31results about "Redundant operation error correction" patented technology

The invention is a modular backup and retrieval system. The software modules making up the backup and retrieval system run independently, and can run either on the same computing devices or on different computing devices. The modular software system coordinates and performs backups of various computing devices communicating to the modules. Actions of modules on one of the computing devices acts as a system manager for a network backup regimen. A management component acts as a manager for the archival and restoration of the computing devices on the network. It manages and allocates library media usage, maintains backup scheduling and levels, and supervises or maintains the archives themselves through pruning or aging policies. The management component is not hard wired in its functionality, but may adapt to changing circumstances in these policies. A second software module acts as a manager for each particular library media.

A system, method and computer readable medium for providing a snapshot of a subset of a file system. A first snapshot of a first set of source files in a file system is generated. The first snapshot includes an inode corresponding to each source file in the first set of files. Stored in each inode is a first identifier associated with the first set of files and a second identifier associated with the time of the first snapshot. Next, a second snapshot of a second set of source files is taken. The second snapshot includes an inode corresponding to each source file in the second set of files. Stored in each inode are a first identifier and a second identifier. Subsequent snapshots are taken every first period and every second period for the first set of files and the second set of files, respectively.

The present invention relates to a continuous data protection system and method combining with a snapshot technology. The system comprises a client, a server side, a specialized storage device which can be communicated with each other through a network, and the method combines instantaneous recovery properties of the snapshot storage and I / O level of fine grain recovery properties of a block-level CDP technology. The method is applied to data backup and data recovery. Compared with the prior art, the continuous data protection system and method disclosed by the present invention have advantages such as saving time, saving a storage space, and the like.

A transmitting unit divides a transmit data into a plurality of code blocks, and encodes each of the plurality of code blocks to generate a transmission signal. The transmitting unit transmits the transmission signal, and a receiving unit receives the transmission signal as a reception signal. The receiving unit receives performs an iterative decoding to each of the plurality of code blocks of the reception signal. The iterative decoding is terminated to a first code block group in which an error has not been detected before a first setting iteration count. The receiving unit, when being an error in the reception signal, transmits a retransmission request feedback data which contains a NACK data and a data indicating the first code block group to the transmitting unit. First resources are assigned for each of the plurality of code blocks of the transmission signal. The transmitting unit assigns resources of the first code block group of the plurality of code blocks of the transmission signal to second resources which are fewer than the first resources, based on the retransmission request feedback data, and retransmits the transmission signal to the receiving unit.

Methods, systems and articles of manufacture consistent with the present invention configure a computing system with a logging service that interacts with implementation objects associated with particular types of storage devices through a storage interface. The implementation objects may include processes used to access the storage devices during logging operations. The logging service may also be configured to adjust which storage device is to be used for logging operations without restarting the computing system. This adjustment may be made through a property file that includes properties specific to individual types of storage devices. The property file may be modified to include new properties by a system administrator or by the logging service during runtime operations of the computing system. The new properties may designate new storage devices to be used by the logging service to perform subsequent logging operations.

The invention provides a method for restoring encrypted information in an encryption card. Based on a backup mechanism, the method ensures that in an environment of a plurality of administrators, when one administrator updates a protection key in a card, the function that other administrators without updated protection keys still can descript sensitive data, start the service function of the encryption card and guarantee that the normal work of the encryption card is realized.

The invention provides an uninterrupted data processing device and method based on data table rotation. The uninterrupted data processing method includes the steps that a configuration table is regularly modified based on user configuration instructions, wherein the configuration table comprises a data processing date field, current official task data table number fields and a status switching field; one of the two official task data tables is used based on the configuration table so that data processing tasks from external systems can be processed in real time; data backup operation and data cleaning operation are periodically conducted based on the configuration table and through at least one backup historical data table. According to the uninterrupted data processing device and method based on the data table rotation, the influences of data fragments on data processing performance can be eliminated, and stable resource consumption can be kept.

