38results about How to "Reduce backup costs" patented technology

The invention belongs to the technical field of intelligent vehicle control and particularly relates to an intelligent vehicle service system based on the Internet of vehicles. The intelligent vehicleservice system comprises an Internet-of-vehicles cloud end, a vehicle end and a mobile phone, wherein the Internet-of-vehicles cloud end comprise a TSP platform and an OTA service platform and is used for providing the vehicle network and OTA upgrade service, and the TSP platform is used for realizing interconnection between the Internet-of-vehicles cloud end and the mobile phone and interconnection between the Internet-of-vehicles cloud end and the vehicle end and providing Internet-of-vehicles service for the mobile phone, including vehicle state push, vehicle networking abnormal push and vehicle upgrade message push. The intelligent vehicle service system is advantaged in that upgrade can be performed anytime anywhere by a user, cost is relatively low, the vehicles and the user upgradedata can be analyzed and processed by the Internet-of-vehicles cloud end, the possibility is provided for to better serve users and predict user needs in advance, backup cost can be reduced, and theintelligent vehicle service system is convenient for management.

A storage unit connected to other storage units, each having of first disk drives, includes second disk drives; a first receiving unit receiving copies of first storage data, stored in storage blocks created by logically partitioning a data storage area of the first disk drives, and first identifiers identifying the storage blocks, from the other storage units; a first operation controller calculating an exclusive OR of the copies of the first storage data, with a correspondence established among the first identifiers, from the copies of the first storage data received by the first receiving unit; and a first storage controller storing a calculation result of the exclusive OR from the first operation controller, into storage blocks of the second disk drives having second identifiers that correspond to the first identifiers and that individually identify storage blocks created by logically partitioning a data storage area of the second disk drives.

The embodiment of the invention provides a backup method and system for stack equipment. The method comprises the following steps: after all equipment in the stack equipment negotiate master equipmentand salve equipment, the master equipment sets the master equipment as PSE power supply equipment, and sets other slave equipment as PD power receiving equipment; the master equipment turns on a corresponding power supply switch, and supplies power for other slave equipment through a POE link between the master equipment and other slave equipment; when acquiring that the master equipment is abnormal from other slave equipment, other equipment elects one set of slave equipment as the new PSE power supply equipment; the new PSE power supply equipment sets other equipment except the PSE power supply equipment as the PD power receiving equipment; the new PSE power supply equipment turns the corresponding power supply switch, and supplies power for other equipment through the POE link betweenthe new PSE power supply equipment and other equipment. The redundant backup of the power supply is guaranteed when the data stack is realized through the backup method provided by the embodiment of the invention, the handover packet loss caused by equipment power failure can be avoided, and the stack equipment performance is improved.

This invention discloses a clock bachup system in a communication device to reduce the cost for clock backup of the base stations on the basis of meeting the reliability of clocks, which takes TCVCXO as the standby clock of a communication device (base station), the primary and standby clocks are designed in two phase locking loops of a same signle board to carry out the switch by locking the loops and the reference source and clock test.

The invention discloses a device for realizing the software compatibility of a functional module on different TV platforms. The device for realizing the software compatibility of the software compatibility on different TV platforms comprises a TV platform module, a data storage module suitable for the TV platform, an information storage module suitable for a functional module and a communication module suitable for the TV platform and the functional module. The device avoids development of different multimedia module software systems for different machine cores, thus reduces the software backup cost during the development process, reduces the version management cost, and prevents upgrade errors caused by excessive versions during the future maintenance process.

The invention provides a determination method for reserve capacity of a power system accessed with wind power generation. According to the method, total load forecast error distribution of a system of each control region is obtained by a mode of a correlation coefficient between forecast error random time sequences of a wind power-load node, and the reserve capacity required for configuration is obtained according to a total error distribution curve. With the method provided by the invention, the changing condition of a region boundary can be effectively handled, a standby calculation result can be rapidly and accurately acquired, and the accuracy and the reliability of the reserve capacity after wind power is accessed are ensured; and meanwhile, the dual requirements of reliability and economy are considered, a flexible load is used for participating in reserve capacity allocation, the standby cost is reduced, and the purpose of economic optimality is achieved.

An intelligent switching system of a client access server is characterized in deploying multimedia teaching systems and teaching clients in a local area network of each school, and deploying a backup server and a teaching client intelligent configuration system in a machine room of an internet data center. The multimedia teaching system of each school accesses the Internet through Internet IP of each school system. Local area network IP, Internet IP, and teaching resources of the multimedia teaching system are backed up to the backup server. The backup server reports received local area network IP of the multimedia teaching system, Internet IP, and teaching resources to the teaching client intelligent configuration system, and further reports IP of the backup server to the teaching client intelligent configuration system. The teaching clients of the teaching client intelligent configuration system binds teaching client intelligent configuration system IP addresses and domain name.

The invention provides a method for establishing a multi-stage standby acquisition joint optimization model of an electric power system, which comprises the following steps of: 1) defining standby requirements on four time scales according to an operation control process of the electric power system; 2) obtaining operation parameters of the thermal power and hydroelectric generating set, and establishing each-level reserve capacity constraint model of the thermal power and hydroelectric generating set; 3) acquiring operation parameters of lithium battery energy storage, and establishing a lithium battery energy storage operation and standby constraint model; and 4) establishing a multi-stage reserve obtaining joint optimization model under the condition of meeting the operation constraint of thermal power generating units, hydroelectric generating units and lithium battery energy storage and the capacity constraint of each stage of reserve, thereby realizing the optimal obtaining of each stage of reserve by exciting thermal power, hydroelectric power and energy storage to provide reserve of different time scales, ensuring that each stage of reserve of a power system is sufficient, and improving the reliability of the power system. The safety of the power grid is improved; meanwhile, the overall economy of each-level standby acquisition is ensured, and the operation efficiency of a power system is improved.

