CN111858155A - Data backup method, system, device and medium - Google Patents
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- 238000004590 computer program Methods 0.000 claims description 10
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
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Abstract
The embodiment of the invention discloses a data backup method, which comprises the following steps: judging whether the first data is changed or not, and if the first data is changed, acquiring changed first changed data; and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data. The invention can judge whether the first data is changed or not in real time and accordingly reflects whether the second data is corrected or not, so that the invention can well realize real-time backup and ensure that the backup data can keep the timeliness thereof. In addition, a data backup system, equipment and a storage medium are also provided.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a data backup method, system, device, and medium.
Background
The production data can directly determine the quality of industrial products, so that the production data is the key core of industrial production. However, in the case of industrial production and automatic production, uncontrollable situations such as computer failure and data loss often occur, which all result in data failure and further loss. Therefore, data protection is very important, and data backup is often required to ensure data security.
As for the existing backup schemes, a single backup scheme is often used for backup, for example, data to be backed up is only copied to another storage device in advance, and the backup data is called from the backup storage device when the backup data needs to be used. However, the backup data in this backup method is poor in timeliness, and the backup data is often invalid because the backup data is not updated for a long time.
Disclosure of Invention
In view of the foregoing, there is a need to provide a data backup method, system, device and medium capable of implementing real-time backup.
A data backup method is applied to a data backup system, and the data backup system comprises: the system comprises a first data storage device, a second data storage device and a server, wherein the first data storage device is connected with the second data storage device and the server; the first data stored in the first data storage device and the second data stored in the second data storage device are the same, the method comprising:
judging whether the first data is changed or not, and if the first data is changed, acquiring changed first changed data;
and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
In one embodiment, the method further comprises:
and judging whether the first data storage device is in a normal working state, if the first data storage device is not in the normal working state, disconnecting the first data storage device from the server, and establishing the connection between the second data storage device and the server.
In one embodiment, after the step of establishing the connection between the second data storage and the server, the method further comprises:
and replacing a third data storage device with the first data storage device, copying the second data in the second data storage device to generate third data, and storing the third data in the third data storage device.
In one embodiment, the first data includes system data and process parameters;
after the step of determining whether the first data is changed, the method further includes:
and if the process parameters are changed, acquiring the changed process parameters, and uploading the changed process parameters to the server.
In one embodiment, the step of uploading the changed process parameters to the server includes:
And uploading the changed process parameters to the server through the Ethernet.
In one embodiment, before the step of establishing the connection between the second data storage and the server, the method further comprises:
and judging whether the second data storage device is in a normal working state, and if the second data storage device is not in the normal working state, transmitting the process parameters stored in the server to a backup machine.
In one embodiment, the step of transmitting the process parameters stored in the server to a backup tool includes:
and transmitting the process parameters stored in the server to the backup machine through Ethernet.
A data backup system, the system comprising: a first data storage device, a second data storage device, and a server; the first data storage device is connected with the second data storage device and the server; the first data stored in the first data storage device is the same as the second data stored in the second data storage device;
the first data storage device is used for judging whether the first data are changed or not, and acquiring changed first changed data if the first data are changed;
And the second data storage device is used for modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
judging whether the first data is changed or not, and if the first data is changed, acquiring changed first changed data;
and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
A data backup device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of:
judging whether the first data is changed or not, and if the first data is changed, acquiring changed first changed data;
and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
The invention provides a data backup method, a system, equipment and a medium. By judging whether the first data is changed or not, if the first data is changed, obtaining the changed first changed data; and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data. The invention can judge whether the first data is changed or not in real time and accordingly reflects whether the second data is corrected or not, so that the invention can well realize real-time backup and ensure that the backup data can keep the timeliness thereof.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a flow diagram illustrating a method for backing up data in one embodiment;
FIG. 2 is a schematic flow diagram illustrating replacement of a malfunctioning data storage device, under an embodiment;
FIG. 3 is a flow diagram illustrating uploading of modified process parameters to a server according to one embodiment;
FIG. 4 is a flowchart illustrating an embodiment of obtaining process parameters from a server to a backup tool;
FIG. 5 is a schematic flow chart diagram illustrating a data backup system in one embodiment;
fig. 6 is a block diagram of a data backup apparatus in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, as shown in fig. 1, a data backup method is provided and applied to a data backup system, where the data backup system includes: the system comprises a first data storage device, a second data storage device and a server, wherein the first data storage device is connected with the second data storage device and the server; the first data stored in the first data storage device is the same as the second data stored in the second data storage device. In a specific embodiment, the data backup method can be applied to a laser cutting machine. The data backup method provided by the invention specifically comprises the following steps:
And 102, judging whether the first data is changed or not, and if the first data is changed, acquiring the changed first changed data.