The invention is applied to the technical field of mobile terminals and provides a method and a device for sharing a mirror image document. The method comprises the following steps of acquiring item information in the mirror image document through Boot and storing the item information in a sharing internal memory; starting LK, reading the item information in the sharing internal memory through LK, detecting hardware identification information, correcting the item information in the sharing internal memory according to the hardware identification information, and loading a configuration document corresponding to the corrected item information; starting Kernel, reading the item information in the sharing internal memory through Kernel, creating a document interface and starting an init progress to start Android; acquiring the item information through the document interface after starting the Android. According to the embodiment, the same mirror image document is shared by mobile phones of different development items; the compatibility of the mirror image document and the development efficiency of the mobile phone items are improved.

A system and method for generating backups of a protected storage system from protected data in a recovery system including protecting data in the recovery system, the recovery system including a target disk configured to store a replica of the protected storage system from a predetermined time point and a journal including data and metadata of write operations to the protected storage system that occurred after the time point, periodically generating replicas of the protected storage system from the recovery system, and storing the replicas as backups.

The invention discloses a cache data processing method, which comprises the following steps of: performing state monitoring on each node of a storage cluster, and recording node state information; after monitoring that the target node has a fault, writing the cached dirty data of the target node into non-volatile storage equipment; when the target node is recovered, determining a partner node which backs up the cache data with the target node by utilizing the cache pair relation table; judging whether the partner node operates normally or not by using the node state information; and if so, discarding the cached dirty data, and synchronizing the cached data between the target node and the partner node. Therefore, in the double-control/multi-control system, even if the node has a fault and is recovered again, the recovered node can be ensured to keep the system data consistency. The invention further discloses a cache data processing device and equipment and a readable storage medium which have corresponding technical effects.

The invention discloses a configuration file monitoring method, device and apparatus of server and a readable storage medium. According to the scheme, when BMC operates normally, a BMC configuration file is monitored through a background task. After the configuration file is monitored to modify, a check code of the modified configuration file is generated, and a calculated check code and a modified configuration file are stored in a backup area. In the BMC starting process, integrity checking can be conducted on the configuration file in the system according to the check code, the safety and reliability of the BMC configuration file are guaranteed to the maximum extent, the situation that the BMC mirror image file is burnt again due to damage of the configuration file is avoided, the maintenance time is shortened, and the maintenance cost is reduced.

Techniques for reconfiguring a snapshot of a virtual machine (VM) may be provided. The VM may be deployed on a hypervisor running on a computer. Techniques comprise provisioning of a VM, installing and configuring an operating system and a base program. A snapshot of the virtual machine may be taken together with the operating system and the base program together with configuration data defining the configuration of the virtual machine, the operating system and base application in a metadata descriptor. All may be stored in a persistent storage. Then the content of the metadata descriptor may be modified, and it may be reverted back to the snapshot using the modified content of the metadata descriptor such that the snapshot of the virtual machine with the operating system and the base program is reconfigured upon deployment of the snapshot including the operating system and the base program.

The embodiment of the invention discloses a method for realizing a field programmable gate array and a device thereof. The embodiment of the realization method of the field programmable gate array is realized by the following steps: receiving arithmetic data, and determining a calculation function corresponding to the arithmetic data; determining call number and variety of a basic function unit according to the calculation function; distributing the basic function unit according to the call number and variety of the basic function unit; and establishing a connection with the basic function unit to calculate the arithmetic data. The number and variety of the basic function unit to be called for calculating the arithmetic data can be obtained through analyzing the arithmetic data, and the basic function unit is distributed according to the requirement, so as to realize centralized dispatching on the basic function unit and reduce repeated application of the basic function unit, thereby saving logic resource.

