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| Number | Title | Issue Date |
| 7293140 | Method for controlling storage policy according to volume activity A storage virtualization system is disclosed for performing data migration operations among the virtual LU (logical units) defined by the system. In one aspect of the present invention, the selection of a target virtual LU is based on a policy that makes a recommend... | 11/06/2007 |
| 7293137 | Storage system with inhibition of cache destaging Methods, apparatus and systems for data storage including initiating a destaging process in a storage system for destaging data from a cache to a mass storage device. Upon inputting a standby command to the storage system to inhibit the destaging of the data in a sp... | 11/06/2007 |
| 7293068 | Method and system for storing duplicate data During recovery of a master system, a mismatch between data in the master system and that in a backup system is obviated quickly to shorten time consumed before resumption of operation of the master system. The backup system controls, as second difference informatio... | 11/06/2007 |
| 7293146 | Method and apparatus for restoring a corrupted data volume Disclosed is a method and apparatus for restoring a corrupted data volume. In one embodiment, the method includes creating a backup copy of the data volume before the data volume is corrupted. Data transactions that modify the contents of the data volume are stored ... | 11/06/2007 |
| 7289347 | System and method for optically interconnecting memory devices A memory device includes a semiconductor substrate in which memory circuitry has been fabricated. An address converter and a control signal converter are coupled to an address decoder and control logic, respectively. The address and control converters are operable t... | 10/30/2007 |
| 7290112 | System and method for virtualization of processor resources A system and method for virtualization of processor resources is presented. A thread is created on a processor and the processor's local memory is mapped into an effective address space. In doing so, the processor's local memory is accessible by other processors, re... | 10/30/2007 |
| 7290115 | System and method for filtering write operations to a storage medium containing an operating system image A write filter is used to handle write operations by an operating system of a computing device that has a main storage medium in which the operating system image is stored. The write filter is placed in the operating system to intercept write commands for writing st... | 10/30/2007 |
| 7290166 | Rollback of data Provided are a techniques for restoring data. Changed data is stored in a storage controller reserved area. In response to receiving a create checkpoint request, the data changed is promoted to a good status and a characteristic is associated with the promoted data ... | 10/30/2007 |
| 7287186 | Shared nothing virtual cluster A shared-nothing virtual cluster including multiple virtual servers located on a corresponding number of physical servers linked together via a network. The virtual servers collectively form an active/passive (A/P) cluster including an active virtual server and at l... | 10/23/2007 |
| 7287045 | Backup method, storage system, and program for backup A backup method is provided for use with a storage system composed of a memory which stores a control program, a disk drive having an primary volume, a differential volume, and mapping information, the primary volume storing data sent from a client, the differential... | 10/23/2007 |
| 7286543 | Memory system with apparatus and method to enable balanced bandwidth utilization A memory subsystem includes Data Store 0 and Data Store 1. Each data store is partitioned into N buffers, N>1. An increment of memory is formed by a buffer pair, with each buffer of the buffer pair being in a different data store. Two buffer pair forma... | 10/23/2007 |
| 7284150 | System and method for reliably storing data and providing efficient incremental backup and asynchronous mirroring by preferentially handling new data According to the present invention, there is provided a method for reliably storing data in a computer system. The method includes receiving a piece of data to be stored at a storage system. In addition, the method includes writing a first copy of the data to the st... | 10/16/2007 |
| 7284136 | Methods and apparatus for implementing a secure resume Methods and apparatus for implementing a secure resume are disclosed. In an example, a method of securely resuming operation of a processor from a low power state to an active state includes detecting a resume event, calculating a metric of information stored in mem... | 10/16/2007 |
| 7282947 | Memory module and method having improved signal routing topology A registered memory module includes several memory devices coupled to a register through a plurality of transmission lines forming a symmetrical tree topology. The tree includes several branches each of which includes two transmission lines coupled only at its ends ... | 10/16/2007 |
| 7284020 | System and method for data recovery in a storage system A system and method for automatic failure recovery in a storage system that includes replicating data stored in a first storage volume at a storage system into a second storage volume at the storage system, the first storage volume handling Input/Output (I/O) operat... | 10/16/2007 |
| 7281108 | Method and apparatus for managing migration of data in a computer system Methods and apparatus for migrating a data set. In one embodiment, a migration is paused. In another embodiment, for a migration of data between multiple source/target groups, the migration is initiated by beginning transfer for some groups and queuing others for la... | 10/09/2007 |
| 7281157 | Method and apparatus for enabling consistent ancillary disk array storage device operations with respect to a main application A method and apparatus for enhancing data recovery in data processing systems in which applications span multiple logical devices. A data processing system includes multiple standard devices for storing data and corresponding BCV devices for, in one mode, operating ... | 10/09/2007 |
| 7281099 | Computer system and a method of replication In a cluster-structured disk subsystem, when creating a volume for an online backup separately from a volume for a normal I/O, it is desirable to be able to achieve such a creation for any volume under subsystem. Further, with an increase in the capacity of the subs... | 10/09/2007 |
| 7281024 | Approach for propagating changes from a database to a client An approach for propagating changes from a database to a client includes providing to the client a copy of a portion of the database, wherein the portion of the database contains a first data item. An updated value of the first data item is generated that reflects t... | 10/09/2007 |
| 7280452 | Optical recording/reproducing apparatus capable of reproducing backup recorded information in case of a power failure and recorded information backup method thereof An optical recording/reproducing apparatus capable of backing up recorded information in case of an electrical power failure and a recorded information backup method thereof. Management information on recorded data is stored in a local memory such as a static random... | 10/09/2007 |
