100 results about "Back-up equipment" patented technology

The invention discloses a method for synchronizing information between master equipment and standby equipment and a server. The method comprises the following steps that: the master equipment and the standby equipment establish a synchronization channel which comprises an equipment level channel, a subcard level channel and a backup set level channel on the subcard; the master equipment determines that user information needs to be synchronized, determines the corresponding subcard level channel or the backup set level channel according to the backup set where a user is, encapsulates synchronization information according to an address and a port corresponding to the subcard level channel or the backup set level channel, and transmits the encapsulated synchronization information to the standby equipment through the subcard level channel or the backup set level channel; the standby equipment analyzes the synchronization information to acquire the address and the port and forwards the synchronization information to the subcard corresponding to the port; and the subcard processes the synchronization information. Due to the method, the problem of higher load of a main control unit is solved; the mode is not limited by the performance bottleneck of the main control unit; and reliable guarantee is provided for the switching between the master equipment and the standby equipment.

The invention relates to a switchover method and device for main equipment and standby equipment. The switchover method for the main equipment and the standby equipment comprises the following steps that when access equipment accesses the network through the main equipment, the interface directly connected with the access equipment or transmission equipment on the main equipment is detected to determine whether the link from the access equipment to the main equipment breaks down, and when the link from the access equipment to the main equipment breaks down, a redundancy set with a routing function is informed to carry out switchover between the main equipment and the standby equipment so that the access equipment can access the network through the standby equipment before switchover.

The invention relates to the technical field of communication and discloses a method, control equipment and a system for generating an ARP (Address Resolution Protocol) table entry. The method comprises the following steps that: the control equipment receives a first ARP table entry which is transmitted by a first repeater and corresponds to user equipment, wherein the first ARP table entry comprises the IP (Internet Protocol) address of the user equipment, the MAC (Media Access Control) address of the user equipment and a first output interface from the first repeater to the user equipment; the control equipment replaces the first output interface in the first ARP table entry by using a second output interface to generate a second ARP table entry according to the stored information of a path from a second repeater to the user equipment, wherein the information of the path comprises the IP address of the user equipment and the second output interface from the second repeater to the user equipment; and the control equipment transmits the second ARP table entry to the second repeater. Therefore, the problem that the packet loss of user flow occurs after standby equipment in a VRRP (Virtual Router Redundancy Protocol) backup group is upgraded to be master equipment is solved.

An apparatus for communicating data is provided that includes a cell site element associated with a base transceiver station and comprising a compression module that is operable to receive a plurality of bits associated with a communications flow, to inspect the bits, to determine whether one or more samples included in the flow should be suppressed, and to compress the samples. The cell site element is coupled to a back-up device that is operable to assume responsibility for active flows in a case where a primary device fails. Data is exchanged between the primary device and the back-up device, the data guiding the back-up device in how to process the active flows.

A system for policy-driven RAID rebuild includes an interface to a group of devices each having stripe units. At least one of the devices is a spare device available to be used in the event of a failure of a device in the group of devices. The system further includes a processor coupled to the interface and configured to determine, based at least in part on an ordering criteria, an order in which to reconstruct stripe units to rebuild a failed device in the group of devices. The processor is further configured to rebuild the failed device including by reconstructing stripe units in the determined order using the spare device to overwrite stripe units as needed.

The embodiment of the invention provides a disaster recovery method and disaster recovery equipment. The disaster recovery method comprises the following steps: first network equipment is used for monitoring faults of second network equipment; the first network equipment is used for finding a standby PW set corresponding to a primary virtual link PW set from the pre-configured information; the first network equipment switches a state of a second primary PW in the standby PW set to active-active from inactive-active, and switches the state of the second standby PW to active-inactive from inactive-inactive; the first network equipment utilizes the standby PW set to send the received business data to network transfer equipment connected with the third network equipment; when the second network equipment has faults, the first network equipment utilizes the standby PW set to send the received business data to the third network equipment which is taken as standby equipment of the second network equipment, thereby realizing business data normal transmission charged by the second network equipment.

