Patent application number | Description | Published |
20080215793 | Method and Apparatus for Management Between Virtualized Machines and Virtualized Storage Systems - To manage physical paths between a server system and a storage system and information about routing between virtual machines and virtual storage systems in an integrated fashion. A computer system of the present invention includes: a computer and a storage system that stores data, in which the computer includes first information for managing the first resource relating to the computer; and the storage system includes second information for managing the second resource provided in the storage system, and in which a relation between the virtual machine and the virtual storage system is defined based on the first information and the second information. | 09-04-2008 |
20090113142 | STORAGE HAVING LOGICAL PARTITIONING CAPABILITY AND SYSTEMS WHICH INCLUDE THE STORAGE - A storage includes: host interface units; file control processors which receives a file input/output request and translates the file input/output request into a data input/output request; file control memories which store translation control data; groups of disk drives; disk control processors; disk interface units which connect the groups of disk drives and the disk control processors; cache memories; and inter-processor communication units. The storage logically partitions these devices to cause the partitioned devices to operate as two or more virtual NASs. | 04-30-2009 |
20090248980 | Storage System and Capacity Allocation Method Therefor - A storage system connected to a terminal, the computer system includes: a plurality of drive devices that respectively drive a plurality of physical disks each having a physical storage area; a RAID configuration unit that configures a plurality of RAID groups by grouping two or more of the plurality of physical disks; a logical disk creation unit that creates, for the terminal through the RAID group, a logical disk having a logical storage area associated with the physical storage area; a memory for storing a RAID group control table showing, for each the RAID group, (i) a free capacity that is the amount of physical storage area remaining in the RAID group to be able to be associated with the logical disk and (ii) a power status of the RAID group; a receiver that receives a request for creating a new logical disk; and an area allocation unit that allocates to the new logical disk the physical storage area remaining in the RAID group selected by giving priority to a RAID group in a powered state over a RAID group in a non-powered state with reference to the RAID group control table. | 10-01-2009 |
20100042629 | FILE SERVER WHICH CONDUCTS A MEMORY TEST UPON BOOT UP - Provided is a file server providing a file service to a host computer, including an interface coupled to the host computer; a processor; a memory; and an interface coupled to a disk drive. The file server is configured to calculate a capacity of storage areas in the memory, which is required to provide the file service; execute a first memory check in which the storage areas having the calculated capacity are tested; execute, after the first memory check is completed, a second memory check in which remaining storage areas in the memory are tested; and start, in a period after the first memory check is completed and before the second memory check is completed, providing the file service. | 02-18-2010 |
20100274964 | STORAGE SYSTEM FOR CONTROLLING DISK CACHE - A storage system coupled to a host computer, including: a non-volatile medium that stores data; a disk cache that temporarily stores data stored in the non-volatile medium, where the disk cache is divided into a plurality of independent disk cache partitions; a control unit that controls an input and an output of data to and from the non-volatile medium; and a memory unit that stores information used by the control unit, including consistency control information setting respective commands permitted for each of the disk cache partitions, to guarantee consistency of the data; wherein the control unit is configured to determine whether or not to execute a requested command for a given disk cache partition, by referring to the consistency control information setting respective commands permitted for each of the disk cache partitions. | 10-28-2010 |
20100275058 | Method and Apparatus for Management Between Virtualized Machines and Virtualized Storage Systems - To manage physical paths between a server system and a storage system and information about routing between virtual machines and virtual storage systems in an integrated fashion. A computer system of the present invention includes: a computer and a storage system that stores data, in which the computer includes first information for managing the first resource relating to the computer; and the storage system includes second information for managing the second resource provided in the storage system, and in which a relation between the virtual machine and the virtual storage system is defined based on the first information and the second information. | 10-28-2010 |