The invention discloses a linux script application deployment method, a linux script application deployment system, computer equipment and a storage medium, which relate to the technical field of internet application deployment. The linux script application deployment system comprise a production environment server, an application server, a first storage unit and a second storage unit, wherein theproduction environment server is used for automatic packaging; the application server is used for receiving a packet sent by the production environment server, storing the packet to a corresponding path, running a starting log and completing script deployment; the first storage unit is used for storing the log recorded by the production environment server; and the second storage unit is used forstoring the log recorded by the application server. According to the linux script application deployment system, packaging is conducted in a production environment directly, an application package does not need to be brought to the production environment from an office network, a tedious packaging command does not need to be remembered, the script prompts to select the application to be packaged,code pulling, packaging, copying, old package backup and server restarting are all automatically completed through the script, time is saved, errors are reduced, and the technical requirement of packaging deployment for operators is lowered.

The invention relates to the technical field of data backup, in particular to a snapshot technology combined continuous data protection system. The system includes a client, the client is in network connection with the remote mirror image system; the data transmission module is used for transmitting data in a database. the remote mirror image system is in network connection with the backup storagesystem through a local area network; data in the database can be backed up and stored; wherein the backup storage system is sequentially connected with the snapshot technology system and the server host through a network; the snapshot technology system and the remote mirror image system are combined to realize remote backup; according to the invention, data can be arranged through the control system; according to the data backup method and device, the data can be distinguished according to the importance priority and preferentially transmitted according to the importance level through analysis and classification, the phenomenon that important data are lost due to the fact that the data are very disordered during backup is avoided, important data transmission is guaranteed, the backed-up data can be stored in order, and the use requirement can be met.

The invention discloses a block-level data backup system, which comprises a console, a client and a backup server. The client comprises a client service module, a backup task execution module and a block change monitoring module which are connected in sequence; the console is used for managing the client and the backup server, making a backup plan and issuing the backup plan to the client and the backup server; the client service module is used for receiving a full backup or incremental backup plan of a user; the backup task execution module is used for executing a backup task, the backup task execution module comprises a full backup sub-module and an incremental backup sub-module, and each sub-module is realized through a main thread, a read thread, a compression thread, an encryption thread and a write thread; and the block change monitoring module is used for monitoring block change, storing block change information in a bitmap form and providing the block change information to the backup execution module for use. According to the invention, the block level change tracking technology is utilized to monitor the change block of the to-be-protected volume, and accurate change data can be obtained, so that the consistency of backup data is ensured.

The invention relates to an electronic controller program updating method and device, an electronic controller and a storage medium. The method comprises the following steps: when at least one of a power-on operation and a reset operation is carried out on the electronic controller, determining current to-be-verified target entrance information in the electronic controller; if the target entry information passes the validity verification, acquiring a target program, so that the effectiveness of the target entry information of the target program can be ensured; if the target program does not pass the integrity verification, acquiring a backup program corresponding to the target program. and if the backup program passes the integrity verification, updating the target program of the electronic controller into the backup program. Therefore, when the integrity verification of the target program is unsuccessful, the control function and the communication function of the electronic controller can be automatically recovered by updating the target program into the effective backup program, so that the running safety of the automobile is ensured.

The invention provides a method for restoring a news client reading record based on an Android system, and belongs to the field of data restoration. The method comprises the following steps: S1: extracting a news client reading record database file of an Android device to a local storage space; S2: analyzing a data structure of a news client reading record database netease _news.db table read _calendar _list, and finding deleted data; S3: configuring corresponding database features according to a database structure, and recording configuration information; and S4: writing the extracted deleted data in a newly built database. The method provided by the invention has the beneficial effects that: 1, compared with the prior art, the number of the extracted deleted news client reading records is large; 2, as a data copy mode is adopted, no direct operation of a mobile phone is required, so that the security of source data can be better protected; and 3, as a field feature library matching function is available, redundant data can be automatically filtered.

An embodiment of the invention provides a short message restoration method and device; the method comprises: acquiring from a mobile terminal, a short message backup file to be restored; writing in a memory, short messages in the short message backup file via at least two divisions, and writing from the memory in a short message database via at least two divisions. Since interval of time for the two divisions of writing the short message backup file into the memory and writing from the memory to the short message database is generally short, normal execution of the whole restoring operation is guaranteed; in the case of the short message backup file having high data quantity, part of data are written in the memory each time and then written into the database; the memory is reused, less data can be written into the memory each time, usage of the memory is reduced, it is guaranteed that writing is within the bearing range of the memory, memory exceeding is avoided, and normal running is guaranteed.