The first data refers to all storage data in the first data storage device, and includes storage device system parameters and non-system parameters. The first change data refers to data in which a change has occurred in the first data, for example, data in which a change such as addition, subtraction, deletion, or the like has occurred in the first data. The first data storage device may be a hard disk device, or may be another device having a data storage function, and is not limited herein.
In particular, the first modification data may be obtained by setting a list of data items in the first data storage device. Data attributes corresponding to all the first data are recorded in the data item list, for example, the data attributes include a change state corresponding to whether each first data is changed. Therefore, only by monitoring the change state of all the first data in the data item list, when the change state of the first data is changed, the corresponding first data can be determined as the first change data.
And 104, modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
Wherein, the second data refers to all the stored data in the second data storage device. The second data storage device may be a hard disk device, or may be another device having a data storage function, and is not limited herein. In order to ensure that the first data is the same as the second data, mirror backup needs to be performed on both system data and non-system data when the first data is backed up for the first time. When the second data is subsequently corrected, the data attribute of the first changed data can be acquired, the corresponding data to be changed is found in the second data by taking the data attribute of the first changed data as an index, and the second data after being modified is modified to be the same as the first changed data, so that the second data after being modified can be ensured to be the same as the first data after being modified.
Further, the timed mirror backup of the first data in the first data storage device to the second data storage device may be set by a third party mirror software, such as ghost or WinImage.
According to the data backup method, whether the first data are changed or not is judged, and if the first data are changed, the changed first changed data are obtained; and modifying the second data corresponding to the first modified data so that the modified second data is the same as the modified first data. The invention can judge whether the first data is changed or not in real time and accordingly reflects whether the second data is corrected or not, so that the invention can well realize real-time backup and ensure that the backup data can keep the timeliness thereof.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a method for replacing a malfunctioning data storage device according to an embodiment of the present invention, wherein the method for replacing a malfunctioning data storage device includes:
and 204, modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
In a specific implementation scenario, the steps 202 and 204 are substantially the same as the steps 102 and 104 in the data backup method provided by the present invention, and are not described herein again.
The normal working state includes a device running state, a device storage load state and the like. Specifically, the detection of the operation state of the device includes detection of whether a bad track occurs in the hard disk, and the detection of whether a bad track occurs in the hard disk can be realized by three-party detection software such as Diskgenius.
In one embodiment, after the first data storage device is disconnected from the server, the first data storage device may send a reconnect signal to the server and the second data storage device to indicate that a connection may be made between the second data storage device and the server.
Further, before the second data storage device is connected with the server, the connection state of the first data storage device and the server needs to be judged, and when the connection state between the first data storage device and the server is detected to be 'no', the connection between the second data storage device and the server can be established.
Further, in a specific embodiment, after the connection between the second data storage device and the server is established, the second data storage device may be set as a system boot storage device in a bios (basic Input Output system) interface, so as to replace the first data storage device for completing the system boot service.
And step 208, replacing the first data storage device with the third data storage device, copying the second data in the second data storage device to generate third data, and storing the third data in the third data storage device.
The third data storage device is a spare data storage device of the first data storage device and is used for replacing the first data storage device in an abnormal working state. In one embodiment, after the third data storage device replaces the first data storage device to reestablish the connection with the second data storage device, the third data storage device may send a connection success signal to the second data storage device, and send a mirror data packet of the second data to the third data storage device after the second data storage device receives the connection success signal, so that third data identical to the second data is generated in the third data storage device.
In the data backup method, if the first data storage device is not in a normal working state, the connection between the first data storage device and the server is disconnected, the connection between the second data storage device and the server is established, and the third data storage device replaces the first data storage device. The implementation of the invention can still ensure that the data backup system can complete the real-time backup task when the first data storage device is in the abnormal working state, reduce the downtime of the system and greatly improve the production efficiency.
As shown in fig. 3, fig. 3 is a schematic flow chart illustrating uploading modified process parameters to a server in an embodiment, where the first data includes system data and process parameters, and the step of uploading modified process parameters to the server provided by the present invention includes:
The process parameters refer to the processing configuration parameters of the machine, such as the position parameters of the axis, the laser energy parameters, and the like. In one embodiment, after the first modified data is obtained, a data path of the first modified data is obtained, and a data source of the first modified data is determined according to the data path, thereby determining whether the first modified data is a process parameter. And if the changed first data are the process parameters, uploading the changed process parameters to the server for cloud backup.