20110185357 | Method and Apparatus for Management Between Virtualized Machines and Virtualized Storage Systems - To manage physical paths between a server system and a storage system and information about routing between virtual machines and virtual storage systems in an integrated fashion. A computer system of the present invention includes: a computer and a storage system that stores data, in which the computer includes first information for managing the first resource relating to the computer; and the storage system includes second information for managing the second resource provided in the storage system, and in which a relation between the virtual machine and the virtual storage system is defined based on the first information and the second information. | 07-28-2011 |
20130111299 | NON-VOLATILE STORAGE SYSTEM COMPENSATING PRIOR PROBABILITY FOR LOW-DENSITY PARITY CHECK CODES | 05-02-2013 |
Patent application number | Description | Published |
20090296541 | Library apparatus and method for delivering storage media in library apparatus - A library apparatus includes: a support body; a media container rack rotatable around a horizontally extending rotation shaft and having cells radially arranged to respectively contain removable storage media in a horizontal direction; a media drive fixed to the support body and accessing a storage medium loaded therein; and a media delivery device that delivers the storage media between the media container rack and the media drive. The apparatus further includes: a guide member that guides the media delivery device; and a controller which controls the media drive and rotation of the media container. The controller causes the guide member to guide the media delivery device and rotates the media container rack so as to set the target cell at a position where the media delivery device guided by the guide member can take and put one of the storage media out of and back in a target cell. | 12-03-2009 |
20110010565 | APPARATUS AND METHOD FOR STORING KEY DATA, LIBRARY UNIT, AND STORAGE DEVICE - A key data recording device includes a key data recording medium section which stores key data of the encrypted data; and a reading/writing section which reads and writes the key data from and into the key data recording medium section, which sections are contained in a cartridge casing accommodatable in a library unit. When the cartridge casing is irregularly ejected from the library unit, the key data recorded in the key data recording medium section is deleted. This configuration can enhance the confidentiality of encrypted data because the key data is not leaked even when the recording medium in which key data of the encrypted data is recorded is carried away. | 01-13-2011 |
20110106299 | LIBRARY APPARATUS - A library apparatus includes a rack that holds a magazine loaded with plural tape cartridges, the rack including an insertion slot through which the magazine is inserted, a conveying mechanism that attaches the plural tape cartridges to the magazine and detaches the plural tape cartridges from the magazine, the conveying mechanism including a reader for reading an identifier provided on each of the plural tape cartridges, and a control device that moves the conveying mechanism, prior to the magazine being inserted into the insertion slot, to an identifier reading position enabling the reader to read the identifiers as the magazine is inserted through the insertion slot. | 05-05-2011 |
20120274187 | LIBRARY APPARATUS - A library apparatus includes cartridges each including a first fitting portion formed on a first surface and a second fitting portion formed on a second surface, a storage unit, and a transporting unit including a pulling unit to pull out a first cartridge from the storage unit, a first supporting unit provided under the pulling unit, having a tapered first distal end unit, and to insert the first distal end unit between the first cartridge and a second cartridge positioned under the first cartridge to release the fitting between the first cartridge and the second cartridge, and a second supporting unit provided above the pulling unit, having a tapered second distal end unit and to insert the second distal end unit between the first cartridge and a third cartridge stacked on the first cartridge to release the fitting between the first cartridge and the third cartridge. | 11-01-2012 |
Patent application number | Description | Published |
20080222576 | DESIGN SUPPORT APPARATUS, METHOD FOR SUPPORTING DESIGN, AND MEDIUM RECORDING DESIGN SUPPORT PROGRAM - A design support apparatus and method generating design data of a circuit and updating the design data, storing the design data and update history data representing an update content in association with an updated circuit component when the design data is updated. The disclosed apparatus and method include receiving an extraction criterion for extracting a particular piece of update history data from among a plurality of pieces of update history data, extracting the update history data from the history database in accordance with the extraction criterion, and restoring an original design data of the circuit before updating as represented by the extracted update history data. | 09-11-2008 |
20100175037 | METHOD, APPARATUS, AND PROGRAM FOR CORRECTING HOLD ERROR - A hold error correction method for complicated large scale integration in a semiconductor is provided. Based on timing analyses, hold error path start point information including a set of a hold error amount at a start point and a minimum value in set-up margins for all data paths starting from the start point, and hold error path end point information including a set of a hold error amount at an end point and a minimum value in set-up margins for all data paths reaching the end point, in association with a failed hold error path, is obtained. The hold error path is classified based on whether the hold error is correctable according to the obtained information. The correctable hold error path is grouped based on a certain criterion. Finally, which of the start point and the end point a delay buffer is inserted into is determined per group. | 07-08-2010 |