The invention proposes an SSL VPN configuration information synchronizing method and an apparatus, which are applied to a system consisting a main device and a backup device, comprising: when the device is the main device, based on the SSL VPN configuration information transmitted from a terminal device, correcting the command to execute local configuration correction and creating an SSL VPN service message as a configuration synchronous message wherein the configuration synchronous message carries a configuration synchronous identification and the corrected SSL VPN configuration information; through an SSL VPN service terminal, transmitting the configuration synchronous message to the backup device so that the backup device executes the same local configuration correction as the main device based on the configuration synchronous message. According to the technical schemes of the invention, the implementation process for the SSL VPN configuration information synchronizing between a main device and a backup device can be simplified, therefore, compromising the performances of the devices less.

The invention discloses a data synchronization method and device; the method comprises the following steps: synchronizing history data of a main device to a standby device before data synchronization; determining whether the main device has data change or not in a running process when the main device and the standby device perform history data synchronization; if yes, synchronizing the changed data to the standby device. In the prior art, when a host and a spare machine are not simultaneously powered up, the host needs to be shut down when the host and spare machine need data synchronization; the novel data synchronization method and device can solve the said problems, so the host system needs not be shut down in data synchronization, thus improving system stability.

The invention provides a main and standby equipment switching method and device. The main and standby equipment switching method is applied to network equipment, and comprises the following steps: when first equipment works as main equipment, if all links between the equipment and opposite-end equipment are detected to be abnormal, the equipment priority of the network equipment is adjusted from afirst priority value to a second priority value, wherein the second priority value is smaller than a third priority value, the third priority value is the equipment priority of the second equipment,and the second equipment works as standby equipment at present; a heartbeat message is sent to the second equipment, wherein the heartbeat message carries a second priority value, so that the second equipment is switched from standby equipment to main equipment according to the second priority value; and the equipment is switched from the main equipment to the standby equipment according to the second priority value.

The invention relates to an intelligent energy management system and method for power grid power equipment. The system comprises: a data acquisition module which is used for acquiring the basic information of power equipment; a power output quantity prediction module which is used for training an output power prediction network and determining a corresponding training sample; an equipment volatility evaluation module which is used for taking power equipment corresponding to the training sample as first-level stable power generation equipment; other power equipment which is used as second-level stable power generation equipment; and an equipment control module which is used for selecting the first-level stable power generation equipment to perform grid-connected input control and the second-level stable power generation equipment as standby equipment according to the power consumption demand. According to the invention, the power equipment can be reasonably classified, the power equipment beneficial to the safety and the stability of the power grid is screened out in a targeted mode, under the condition that the power demand is limited, the first-level power generation equipment is preferentially adopted to be put into use, the second-level power generation equipment with relatively low safety serves as standby equipment, and the safety and the stability of a power grid can be improved.

The invention discloses a method for real-time industrial control passive identification of Rokwell equipment, and relates to the technical field of asset equipment identification, and the method comprises the following steps: presetting a Rokwell fingerprint database; preliminarily analyzing the message; backing up equipment basic information; deeply analyzing the message; continuously identifying engineer stations; and comparing a fingerprint database to obtain equipment information. According to the real-time industrial control method for passively identifying the Rockwell equipment, a fingerprint database is unique characteristics of the Rockwell industrial control equipment, such as brands, series, matching word strings and separators, and besides identifying an operating system, manufacturers and port services, the model, sequence codes and PLC version information of the equipment can also be identified; and through passive identification, an application layer message of a Rokwell communication protocol is analyzed, and the message is analyzed according to different function codes so as to obtain correct equipment information.

