19 results about "File system" patented technology

A system and method for “on-the-fly” de-duplication of data before storing the data in a storage system is provided. A data de-duplication module illustratively cooperates with protocol servers and a file system of a storage operating system executing on the storage system to implement the novel de-duplication technique. The de-duplication module illustratively generates a block store, an index file and a hash table on storage space provided by the storage system. The hash table is utilized for tracking fingerprints and locations of blocks within the block store. The index file is utilized for storing directory information identifying the contents of data containers stored on the storage system, while the block store is utilized to store raw data blocks that comprise the data containers.

A system and method for multivolume file system backup without suspending activity of user application programs uses a file system snapshot of two and more partitions or volumes of the storage device, or two and more data storages, significantly increasing computer system availability and allows backing up two and more partitions of the storage device without interrupting computer services. Backup procedure is performed online, simultaneously creates snapshots of two and more partitions of the storage device or storage devices in the pre-selected point of time and copies data blocks from partitions into the backup storage device, optionally through the intermediate storage device. When a write command is directed to a data storage block identified for backup that has not yet been backed up, the identified data storage block is copied from the storage device to the intermediate storage device, the write command is executed on the identified data storage block from the storage device, and the data storage block is copied from the intermediate storage device to the backup storage device.

A storage device comprising has a storage medium, a read-write mechanism, an object-based file system interface, and a controller. The read-write mechanism is adapted to read and to write data from and to the storage medium. The object-based file system interface within the storage device is adapted to organize and access data on the storage medium as objects and to access attributes of each data object. The controller is adapted to generate redundancy data for each data object to be stored on the storage medium according to the associated attributes and to store the data object and its associated redundancy data on the storage medium.

The invention relates to a method for medical image data decentralized management based on a block chain. The data owning end uploads the owned medical image data stores the medical image data as an interstellar file system (IPFS) file, the hash value for the medical image data is taken and the link list file in the IPFS is encrypted by using the public key of the data owning end; the data accesscontract uses the private key of the data owning end to decrypt the encrypted link list file in the step according to the smart contract, and when the data use end transmits the data use end public key information and the payment tokens to the data access contract to request for obtaining the medical image data, the data access contract uses the user public key to encrypt the decrypted link list file again to be transmitted to the data use end and also generates the block chain storing the hash address; and the data use end performs decryption operation through the data use end private key toobtain the link list file and retrieves the interstellar file system to obtain the actual medical image data.

A framework for automatically provisioning computing devices includes a central database system and a central file system. Information stored in the database comprises a model of the individual devices, as well as the interconnections of the devices. The central file system stores the software components to be installed on the devices. When provisioning is carried out, the database sends commands to agents located on each device which cause them to retrieve and install the software components from the file system, and to configure the components according to the stored model.

Devices, methods and products are described that provide removable storage device data protection. One aspect provides a method comprising: ascertaining a protected removable storage device connected to an information handling device, said protected removable storage device having a first partition for storing data according to a first file system type, and a second partition for storing user data according to a second file system type; and responsive to said information handling device recognizing said second file system type, querying for user credentials to decrypt a data encryption key used to encrypt said user data of said second partition. Other embodiments are described.

The invention discloses a storage system for a network communication recording device of a digital substation. The storage system comprises a main controller board module, a hard disk pack module and an IPMI (Intelligent Platform Management Interface) module, wherein the main controller board module is provided with an embedded processor, dual memories and an operation accelerator chip; software system modules are arranged in the dual memories; an operation system module of each software system module is used for running an guiding and loading program for the embedded processor, driving an embedded Linux operation system and introducing a Rootfs file system; a monitoring module is used for monitoring system operation, network link, chip temperature and voltage data of a module and providing the data to the outside through an IPMI specification; a storage control module is used for establishing, removing, restoring, reestablishing and monitoring a disk array of the hard disk pack module, carrying out operation management through a WEB management interface module and realizing NAS (Network Attached Storage) management and IPSAN (Internet Protocol Storage Area Network) management through a data access management module; a data tamper preventing module is used for preventing data from being illegally tampered; and the hard disk pack module is an RAID (Redundant Array of Independent Disk) 0/1/5/6 type disk array; and the IPMI module is used for monitoring the operation condition of the storage system and exporting monitoring data according to the IPMI specification.

The invention discloses a distributed file deletion method, which comprises the following steps: setting a mark to be deleted for each preset directory of a file system, wherein the mark to be deletedcomprises a time to be deleted; setting the preset directory whose deletion time is shorter than the current system time as the directory to be deleted every preset cycle; performing a delete operation on the data of the directory to be deleted. As that mark to be deleted are added to each preset directory, As that current system time is long than the time to be deleted, and the data under the preset directory is deleted, it can be seen that the deletion method is simple and does not require the user to pay attention to the operation, avoids the operation of manual deletion or relying on theupper application deletion when the stored data is over-aged, thereby realizing the automatic deletion of the over-aged preset directory, reducing the operation cost, and improving the customer experience. The present application also provides a distributed file deletion apparatus and system and a computer-readable storage medium, which have the above-mentioned beneficial effects.

The invention relates to a virtualized resource mirror image storage system and an implementation method thereof. The virtualized resource mirror image storage system comprises a FUSE file system and a mirror image repeated data deletion system. The FUSE file system receives R/W requests from a plurality of mirroring services and sends read-write information to the mirroring duplicated data deleting system for processing, and after processing is completed, the FUSE file system stores data into a disk or reads data from the disk. According to the system and the method, efficient storage of the virtual resource mirror image is realized, the management problem of unified storage of the virtual machine mirror image and the container mirror image is solved, and the problems of high storage pressure and the like caused by increasing mirror image data are relieved to a certain extent.

The invention discloses a file index building method and system. A file written according to preset format information is received, and is saved by using a preset file name according to a preset naming standard; the file name is monitored by a monitor arranged on a file system, and a corresponding file resolver is searched according to the file name; by the searched resolver, a keyword is resolved from the format information of the file, and the keyword is added into an XML index file according to a preset rule. In this way, the multi-dimension XML index file can be built according to the file name and the format information of the file in a file writing process, whether needed information exists or not, the detailed position of the needed information and inter-information dependency can be known by inquiring the XML index file in a file using process, a retrieval process can be simplified, and effective information can be accurately retrieved.

The Priority Filter View (PFV) provides a set of visual forms which allow for the user to interactively display, query, filter, sort, organize and disseminate information. This is done by exposing the relationships to the user without necessarily having to visually depict them. These relationships are often displayed with common graphical user interfaces which replicate the exact hierarchal data structures which exist in XML and folder style file systems. The PFV does not impose those rigid limitations, allowing the user to dictate the order in which content is filtered and displayed.

The invention discloses a file searching method of an intelligent card file system. The intelligent card file system comprises a main file MF, a special file DF and a basic file EF. The file searchingmethod comprises the steps that a file storage module divides a storage area of an intelligent card file system, designs a data structure of the intelligent card file system and stores data content of the intelligent card file system; a file creating module creates a main file MF, a special file DF and a basic file EF, and distributes the space occupied by file content, calculates the storage address of a file, constructs a file linked list, updates a directory and a file header data structure, and calculates the size of a remaining space and a latest storage address when creating the file; and a file search processing module carries out file search and file selection in the intelligent card file system.

A generation unit is configured to generate a document with a font embedded therein in a case where a determination unit determines that a parameter is an instruction to transmit the generated document to a print service system, and configured to generate a document without the font embedded therein in a case where the determination unit determines that the parameter is not an instruction to transmit the generated document to the print service system.