It will be appreciated that the first data storage device may be connected directly to the server or may be connected to and from an ethernet switch.
And 304, modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
In a specific implementation scenario, step 304 is substantially the same as step 104 in the data backup method provided by the present invention, and is not described herein again.
The data backup method transmits the changed process parameters to the server through the Ethernet. And modifying the second data corresponding to the first modified data so that the modified second data is the same as the modified first data. The embodiment of the invention realizes the multiple backup of the first data, ensures that the data recovery can be still completed when one backup end fails, and ensures that the data backup has certain reliability and stability.
As shown in fig. 4, fig. 4 is a schematic flow chart illustrating an embodiment of obtaining a process parameter from a server to a backup tool, wherein the first data includes system data and a process parameter, and the step of obtaining the process parameter from the server to the backup tool includes:
In a specific implementation scenario, step 402 is substantially the same as step 206 of replacing the abnormal operating state data storage device provided by the present invention, and is not described herein again.
The backup machine is a backup production device, and it can be understood that the process parameters may also be transmitted to the backup computing through the ethernet to perform data recovery.
According to the data backup method, when the first data storage device and the second data storage device are in abnormal working states, the process parameters stored in the server are transmitted to the backup machine through the Ethernet, and the data backup system can still provide data for production in time after the first data storage device and the second data storage device are in failure.
In one embodiment, as shown in fig. 5, a data backup system is proposed, the system comprising: a first data storage 502, a second data storage 504, and a server 506; the first data storage device 502 is connected to the second data storage device 504 and the server 506; the first data stored in the first data storage 502 is the same as the second data stored in the second data storage 506;
a first data storage device 502, configured to determine whether the first data is changed, and if the first data is changed, obtain the changed first changed data; the second data storage 504 is configured to modify the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
The data backup system judges whether the first data is changed or not, and if the first data is changed, the changed first changed data is obtained; and modifying the second data corresponding to the first modified data so that the modified second data is the same as the modified first data. The invention can judge whether the first data is changed or not in real time and accordingly reflects whether the second data is corrected or not, so that the invention can well realize real-time backup and ensure that the backup data can keep the timeliness thereof.
In one embodiment, the first data storage device 502 is further configured to determine whether the apparatus itself is in a normal operating state, and if the first data storage device 502 is not in the normal operating state, disconnect the first data storage device from the server 506 and establish a connection between the second data storage device 504 and the server 506.
In one embodiment, the data backup system further comprises a third data storage device for replacing the first data storage device 502, copying the second data in the second data storage device 504 to generate third data, and storing the third data in the third data storage device.
In one embodiment, the first data includes system data and process parameters; the first data storage device 502 is further configured to obtain the changed process parameters and upload the changed process parameters to the server 506 if the process parameters are changed.
In one embodiment, the first data storage device 502 is further configured to transmit the modified process parameters to the server 506 via an ethernet network.
In one embodiment, the second data storage device 504 is further configured to determine whether the equipment itself is in a normal operating state, and transmit the process parameters stored in the server 506 to the backup tool if the second data storage device 504 is not in the normal operating state.
In one embodiment, the server 506 is further configured to transmit the stored process parameters to the backup tool via ethernet.
Fig. 6 shows an internal configuration diagram of the data backup apparatus in one embodiment. As shown in fig. 6, the data backup apparatus includes a processor, a memory, and a network interface connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the data backup apparatus stores an operating system and may further store a computer program, which, when executed by the processor, causes the processor to implement the data backup method. The internal memory may also have stored therein a computer program that, when executed by the processor, causes the processor to perform a data backup method. Those skilled in the art will appreciate that the structure shown in fig. 6 is a block diagram of only a portion of the structure related to the present application, and does not constitute a limitation on the data backup device to which the present application is applied, and a particular data backup device may include more or less components than those shown in the figure, or combine some components, or have a different arrangement of components.
A data backup device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the computer program: judging whether the first data is changed or not, and if the first data is changed, acquiring the changed first changed data; and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
In one embodiment, the method further comprises: and judging whether the first data storage device is in a normal working state, if the first data storage device is not in the normal working state, disconnecting the first data storage device from the server, and establishing the connection between the second data storage device and the server.
In one embodiment, after the step of establishing the connection between the second data storage device and the server, the method further comprises: and replacing the first data storage device with the third data storage device, copying the second data in the second data storage device to generate third data, and storing the third data in the third data storage device.