The invention provides a cluster system exception recovery processing method and device. The method comprises the following steps: switching the state of standby equipment from a ready state to a working state when the abnormality of main equipment is detected; dividing a preset global system disk to the main equipment; and controlling the main equipment to recover from the internal system disk, or controlling the main equipment to recover from the global system disk under the condition that the main equipment fails to recover from the internal system disk. The problem of recovery through an automatic restart mode in related technologies can be solved; the problem that software operation abnormity can only be recovered is solved; the system disk can be automatically recovered when the system disk is physically damaged, expired in service life or maliciously attacked and damaged, and global recovery can be performed when any working machine in the cluster system is abnormal, so that thesafety and availability of each working machine in the cluster system are greatly improved, and long-term stable operation can be ensured.

The invention discloses a data backup method, device and system. The method comprises the following steps: backing up an updated incremental log to storage equipment by monitoring incremental log change; synchronizing a last log identifier in the incremental log to second equipment in a standby equipment state; and when monitoring that first equipment is switched from a main equipment state to thestandby equipment state, stopping monitoring the increment log change. The technical problem of data recovery failure during fault recovery easily caused by large backup data volume and low backup speed of the backup log in the prior art is solved.

The invention discloses a data backup method. The method comprises the following steps of obtaining device state information of a target GPU device currently used for model training; judging whether the GPU equipment meets an early warning condition or not according to the equipment state information; if yes, performing storage operation on the model training data; and when it is detected that thedriving of the target GPU equipment fails, sending the model training data to standby GPU equipment of the target GPU equipment in the GPU cluster. By applying the technical scheme provided by the embodiment of the invention, the time is greatly saved, and the training efficiency is improved. The invention further discloses a data backup device and equipment and a storage medium, which have corresponding technical effects.

The invention relates to the field of satellite communication, discloses a distributed fault real-time monitoring and standby equipment switching method for satellite communication, and solves the problem of interruption of a satellite communication network caused by faults of node equipment in a large-scale satellite communication system. According to the technical scheme, the method is characterized by comprising the following steps that S1, a special management and control server is set for a satellite communication system to operate a management and control service system; S2, the management and control service system receives a fault alarm frame in the satellite network in real time through a narrowband control channel; S3, the management and control service system automatically completes state notification of the whole network equipment and the whole network service system; S4, the management and control service system generates network parameters for standby equipment to accessthe network; S5, the management and control service system automatically responds and sends a control frame switched to the standby equipment to complete troubleshooting according to the fault framesobtained actively and passively. According to the invention, real-time monitoring of equipment states of a central station and a gateway station can be realized, fault monitoring and switching are automatically completed by the management and control service system, the operation reliability of the equipment and the service system of the central station and the gateway station is greatly improved,and the problem of low efficiency of manual monitoring and switching is effectively solved at the same time.

The invention relates to a data communication technology, solves the problem that messages are discarded due to the fact that TCP connection sequence numbers may mismatch after existing master and backup devices are switched, and provides a method, device and system for restoring the TCP connection sequence numbers. The technical scheme may be summarized as the fact that TCP connection is established between a master device and opposite end devices; TCP connection data is backed up on a backup device; the backup device is switched to a new master device after the master and backup devices are switched; a notification message is sent to each corresponding opposite end device according to the backup TCP connection data; the opposite end devices update the sequence numbers according to the notification messages, expect that the received sequence numbers corresponding to the messages sent by the new master device next time are initial values and carry out response. The new master device refreshes the new sequence numbers according to response messages and expects for the received sequence numbers corresponding to the messages sent by the opposite end devices next time. The method, the device and the system have the advantages that the normal communication is ensured, and the method, the device and the system are applicable to communication devices in a double-computer environment.