The invention discloses a data management method and device of a single-chip microcomputer, a computer readable storage medium and a system. The data management apparatus includes an address acquisition unit and a data management unit. According to the data management method and device, the computer readable storage medium and the system, the read first data is verified, and output or correction is carried out according to the verification result and the backup sector data, so that the data security and the data stability of a single-chip microcomputer system are enhanced; furthermore, according to the data management method and device of the single-chip microcomputer, the computer readable storage medium and the system provided by the invention, a data rollback function is added, so that the disaster recovery capability of the data is enhanced, and the data stability is further improved.

The invention discloses a restoring method of meta data and a device. The restoring method includes that produced business of a meta data server is stored when the meta data server is in the abnormal period and a file identification corresponding to each business is stored. The meta data are produced according to the business corresponding to the same file identification by the stored business after the abnormality of the data server is removed. The produced meta data are delivered to the meta data serve. According to the restoring method of meta data and the device, business produced by the meta data server in the abnormality period and the corresponding file identification are stored. Due to the fact that the meta data produced by the corresponding business of the same file identification can be transmitted, the transmitting way can aim at the fact that the meta data are transmitted parallely by a plurality of files, thus restoring efficiency of the meta data is effectively improved. A plurality of meta data servers are restored uniformly in a short time as soon as possible. Reliability of the system is improved. A large amount of time occupied by the recovering of the server is avoided. The regular conduction of the business of a user is guaranteed as far as possible.

The invention relates to an asynchronous data synchronization method of a four-machine hot backup real-time system, belongs to the technical field of multi-machine hot backup control systems on spacecrafts, and particularly relates to an asynchronous data synchronization method based on the four-machine hot backup real-time system. Information exchange between single machines is carried out, whether the data information is used or not is determined according to the states of the events received by the four machines, the data information is used as long as the state of the event received by oneof the four machines is valid, the problem that the four machines are asynchronous due to the fact that a single machine cannot receive data caused by faults is solved, and the reliability and safetyof the hot backup system are improved.

Techniques involve: acquiring a first source snapshot for a source storage object stored in a source storage device; determining first difference data between the first source snapshot and the source storage object or a second source snapshot for the source storage object, creation time of the first source snapshot being associated with creation time of the second source snapshot; and sending the first difference data to a destination storage device to enable the destination storage device to create a first destination snapshot for a destination storage object stored in the destination storage device based on the first difference data. Such techniques can migrate snapshots more efficiently to improve storage management efficiency.

The invention discloses an identification learning system for artwork body identification, and particularly relates to the field of artwork identification, and the identification learning system comprises a three-dimensional scanning system, a data storage system, a database, a matching system and an identification system.The three-dimensional scanning system carries out three-dimensional scanning on artworks, and carries out classification according to the shapes of the artworks; the data storage system performs conversion and feature extraction on the three-dimensional scanning data, stores the data, matches the data obtained by scanning through the matching system after the data is prevented from being lost, confirms whether the artwork is similar to the artwork in the database, divides the artwork according to the matching frequency of the similar artwork, and stores the artwork in the database; wherein the artworks which are judged to be matched for more than 5 times are common artworks and can be authenticated by novice students, and the artworks which are judged to be matched for less than 5 times and can be authenticated by old students can be authenticated through an authentication system, so that authentication teaching is performed in a targeted manner.

The invention provides a data storage method and device, equipment and a medium provided. According to the invention, after to-be-written data is obtained by data writing equipment, if an applied target storage file is failed to be obtained from the data management equipment, the target storage file is selected from preset storage files; and metadata recording the corresponding relationship between the to-be-written data and the target storage file is written into the target storage node together with the to-be-written data. Therefore, when a data management node is abnormal, the data writing node can still continue to write data into the storage node, and the situation of data loss is avoided.