590799 |
OSD deterministic object fragmentation optimization in a disc drive
An apparatus includes a storage medium, an arm for positioning a recording head adjacent to the storage medium, and a controller for receiving objects and for selecting blocks on the storage medium...
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7590798 |
Method and system for responding to file system requests
A system for responding to file system requests having file IDs comprising V, a volume identifier specifying the file system being accessed, and R, an integer, specifying the file within the file...
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7587573 |
System and computer program product for shrinking a file system
Computer implemented method, system and computer program product for shrinking a file system in a data processing system. A computer implemented method for shrinking a file system in a data...
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7587550 |
Functional test method and functional test apparatus for data storage devices
Embodiments of the invention provide an HDD functional test apparatus which can test an HDD in a shorter time by increasing the amount of transfer per command without using a larger memory...
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7587549 |
Buffer management method and system with access grant based on queue score
A method includes assigning each of a plurality of disk write and disk read requests to respective ones of a plurality of queues. Each queue has an occupancy level and a weight. A score is assigned...
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7587548 |
Disk array apparatus and method for controlling the same
An apparatus which includes a controller and a plurality of disk drives. The controller has a communication control unit for accepting a data input/output request, a disk controller unit for...
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7584324 |
Statistical based admission control technique using three random variable admission control
Admission of a new disk stream is based on the probability of overcommitting disk bandwidth based on parameters related to the disk. These fixed parameters are determined either by retrieval from...
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7583537 |
Recording device and HDD built-in recording device
A recording device and an HDD built-in recording device each of which can curtail a use area of nonvolatile memory to be used even with the nonvolatile memory having a limit in the number of times...
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7581062 |
Disk array system
A disk array system includes storage devices, a storage device control unit, a connection unit being connected with the storage device control unit, channel control units, a shared memory, and a...
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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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7581060 |
Storage device control apparatus and control method for the storage device control apparatus
A storage device control apparatus includes a mounting part and an internal connection part. The mounting part can removably mount channel control unit, each with a host interface controller formed...
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