This invention relates to data processing, which aims to the problem that voice bill's and the original data's consistency defects that existing technologies double machine-switching process can't fully guarantee. It provides a method which can guarantee the voice bill's and the original data's consistency in the process of double machine-switching. Firstly, main equipment generates the first workstate signs which are used to record the current work status of it when at work; later, when the switch occur, spare equipment analyses the second work state signs which is synchronous with the stated first work state signs. According to voice bill on storage devices and original data, it connects the stated main equipments. Based on the timing automatic generation voice bill, the record work state signs on image document or deletion of original data, spare equipment can know main equipments' work state and voice bill's generation process when double machine-switching. This can fully guarantee voice bill's and the original data's consistency and increase generation efficiency of voice bill documents.

The invention discloses a remote firmware upgrading method for Internet-of-Things terminal equipment with a master-slave structure. The method at least comprises a host and a plurality of slaves, the slaves are in serial or parallel communication connection with the host, each host or slave at least comprises two program memories and one nonvolatile memory, and the first program memory is used for storing equipment parameters and bootstrap programs; the second program memory is used for storing firmware; the nonvolatile memory is used for caching and backing up equipment firmware; the host acquires a firmware upgrading data packet and transmits the firmware upgrading data packet to each slave according to needs, and the firmware upgrading data packet is stored in the nonvolatile memory at the same time; before the firmware in the second program memory is updated, the firmware in the nonvolatile memory is verified, so that the wrong firmware is prevented from being upgraded into the equipment; and before the firmware in the second program memory is operated, the program firmware in the second program memory is verified, so that the failure of equipment operation at the time caused by the failure of firmware upgrading at the last time is prevented, and the condition of'waste chips' is effectively avoided.

The invention relates to the technical field of low-load denitration of single auxiliary machine boilers and improvement of unit safety, in particular to a flue gas passage system capable of achievingadjacent furnace low-load denitration and mutual standby of flue gas channels. The flue gas passage system comprises two adjacent single auxiliary machine boilers including a first single auxiliary machine boiler and a second single auxiliary machine boiler; the first flue gas channel and the second flue gas channel are connected through a flue gas passage, so that when the load of one single auxiliary machine boiler is low and the denitration requirement cannot be met, high-temperature flue gas is introduced from the other single auxiliary machine boiler through the flue gas passage to increase the denitration temperature of the single auxiliary machine boiler; and meanwhile, follow-up equipment of the first flue gas channel and the second flue gas channel can serve as standby equipmentfor each other through the flue gas passage, the defect that the single auxiliary machine boiler lacks standby equipment is overcome, and the safety of units is greatly improved.

The invention discloses a network switching method and system based on a dual redundant system, and a storage medium. The method comprises the following steps: standby equipment monitors a routing table entry and an ARP table entry of main equipment; when the main equipment adds or deletes the routing table entry and the ARP table entry in the process of establishing communication with the user host, the standby equipment synchronously adds or deletes the same table entry; and after the dual-computer redundant system is switched, the standby equipment has routing table entries and ARP table entries on which the communication with the user host is established, and the standby equipment becomes new main equipment to finish the switching of network communication. According to the method, after the dual redundant system is switched, the original standby equipment has the routing table entry and the ARP table entry which are depended on for establishing communication with the user host without operating the routing protocol and the ARP protocol after being changed into the new main equipment, so that the switching of network communication is quickly completed.

A method for processing device failure includes: detecting, by a target standby device associated with a target shared storage device, an operating status of a target control device that manages the target shared storage device; if the target control device fails, sending, by the target standby device, a management request to the target shared storage device, and sending, by the target standby device, a replacement request for the target control device to the cluster management node; setting, by the target shared storage device, the target standby device as a local management device; and determining, by the cluster management node, that the target standby device is a replacement device of the target control device.