| 7281100 | Data processing system and method Embodiments of the present invention provide a data processing method for saving data stored within a portion of a memory associated with a first process executable by a data processing system; the method comprising the steps of: executing, substantially concurrentl... | 10/09/2007 |
| 7281010 | Trusted computing platform with dual key trees to support multiple public/private key systems The present invention addresses the foregoing need by creating two identically structured storage trees with a single storage root key. As envisioned in the current art (e.g., the TCPA specification), all migratable keys will be stored in a migratable storage tree. ... | 10/09/2007 |
| 7281109 | Method for managing volume groups considering storage tiers A tiered storage system according to the present invention provides for the management of migration groups. When a migration group is defined, a reference tier position is determined and the relative tier position of each constituent logical device is determined. Mo... | 10/09/2007 |
| 7278000 | Data migration with worm guarantee The storage system is coupled to a computer, and includes a controller and a disk drive including a plurality of logical volumes, at least in one of which updating prohibition information indicating inclusion of an area assigned an updating prohibition attribute is ... | 10/02/2007 |
| 7278060 | System and method for on-board diagnostics of memory modules A memory hub includes an on-board diagnostic engine through which diagnostic testing and evaluation of the memory system can be performed. The memory hub includes a link interface for receiving memory requests for access to memory devices of the memory system and a ... | 10/02/2007 |
| 7272455 | Remote controlling device, program and system with control command changing function A control device for controlling a control target device includes a control content acquisition unit, a recognition unit, a device control unit, and a communication unit. The control content acquisition unit acquires control information containing operation instruct... | 09/18/2007 |
| 7272682 | Memory hub bypass circuit and method A computer system and a method used to access data from a plurality of memory devices with a memory hub. The computer system includes a plurality of memory modules coupled to a memory hub controller. Each of the memory modules includes the memory hub and the plurali... | 09/18/2007 |
| 7269703 | Data-migration method A method of migrating data from an old storage subsystem to a new storage subsystem in a data processing system which comprises host computers and storage subsystems. There is provided a route-changing phase before the data is migrated from the old storage subsystem... | 09/11/2007 |
| 7269292 | Digital image adjustable compression and resolution using face detection information A method of adjustable spatial and/or temporal compression of an image including a face includes identifying a group of pixels that correspond to a face within a digitally-acquired image. A first compression portion of the image including the group of pixels is dete... | 09/11/2007 |
| 7266653 | Remote data mirroring with acknowledgment upon writing copied data to volatile cache memory A method for storing data received from a host processor at a primary storage subsystem in a data storage system includes writing the data to a first volatile cache memory in the primary storage subsystem and copying the data from the primary storage subsystem to a ... | 09/04/2007 |
| 7266633 | System and method for communicating the synchronization status of memory modules during initialization of the memory modules A memory system includes a memory hub controller coupled to a plurality of memory modules each of which includes a memory hub. The memory hub controller and the memory hubs each include at least one receiver that is synchronized to an internal clock signal during in... | 09/04/2007 |
| 7266636 | Deferred writing of data to be synchronized on magnetic tape employing a non-volatile store Data of a transaction to be synchronized is stored to a non-volatile store, and a Command Complete response is provided. Data of the transaction is supplied to a tape drive for writing to a magnetic tape. The storing, responding, and supplying operations are repeate... | 09/04/2007 |
| 7263590 | Method and apparatus for migrating data in a computer system Methods and apparatus for migrating a logical object. In one embodiment, a migration is performed by automatically determining the source location(s) of the logical object, moving the data stored therein to a target location while maintaining the availability of the... | 08/28/2007 |
| 7263588 | Data storage system using geographically-distributed storage devices/facilities A data storage system has data storage devices dispersed over a geographic area such that any two of the data storage devices are separated by a distance measured in miles or kilometers. A processing system coupled to the data storage devices performs several functi... | 08/28/2007 |
| 7263580 | Cache flush based on checkpoint timer A data processing system is used which is provided with a computer for executing a program, and a storage unit having a cache memory for storing data transmitted as a result of execution of the program and a disk device for storing data stored in the cache memory. T... | 08/28/2007 |
| 7260695 | Scanning modified data during power loss A back-up power source and a back-up storage device are utilized to power a processor and a volatile memory device during a primary power failure. An emergency data-storage algorithm is invoked to create a table of modified data analogous to data residing in a non-v... | 08/21/2007 |
| 7260309 | Tracking of partially viewed shows so that they can be marked for deletion when a personal video recorder runs out of space A method for managing a plurality of video data stored on a storage device. The method including the steps of: determining whether sufficient storage space remains on the storage device to store a desired video content; if sufficient storage space does not exist on ... | 08/21/2007 |
| 7260685 | Memory hub and access method having internal prefetch buffers A memory module includes a memory hub coupled to several memory devices. The memory hub includes history logic that predicts on the basis of read memory requests which addresses in the memory devices from which date are likely to be subsequently read. The history lo... | 08/21/2007 |
| 7260696 | Data reallocation among storage systems The present invention provides techniques, including a method and system, for relocating data between storage systems. In one embodiment of the present invention a host collects usage information from a plurality of storage systems, and determines the relocation des... | 08/21/2007 |
| 7257257 | Method and apparatus for differential, bandwidth-efficient and storage-efficient backups A process is introduced that determines contour requirements from many factors. Based on the contour requirements, the process either generates at least one content-derived signature contour from either many content identifiers or at least one content-derived signat... | 08/14/2007 |