In one embodiment, the first data includes system data and process parameters; after the step of judging whether the first data is changed, the method further comprises the following steps: and if the process parameters are changed, acquiring the changed process parameters, and uploading the changed process parameters to the server.
In one embodiment, the step of uploading the changed process parameters to the server includes: and transmitting the changed process parameters to a server through the Ethernet.
In one embodiment, before the step of establishing the connection between the second data storage device and the server, the method further comprises: and judging whether the second data storage device is in a normal working state, and if the second data storage device is not in the normal working state, transmitting the process parameters stored in the server to the backup machine.
In one embodiment, the step of transmitting the process parameters stored in the server to the backup tool comprises: and transmitting the process parameters stored in the server to the backup machine through the Ethernet.
A computer-readable storage medium, storing a computer program, which when executed by a processor, performs the steps of: judging whether the first data is changed or not, and if the first data is changed, acquiring the changed first changed data; and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
In one embodiment, the method further comprises: and judging whether the first data storage device is in a normal working state, if the first data storage device is not in the normal working state, disconnecting the first data storage device from the server, and establishing the connection between the second data storage device and the server.
In one embodiment, after the step of establishing the connection between the second data storage device and the server, the method further comprises: and replacing the first data storage device with the third data storage device, copying the second data in the second data storage device to generate third data, and storing the third data in the third data storage device.
In one embodiment, the first data includes system data and process parameters; after the step of judging whether the first data is changed, the method further comprises the following steps: and if the process parameters are changed, acquiring the changed process parameters, and uploading the changed process parameters to the server.
In one embodiment, the step of uploading the changed process parameters to the server includes: and transmitting the changed process parameters to a server through the Ethernet.
In one embodiment, before the step of establishing the connection between the second data storage device and the server, the method further comprises: and judging whether the second data storage device is in a normal working state, and if the second data storage device is not in the normal working state, transmitting the process parameters stored in the server to the backup machine.
In one embodiment, the step of transmitting the process parameters stored in the server to the backup tool comprises: and transmitting the process parameters stored in the server to the backup machine through the Ethernet.
It should be noted that the data backup method, system, data backup device and computer readable storage medium described above belong to a general inventive concept, and the contents in the embodiments of the data backup method, system, data backup device and computer readable storage medium may be mutually applicable.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, and the program can be stored in a non-volatile computer readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A data backup method is applied to a data backup system, and the data backup system comprises: the system comprises a first data storage device, a second data storage device and a server, wherein the first data storage device is connected with the second data storage device and the server; the first data stored in the first data storage device and the second data stored in the second data storage device are the same, and the method comprises the following steps:
Judging whether the first data is changed or not, and if the first data is changed, acquiring changed first changed data;
and modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
2. The method of claim 1, further comprising:
and judging whether the first data storage device is in a normal working state, if the first data storage device is not in the normal working state, disconnecting the first data storage device from the server, and establishing the connection between the second data storage device and the server.
3. The method of claim 2, further comprising, after the step of establishing a connection between the second data storage device and the server:
and replacing a third data storage device with the first data storage device, copying the second data in the second data storage device to generate third data, and storing the third data in the third data storage device.
4. The method of claim 2, wherein the first data includes system data and process parameters;
After the step of determining whether the first data is changed, the method further includes:
and if the process parameters are changed, acquiring the changed process parameters, and uploading the changed process parameters to the server.
5. The method of claim 4, wherein the step of uploading the modified process parameters to the server comprises:
and uploading the changed process parameters to the server through the Ethernet.
6. The method of claim 4, further comprising, prior to the step of establishing a connection between the second data storage device and the server:
and judging whether the second data storage device is in a normal working state, and if the second data storage device is not in the normal working state, transmitting the process parameters stored in the server to a backup machine.
7. The method of claim 6,
the step of transmitting the process parameters stored in the server to a backup machine comprises:
and transmitting the process parameters stored in the server to the backup machine through Ethernet.
8. A data backup system, the system comprising: a first data storage device, a second data storage device, and a server; the first data storage device is connected with the second data storage device and the server; the first data stored in the first data storage device is the same as the second data stored in the second data storage device;
the first data storage device is used for judging whether the first data are changed or not, and acquiring changed first changed data if the first data are changed;
and the second data storage device is used for modifying the second data corresponding to the first modified data, so that the modified second data is the same as the modified first data.
9. A computer-readable storage medium, storing a computer program which, when executed by a processor, causes the processor to carry out the steps of the method according to any one of claims 1 to 7.
10. A data backup device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the method according to any of claims 1 to 7.
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