20140068316 | DETERMINATION SUPPORT APPARATUS, DETERMINING APPARATUS, MEMORY CONTROLLER, SYSTEM, AND DETERMINATION METHOD - A determination support apparatus includes a detecting unit that detects a phase difference between a first clock signal and a second clock signal that is identical in frequency to the first clock signal; a control unit that controls delay of at least one among the first clock signal and the second clock signal such that the detected phase difference becomes less than a given amount; and an acquiring unit that acquires values of a given clock signal among the first clock signal and the second clock signal, among which at least one has been subject to delay control by the control unit, wherein the acquiring unit acquires the values of the given clock signal at a timing that is based on a clock signal that is other than the given clock signal and among the first clock signal and the second clock signal. | 03-06-2014 |
20150032950 | SIGNAL CONTROL CIRCUIT, INFORMATION PROCESSING APPARATUS, AND DUTY RATIO CALCULATION METHOD - A signal control circuit includes: a delay acquisition circuit configured to obtain a first delay amount to be added to an input signal for aligning timing of rise of the input signal with timing of fall or rise of a reference signal and a second delay amount to be added to the input signal for aligning timing of fall of the input signal with timing of the fall or the rise of the reference signal; and a ratio calculation circuit configured to calculate a duty ratio of the input signal based on a difference between the first delay amount and the second delay amount. | 01-29-2015 |
Patent application number | Description | Published |
20120221669 | COMMUNICATION METHOD FOR PARALLEL COMPUTING, INFORMATION PROCESSING APPARATUS AND COMPUTER READABLE RECORDING MEDIUM - A communication method includes reporting information that indicates disposition of communication data in a communication buffer from a first node to second nodes by a multi-destination delivery using a barrier synchronization or a reduction to all nodes. The communication data is transferred between the first node and the second nodes by at least one of collective communication methods as a node-to-node communication method used in parallel computing. The communication method transfers the communication data by the second nodes using the information that indicates the disposition of the communication data in the communication buffer. | 08-30-2012 |
20120224585 | COMMUNICATION METHOD, INFORMATION PROCESSING APPARATUS AND COMPUTER READABLE RECORDING MEDIUM - A communication method may store by a source node transmission data to be transmitted to destination nodes, create by the source node buffer information to be used by the destination nodes for receiving the transmission data, and transmitting by the source node the buffer information to the destination nodes by a first communication method that makes a multi-destination delivery using a barrier synchronization in which the destination nodes are synchronized by receiving synchronization signals from each of the destination nodes. The method may receive by the destination nodes, respectively, the transmission data using the buffer information by a second communication method that makes a one-to-one communication. | 09-06-2012 |
20130262683 | PARALLEL COMPUTER SYSTEM AND CONTROL METHOD - A disclosed control method is executed by a node of plural nodes that are connected in a parallel computer system through a network. The control method includes obtaining property data representing a property of accesses to data stored in a storage device in a first node of the plural nodes for a job to be executed by using data stored in the storage device, and determining a resource to be allocated to a cache among resources included in the parallel computer system and the network based on the obtained property data. | 10-03-2013 |
20140082232 | ADMINISTRATION DEVICE, INFORMATION PROCESSING DEVICE, AND DATA TRANSFER METHOD - An administration device includes a reception unit, a specifying unit, and a transmission unit. The reception unit receives a transfer request for requesting data transfer to an input-output device from an information processing device. In response to the transfer request, the specifying unit when determining that the communication path to the input-output device is already selected, specifies an information processing device or an input-output processing device, and when determining that the communication path is not selected, selects a communication path to the input-output device according to the first communication state stored in the first storage unit and the second communication state stored in the second storage unit, and specifies an information processing device or an input-output processing device. The transmission unit transmits, to the information processing device, an identifier for identifying the information processing device or the input-output device specified by the specifying unit. | 03-20-2014 |