Patent application number | Description | Published |
20080294704 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - Providing an information processing apparatus and information processing method that prevent the occurrence of inconsistencies between restored files and other files, thereby improving ease of use. When restoring a backup virtual tree, the owner of each file and directory belonging to the backup virtual tree is identified; and when it is found, based on the identification result, that the owner of any of the files or directories is not a target user and the update time and/or version of the backup file or directory is older than that of the corresponding present file or directory, the backup file or directory is restored back into a special directory accessible for the target user with the tree structure of the original virtual tree intact. | 11-27-2008 |
20080306917 | FILE SERVER FOR PERFORMING CACHE PREFETCHING IN COOPERATION WITH SEARCH AP - Provided is a control computer coupled to a storage apparatus for storing a plurality of information resources and a search computer for receiving a search request containing a search condition and transmitting information resource list information containing at least one piece of information regarding an information resource corresponding to the search condition as a search result, the control computer includes a cache memory for storing at least one of the plurality of information resources, in which the control computer is configured to: receive the information resource list information from the search computer; calculate cache priority for each of the information resources based on the received information resource list information; decide at least one information resource to be stored in the cache memory based on the calculated cache priority; and store the decided at least one information resource in the cache memory. | 12-11-2008 |
20090077334 | Storage Apparatus for Preventing Falsification of Data - When a file server is to create data that does not permit falsification in an external storage, it is not possible to guarantee that the rewriting of this data can be prevented from a computer connected to the external storage without going through a file server. Provided is a storage system configured from a first storage having a file I/O processing unit and a second storage connected to this first storage, wherein the first storage includes a unit for requesting a change of access authority to the storage area in the own storage and in the second storage provided to the own storage. An access request to a storage area in a second storage from a computer connected to a second storage without going through a file I/O processing unit is restricted based on the change of access authority executed by the second storage upon receiving the request from the first storage. | 03-19-2009 |
20090083837 | STORAGE CONTROLLER FOR CONTROLLING ACCESS BASED ON LOCATION OF CONTROLLER - Provided is a controller in a computer system, the computer system including a plurality of data storage systems, and at least one controller for controlling access to data stored in the plurality of data storage systems, the each controller including: an interface coupled to the network; a processor coupled to the interface; and a storage unit coupled to the processor, in which: the storage unit holds attribute information indicating whether to permit access to the data; and the processor is configured to: receive a writing request of the data from a client computer coupled to the network; judge whether each of the each controller permits the requested writing based on the held attribute information and information of a location where the each controller is installed; and write the data in a data storage system controlled by a controller judged to permit the writing. | 03-26-2009 |
20090094246 | FILE SYSTEM ACCESS CONTROL APPARATUS, FILE SYSTEM ACCESS CONTROL METHOD AND RECORDING MEDIUM INCLUDING FILE SYSTEM ACCESS CONTROL PROGRAM - A file system access control which carries WORM commitment for files in a single transaction is provided. The file system access control apparatus includes command files that support WORM commitment, interprets WORM commitment command which is registered in command files by means of a daemon process module and executes WORM commitment in a file. A plurality of files and those under management of directories are changed of the file access modes to meet WORM. In addition, a system that allows WRITE command for the command files by means of a standard interface of the file system. The results of WORM commitment is registered in the repository files under the system regarding the present invention. | 04-09-2009 |
20090150455 | File server, file server log management system and file server log management method - The present invention provides a log management system which is devised so that improper behavior by managers with regard to the log information can easily be discovered. Virtual OS are respectively installed for respective users in a file server that can also be constructed as an NAS device. These virtual OS function as virtual NAS. The virtual OS and manager OS can exchange information relating to log information via an information exchange part constructed as a kernel. The log information produced in the virtual OS is transmitted to a first log management device via a first communications network, and is also transmitted to a second log management device via a second communications network. The respective networks are separated. As a result of the same log information being managed by multiplex management using separate management devices, it can be detected whether or not there has been any improper behavior with respect to the log information. | 06-11-2009 |
20090210452 | Method of substituting process in storage system - There is provided a computer system comprising: a storage system for storing data; and a management server coupled to the storage system. The storage system comprises a first interface, a first processor and a first memory. The management server comprises a second interface, a second processor and a second memory. In the case of which a first storage system stops receiving a process request, the management server selects a second storage system which receives a process request directed to the first storage system in place of the first storage system to be stopped. The second storage system instructs the first storage system to change an identifier of the first storage system, and receives a process request directed to the first storage system by assigning the identifier of the first storage system before the change to the second storage system. | 08-20-2009 |