The invention provides a disaster recovery main and standby equipment configuration method and device, and the method is applied to first vBRAS-CP equipment, and comprises the steps: receiving a firstheartbeat notification message which is transmitted by second vBRAS-CP equipment and comprises a first identifier list; obtaining a second identifier list in the first vBRAS-CP equipment, and determining whether a first UP equipment identifier exists in the second identifier list or not; if so, identifying the configuration state of the first UP equipment corresponding to the first UP equipment identifier in the first identifier list and the second identifier list; if the first UP equipment is in a configured state in the second identifier list and is updated from the configured state to an unconfigured state in the first identifier list, prohibiting a user access function of the first UP equipment; and sending a first notification message to the first UP equipment, so that the first UP equipment does not send the user service message to the first vBRAS-CP equipment.

The invention discloses a ceramic multi-section mold rolling forming automation device which comprises a mold blocking module, a mold arranging and carrying module, a rotary disc module, an inner mold taking module, a carrying mechanism, a left tooling, a right tooling, an inner mold cleaning module, an outer mold cleaning module, a leveling module, an operation interface and a machine cabinet. The mold blocking module, the mold arranging and carrying module, the rotating disc module, the inner mold taking module, the carrying mechanism, the inner mold cleaning module and the outer mold cleaning module are included. According to the automatic rolling forming device for the ceramic multi-petal die, the purpose of replacing manual operation is achieved through mutual cooperation of all the mechanisms, the product quality and the production efficiency are greatly improved, complex operation actions are achieved through cooperation of multiple mechanisms instead of manual operation, the operation risk is reduced, and the quality consistency is guaranteed; and when the equipment goes wrong, the equipment can be quickly moved for maintenance or replacement of standby equipment, so that the influence on production is reduced to the minimum, and a better use prospect is brought.

The invention discloses a file synchronization method and system based on a dual redundant system and a storage medium, and the method comprises the steps that standby equipment loads first preset information of a first transmission file to a request data packet, and then transmits the request data packet to main equipment; the main equipment receives a request data packet of the first transmission file sent by the standby device, and extracts first preset information in the request data packet; the main equipment compares the first preset information with second preset information of a secondtransmission file in the main equipment, and judges whether the first preset information is the same as the second preset information or not; and when the first preset information is different from the second preset information, the main equipment sends a first response data packet to the standby device, and the main equipment synchronously transmits the second transmission file to the standby device. According to the file synchronization method and device, only different transmission files in the main equipment and the standby equipment are synchronized, the overall efficiency of file synchronization is improved, and therefore the standby equipment and the main equipment operate in a coordinated mode.

The invention discloses an intelligent switching control method and system of a variable frequency speed regulation multi-load system, and relates to the technical field of industrial control. The problem caused by unreasonable use time of each load in the existing variable frequency speed regulation system is solved. The method comprises the following steps: monitoring and recording the total operation time of each load in the system; when the total operation time of a certain load is close to the maintenance time limit of the load, sending out use overdue early warning information and a load replacement command, wherein the load replacement command comprises information of a to-be-replaced load; monitoring and recording the current running time of each load in the system, and when the current running time of a certain load exceeds the rated continuous running time of the load, sending out a load replacement command; and when a load replacement command is detected, selecting a replaceable device of a to-be-replaced load as a standby device, and replacing the to-be-replaced load to continue working. The method has the advantage of being high in transplantation capacity and can be applied to variable frequency speed regulation multi-load systems of various technologies.

The embodiment of the invention provides a protocol state backup method and device, electronic equipment and a storage medium. The method comprises the following steps: pre-calculating corresponding protocol states when main equipment and standby equipment in the VSU system are respectively used as forwarding equipment, and storing all pre-calculated protocol states in the standby equipment; if itis detected that the main equipment breaks down, taking the standby equipment as new main equipment, and determining the standby protocol state according to the protocol state pre-stored in the new main equipment; and forwarding a message through the new primary device according to the standby protocol state. According to the protocol state backup method provided by the embodiment of the invention, the multiple protocol states are backed up in advance, and when the main equipment is switched, the proper protocol state is selected according to different conditions, so the problem of long-timecutoff of the system caused by protocol state recalculation when the main equipment is reset is avoided, and the system performance is improved.