The invention provides a determination method for reserve capacity of a power system accessed with wind power generation. According to the method, total load forecast error distribution of a system of each control region is obtained by a mode of a correlation coefficient between forecast error random time sequences of a wind power-load node, and the reserve capacity required for configuration is obtained according to a total error distribution curve. With the method provided by the invention, the changing condition of a region boundary can be effectively handled, a standby calculation result can be rapidly and accurately acquired, and the accuracy and the reliability of the reserve capacity after wind power is accessed are ensured; and meanwhile, the dual requirements of reliability and economy are considered, a flexible load is used for participating in reserve capacity allocation, the standby cost is reduced, and the purpose of economic optimality is achieved.

The invention discloses a data backup device. The data backup device includes: a detection module for detecting operation instructions corresponding to the data of a full data set in a mobile terminal; an acquisition module for obtaining pre-backup data in the mobile terminal Set and full data set; change module, used to change the measurement value of the full data set and the index of the pre-backup data set according to the operation instruction, wherein the measurement value represents the change status of the data in the full data set, and the index is used to identify the full data set the data in; a backup module, configured to back up the data corresponding to the index in the pre-backup data set if the measurement value is greater than a preset threshold. The invention also discloses a data backup method. The invention realizes the fine-grained incremental backup method based on the measurement value, controls the amount of data backed up and the backup frequency according to the measurement value, adopts the incremental backup method to avoid redundant storage of data, reduces the cost of data backup, and improves the efficiency of data backup .

The invention discloses a backup method and device for BRAS (Broadband Remote Access Server) equipment. The method includes that a main control board of the BRAS equipment sends a backup slave interface activation command to a second interface board if determining failure of a first interface board, wherein the command carries backup PPPOE slave interface marks, corresponding to all main PPPOE slave interfaces of the first interface board, on the second interface board; and the main control board sends user information connected to all the main PPPOE slave interfaces of the first interface board and maintained by the BRAS equipment to the second interface board. Inter-board backup for the BRAS equipment is realized and backup cost is saved.

The invention discloses a video data storage system and an operation method thereof, and an index server. The video data storage system of the present invention includes an index server and at least two storage servers for storing video data, the index server stores a first mapping relationship between the camera identification code and the storage server identification code, and the storage server stores the camera identification code, The second mapping relationship between the time range of the video data and the physical location in the storage server; the operation method includes the following steps: the index server counts the operation heat value of each client on the video data, and compares whether the operation heat value of the video data is high. At the predetermined first threshold, if yes, the index server sends a backup instruction to at least one storage server, instructing the storage server to back up the video data and update the second mapping relationship. The present invention can protect the hottest data with the least capacity and the lowest bandwidth consumption.

The invention discloses a device for realizing the software compatibility of a functional module on different TV platforms. The device for realizing the software compatibility of the software compatibility on different TV platforms comprises a TV platform module, a data storage module suitable for the TV platform, an information storage module suitable for a functional module and a communication module suitable for the TV platform and the functional module. The device avoids development of different multimedia module software systems for different machine cores, thus reduces the software backup cost during the development process, reduces the version management cost, and prevents upgrade errors caused by excessive versions during the future maintenance process.

The invention discloses a backup file recovery method for a heterogeneous database. The method includes the following steps that normalized transformation is conducted on data in the heterogeneous database, a DELTA compression algorithm of K-Medoids clustering is adopted for clustering preprocessing of data blocks, and the data blocks high in similarity are divided into a class; the DELTA compression algorithm is used for compression of the data blocks of the same class, data recovery is conducted based on 'SQL reappearance method', a recovery-end database version is read according to the configuration file, according to the transformation rule, a metadata model is transformed into SQL statements which a database with the corresponding version supports, after data consistency detection, the SQL statements are introduced into the database, and the stable backup and recovery functions of the heterogeneous database are achieved. Through extension of a mapping rule, multiple source databases can be supported, backup of the heterogeneous database is achieved, efficient file compression is supported, and the cost of backup is reduced.

The embodiment of the present application discloses a method and device for backing up data. A specific implementation of the method includes: in response to receiving an access authorization instruction from the user database server, obtaining backup configuration information of the user database server, wherein the backup configuration information includes backup conditions and backup object identifiers; in response to meeting the backup conditions, from Obtain the backup object corresponding to the backup object identifier from the user database server; store the backup object. This embodiment saves data backup costs.

The invention particularly relates to a continuous data protection method, system, device and medium of a database. The database includes a first database and a second database, the first database is visible to users, the second database is invisible to users, the second database delays the replication of the first database, the first database is the first database at the first time, and the second database is The first database at the second time, the second time is delayed by a predetermined period of time than the first time, the method includes: receiving an instruction to retrieve the first database at the third time; according to the instruction to retrieve the first database at the third time, updating The second database, the updated second database is the first database at the third time, the third time is between the first time and the second time; switch the updated second database to be visible to users, or make the updated The second database of the database is switched to the new first database. The present invention can realize the purpose of continuous data protection under the scene of database misoperation or database damage.