20110078117 | BACKUP CONTROL APPARATUS AND METHOD ELIMINATING DUPLICATION OF INFORMATION RESOURCES - A backup control apparatus which references duplication management information which includes first stored location information indicating the stored location of first information resource and second stored location information indicating the stored location of a second information resource which duplicates the first information resource, and identifies, from among a plurality of information resources belonging to a backup region. The first information resource stored in the location indicated by the first stored location information, and a second information resource stored in the location indicated by the second stored location information corresponding to the first stored location information. The backup control apparatus replaces the identified second information resource with linked information indicating a link to the identified first information resource, and backs up the backup region in which the second information resource is replaced with the linked information. | 03-31-2011 |
20110154033 | ONLINE STORAGE SERVICE SYSTEM AND ITS DATA CONTROL METHOD - A WEB service providing server can execute WEB service processing using data provided by an online storage service providing server, and leaking of data at the WEB service providing server can be prevented. | 06-23-2011 |
20110191305 | STORAGE SYSTEM FOR ELIMINATING DUPLICATED DATA - A storage system | 08-04-2011 |
20110282868 | SEARCH METHOD, INTEGRATED SEARCH SERVER, AND COMPUTER PROGRAM - In a system in which multiple independent search servers are loosely coupled, a duplicate entry is detected and eliminated from search results sent from the respective search servers with respect to the same search condition. An integrated search control part of the search server, upon receiving an integrated search request, determines a hash algorithm to be used in common by the respective search servers. Each search control part responds to the integrated search control part by adding a hash value, based on this hash algorithm, to the search result. The integrated search control part detects and eliminates a duplicate entry on the basis of the hash value. | 11-17-2011 |
20120047168 | INTEGRATED SEARCH SERVER AND INTEGRATED SEARCH METHOD - In order to mitigate a load in communications among an integrated search server, a plurality of search users and a plurality of search servers in an integrated search system, in the present invention, when an integrated search is executed, first, information for narrowing down the search servers is obtained from each search server, and subsequently, the search servers are narrowed down based on this information, and search results are obtained from only the search servers which have been narrowed down. Thereby, there are advantageous effects of reducing memory usage of the integrated search server, and reducing unnecessary network traffic between the integrated search server and each search server. | 02-23-2012 |
20120101995 | FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE - A file server stores the storage management information and migration policy information. The storage management information includes the information that indicates a storage attribute for each storage apparatus. The migration policy information includes a plurality of information sets. Each of the information sets includes the information that indicates a condition of a file attribute and the information that indicates a condition of a storage attribute of a storage apparatus that is a migration destination. The file server specifies a migration target file, specifies a storage apparatus that conforms to the storage attribute condition that is indicated by the information set that includes the information that indicates a condition of a file attribute that conforms to of a file attribute of a target file based on the storage management information, and migrates a target file from a storage apparatus that has stored the target file to the storage apparatus that has been specified. | 04-26-2012 |
20120109940 | INFORMATION PROCESSING SYSTEM, METHOD OF CONTROLLING INFORMATION PROCESSING SYSTEM, AND SEARCH CONTROLLER - An integrated search process on files can be executed by multiple search devices even if setting granularities of access control to the files are different among the search devices. Upon execution of file migration or access control information batch update, information needed for a search server to execute security trimming is extracted from ACL information in a specific format on a document management server. Then the extracted information is transferred to the search server, converted to ACL information in a general format, and registered in a search index in the search server. With this process, a storage system using different access control methods is configured to perform the security trimming based on the ACL information with which access control having the finest setting granularity can be set. | 05-03-2012 |
20120159232 | FAILURE RECOVERY METHOD FOR INFORMATION PROCESSING SERVICE AND VIRTUAL MACHINE IMAGE GENERATION APPARATUS - An information processing service is allowed to be immediately recovered from failure without clustering information apparatuses that provide an information processing service. A failure recovery method for an information processing service provided by an information apparatus, the method includes: preparing a virtual machine image generation apparatus which generates a virtual machine image, and a virtual machine execution apparatus which runs a virtual machine based on the virtual machine image; generating and storing, by the virtual machine image generation apparatus, the virtual machine image based on system data and hardware configuration information which enable implementation of the information processing service at a time of normal operation of the information processing service; and running, by the virtual machine execution apparatus, a virtual machine which provides a function of the information processing service based on the virtual machine image when a failure occurs in the information processing service. | 06-21-2012 |
20120166751 | STORAGE APPARATUS AND STORAGE MANAGEMENT METHOD - Capacity limitations on virtual volumes are set easily. | 06-28-2012 |
20120259813 | INFORMATION PROCESSING SYSTEM AND DATA PROCESSING METHOD - The file synchronization processing among sites which can reduce the response time is realized. By the CAS device creating a list of at least a part of the file groups which the first sub-computer system archived or backed up to the data center as an update list and transferring the update list to the second sub-computer system, the second sub-computer system determines whether the file is valid or not by using the update list (See FIG. | 10-11-2012 |
