Patent application number | Description | Published |
20080244738 | ACCESS CONTROL - An access control method includes receiving an access request to a file system from a user terminal through a common Internet file system (CIFS) or a network file system (NFS) and determining whether the access request should be allowed. The method includes determining whether a basic permission attribute of an access request used in the NFS should be allowed with reference to access control information associated with basic permission attributes, the basic permission attribute being associated with an access request received from the user terminal through the CIFS, the access control information indicating whether an access request to respective objects of the file system should be allowed or denied, and the access control information being stored in an access-control-information storing unit. The method also includes determining whether the access request associated with the allowed basic permission attribute should be allowed, in reference to the access control information. | 10-02-2008 |
20080320062 | METHOD OF TRANSFERRING FILE SYSTEM, FILE SYSTEM TRANSFERENCE PROGRAM, AND FILE SYSTEM TRANSFERENCE DEVICE - It is an object of the present invention to realize the transference of a file system without moving data. A transference source file system outputs to a device driver a physical block number included in extent information. A transference driver intercepts an I/O request to the device driver, and obtains a physical block number of the I/O destination. A transference tool obtains a physical block number from the transference driver, and outputs the physical block number to the transference destination file system in order to realize the transference of a file system. | 12-25-2008 |
20090006500 | NAMESPACE REPLICATION PROGRAM, NAMESPACE REPLICATION DEVICE, AND NAMESPACE REPLICATION METHOD - A namespace replication database update step that acquires events relating to namespace update from a FS control server | 01-01-2009 |
20090319661 | CLUSTER NODE CONTROL APPARATUS OF FILE SERVER - When a network file service is transferred from a transfer source node to a transfer target node, a file service state utilized by a client in the transfer source node is transferred to the transfer target node. Then, after the file service state is transferred to the transfer target node, a file service request (I/O request) reached from the client to the transfer source node is transmitted to the transfer target node. | 12-24-2009 |
20100115533 | Request content extraction method and apparatus - A filter object is set to combine with a driver causing a device to operate by calling entry functions from a kernel. A second function, via which the driver notifies to a first function of the kernel an entry point, a collection of memory addresses of the entry functions, and an entry point of the filter object, are defined in advance for the filter object. The filter object is caused to extract the entry point of the driver, if, upon installation of the driver, the driver is caused to call the second function defined in advance for the filter object; and to set the entry point of the filter object as an argument and call the first function of the kernel, to extract a content of a request from an application to the device, after the entry point is extracted. | 05-06-2010 |
20100121823 | COMPUTER-READABLE RECORDING MEDIUM STORING CLUSTER SYSTEM CONTROL PROGRAM, CLUSTER SYSTEM, AND CLUSTER SYSTEM CONTROL METHOD - A computer-readable recording medium stores a cluster system control program controlling a cluster system in which clustered nodes are connected to a shared disk having a journaling file system. The cluster system control program causes a computer to execute a request reply information generation procedure for, when a request is accepted from a client, generating request reply information including an identification number identifying the request and reply data to respond to the request from the client, and a saving procedure for saving the request reply information generated by the request reply information generation procedure in the journaling file system. | 05-13-2010 |
20100131728 | COMPUTER-READABLE RECORDING MEDIUM STORING DATA MIGRATION PROGRAM, DATA MIGRATION METHOD, AND DATA MIGRATION APPARATUS - A data migration apparatus migrating data from a first storage to a second storage includes a switching unit for switching a destination of an I/O request issued by a business application from a device node of the first storage to a device node of the second storage; a copying unit for copying data stored in the first storage to the second storage; a transferring unit for transferring the I/O request to the device node of the first storage; an executing unit for executing the read or write process on the first storage; a re-copying unit for re-copying target data of the write process from the first storage to the second storage; and a stopping unit for stopping the transfer of the I/O request to the device node of the first storage. | 05-27-2010 |
20100287257 | RECORDING MEDIUM STORING A RELAY PROGRAM, RELAY APPARATUS, AND RELAY METHOD - A relay apparatus includes a first unit to change, in location information referred to using the terminal apparatus in accessing to the single resource and registers an integrated address indicative of the location of the storages as the single resource and addresses indicative of the locations of the storages in correspondence with one another, a first address of the addresses, indicative of the location of a migration source storage that stores migration data to be made to migrate to another storage to a second address indicative of the location of the relay apparatus, a relaying unit to relay access to the migration source storage in response to access to the relay apparatus made from the terminal apparatus based on address changing executed using the first unit, and a migration unit to make the migration data migrate to another storage when the access has been relayed using the relaying unit. | 11-11-2010 |
20110161370 | APPARATUS, PROGRAM, AND METHOD FOR FILE MANAGEMENT - In a file management apparatus, upon receipt of an access request from a file access device, a device access rights determination unit determines whether to grant the file access device access to a file. In addition, a user access rights determination unit determines whether to grant the user who made the access request through the file access device, the access to the file. Then, when the device access rights determination unit and the user access rights determination unit both grant the access, a file access unit accesses the file stored in the storage device according to the access request. | 06-30-2011 |
20110282923 | FILE MANAGEMENT SYSTEM, METHOD, AND RECORDING MEDIUM OF PROGRAM - A system including computers storing files, a first computer of the computers includes a storage unit to store information about a first directory that includes identification information of a second computer that store information about a second directory or a file under the first directory, and a replying unit to reply, when a request for looking up information about the second directory or the file is received, with the identification information of the second computer stored in the storage unit. | 11-17-2011 |
20120117131 | INFORMATION PROCESSING DEVICE, FILE MANAGEMENT METHOD, AND RECORDING MEDIUM FOR FILE MANAGEMENT PROGRAM - A computer-readable, non-transitory medium storing a program causing a computer to execute a process, the computer being connected through a network to a plurality of file management devices which store a plurality of files distributed in the plurality of file management devices, the process including: extracting an identification information of a file management device by a file descriptor specified in a request for locking a file, the request being generated by an application that is activated on the computer; and transmitting the request for locking the file through an interface section to the file management device corresponding to the identification information. | 05-10-2012 |