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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...