20120265836 | FILE SHARING SYSTEM AND FILE SHARING METHOD - In a computer system according to an embodiment of the present invention, a first slave server includes copy management information associating a master file system identifier with an identifier of a slave server including a copy of the master file system identified by the master file system identifier. The first slave server acquires a copy of a part of a master file system. The copy includes a stub-state object (file or directory). The first slave server searches the copy management information for a slave server to be queried regarding information for materializing the stub-state object. If the slave server to be queried includes the information for materialization, the first slave server materializes the stub-state object using the information for materialization acquired from the queried slave server. | 10-18-2012 |
20120271868 | INFORMATION APPARATUS AND METHOD OF CONTROLLING THE SAME - Appropriate control is performed for data blocks and data block groups in a file. | 10-25-2012 |
20120290592 | FEDERATED SEARCH APPARATUS, FEDERATED SEARCH SYSTEM, AND FEDERATED SEARCH METHOD - Provided is a technique that can control a federated search apparatus to prevent transmission of access account information, which is not necessary to carry out security trimming, to search servers in the execution of federated search. The federated search apparatus according to the present invention includes an account correspondence table describing a correspondence between a first access account that issues a first search request for requesting federated search and second access accounts that issue a second search request to the search apparatuses. The federated search apparatus specifies the second access account corresponding to the first access account in accordance with the description of the account correspondence table, designates, as a search condition, a range that can be accessed by the second access account, and issues the second search request to the search servers. | 11-15-2012 |
20120311002 | COMPUTER AND DATA MANAGEMENT METHOD BY THE COMPUTER - The client computer which transmits an access request specifying an object existing in the first file system and the second computer which accesses the second file system are connected to the first computer which accesses the first file system. The second file system includes a shared directory. A specific object which is an object complying with the path name including the name determined in accordance with the type of the second computer is stored in the shared directory. The controller mounts the shared directory to the first file system. The controller creates a link which comprises a name determined in accordance with a certain naming regulation independent of the type of the computer and corresponds to the specific object in the first file system. | 12-06-2012 |
20120330907 | STORAGE SYSTEM FOR ELIMINATING DUPLICATED DATA - A storage system | 12-27-2012 |
20130091135 | FILE AGGREGATION METHOD AND INFORMATION PROCESSING SYSTEM USING THE SAME - The performance of the analysis system is deteriorated because file content extraction processing is performed in the file aggregation server and in the analysis server and further because annotation data creation is performed in the file aggregation server. Therefore, the present invention solves the problem by providing a file aggregation server classifying files into analysis target contents, non analysis target contents, and content matched data, and providing only the analysis target contents to the analysis server. Since this method enables the analysis server to acquire the analysis target contents directly from the file aggregation server, the processing of extracting contents from the files becomes unnecessary, and the throughput of the entire analysis system is improved. | 04-11-2013 |
20130124503 | DELTA INDEXING METHOD FOR HIERARCHY FILE STORAGE - A device relative to a delta indexing method for a hierarchy file storage including a from-end side file server and a back-end side file server is provided. The front-end side file server creates a file update list for accumulating a file update history in a file system therein, a search server requests the file update list to the front-end side file server, and the front-end side file server supplies path name information of a targeted file in the back-end side file server in addition to the file update list, thereby, the search accesses tot the back-end side file server to be able to acquire necessary information for a search index update. | 05-16-2013 |
20140122547 | FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE - A file server stores storage management information and migration policy information. The storage management information includes information that indicates a storage attribute for each storage apparatus. The migration policy information includes a plurality of information sets. Each of the information sets includes information that indicates a condition of a file attribute and information that indicates a condition of a storage attribute of a storage apparatus that is a migration destination. The file server specifies a migration target file, specifies a storage apparatus that conforms to the storage attribute condition indicated by the information set that includes the information indicating a condition of a file attribute that conforms to that of a file attribute of a target file based on the storage management information, and migrates a target file from a storage apparatus that has stored the target file to the storage apparatus that has been specified. | 05-01-2014 |
20140304242 | STORAGE SYSTEM FOR ELIMINATING DUPLICATED DATA - A storage system | 10-09-2014 |
20140358859 | FILE SHARING SYSTEM AND FILE SHARING METHOD - In a computer system according to an embodiment of the present invention, a first slave server includes copy management information associating a master file system identifier with an identifier of a slave server including a copy of the master file system identified by the master file system identifier. The first slave server acquires a copy of a part of a master file system. The copy includes a stub-state object (file or directory). The first slave server searches the copy management information for a slave server to be queried regarding information for materializing the stub-state object. If the slave server to be queried includes the information for materialization, the first slave server materializes the stub-state object using the information for materialization acquired from the queried slave server. | 12-04-2014 |