CN108647117A - A kind of method of data backup, main system, equipment and computer readable storage medium - Google Patents
A kind of method of data backup, main system, equipment and computer readable storage medium Download PDFInfo
- Publication number
- CN108647117A CN108647117A CN201810385324.XA CN201810385324A CN108647117A CN 108647117 A CN108647117 A CN 108647117A CN 201810385324 A CN201810385324 A CN 201810385324A CN 108647117 A CN108647117 A CN 108647117A
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- Prior art keywords
- data
- main system
- standby
- storage medium
- standby system
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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
Abstract
This application provides a kind of methods of data backup, including main system to pre-establish the connection with standby system；When the main system is written in data, the data are sent to the standby system so that the standby system is by the data backup by the main system.By the above-mentioned means, when data change in main system, standby system can be backed up in time, waste time to carry out data backup with energy without the later stage, data backup is made to have real-time and high efficiency.Present invention also provides a kind of equipment of data backup, main system and computer readable storage mediums, all have above-mentioned advantageous effect.
Description
Technical field
This application involves technical field of data backup, more particularly to a kind of method of data backup, main system, equipment and
Computer readable storage medium.
Background technology
Data backup is the basis of disaster tolerance, refers to operation error or the system failure occur for anti-locking system data is caused to be lost
It loses, and all or part of data acquisition system is copied to the process of other storage mediums from the hard disk or array of applied host machine.System
Data backup is a kind of common data back up method between system, i.e., by data backup to another storage system.Traditional system
Between data backup to be all user will periodically need the data copy backed up to another system in main system, this backup mode without
Method is backed up in time when main system is written in data, but the backup for needing the later stage that time and efforts is spent to carry out data, can
See, existing backup method lacks real-time and high efficiency.
Therefore, how a kind of scheme that can solve above-mentioned technical problem is provided, is that those skilled in the art needs at present
It solves the problems, such as.
Invention content
The purpose of the application is to provide a kind of method of data backup, when data change in main system, backup system
System can be backed up in time, without the later stage waste time with energy carry out data backup, make data backup have real-time and
High efficiency.The another object of the application is to provide a kind of main system of data backup, equipment and computer readable storage medium,
With above-mentioned advantageous effect.
In order to solve the above technical problems, this application provides a kind of methods of data backup, including：
Main system pre-establishes the connection with standby system；
When the main system is written in data, the data are sent to the standby system so as to described by the main system
Standby system is by the data backup.
Preferably, the main system pre-establishes the process being connect with standby system and is specially：
The main system pre-establishes the storage medium of storage medium and the standby system thereon correspondingly
Connection, wherein the free memory of the storage medium of the main system is not more than corresponding in the standby system deposit
The free memory of storage media.
Preferably, this method further includes：
After the standby system completes the data write-in, the main system receives the backup that the standby system is sent
Complete signal.
Preferably, the standby system includes tape library and/or CD server.
In order to solve the above technical problems, present invention also provides a kind of main systems of data backup, including：
Unit is established, connection with standby system is pre-established by it for main system；
Transmission unit, for when the main system is written in data, the data to be sent to by the main system by it
The standby system is so that the standby system is by the data backup.
Preferably, it is described establish unit specifically for the main system by the main system storage medium with it is described standby
The storage medium of part system pre-establishes one-to-one connection by it, wherein the storage medium of the main system can be used
Memory space is not more than the free memory of corresponding storage medium in the standby system.
Preferably, which further includes：
Receiving unit, for after the standby system completes the data write-in, the main system to receive institute by it
Signal is completed in the backup for stating standby system transmission.
Preferably, the standby system includes tape library and/or CD server.
In order to solve the above technical problems, present invention also provides a kind of equipment of data backup, including：
Main system, for pre-establishing its connection with standby system；It is additionally operable to when data are written thereon, by the number
According to being sent to standby system；
The standby system, for receiving and backing up the data.
In order to solve the above technical problems, present invention also provides a kind of computer readable storage medium, the computer can
It reads to be stored with computer program on storage medium, as above any described one is realized when the computer program is executed by processor
The step of method of kind data backup.
This application provides a kind of method of data backup, main system has pre-established the company with standby system in the application
It connects, when user is when data are written in main system, which can be sent to standby system simultaneously and backed up by main system, in this way,
When data change in main system, standby system can be backed up in time, be wasted time with energy into line number without the later stage
According to backup, make data backup that there is real-time and high efficiency.
Present invention also provides a kind of main system of data backup, equipment and computer readable storage mediums, with above-mentioned number
According to the method for backup advantageous effect having the same.
Description of the drawings
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow diagram of the method for data backup provided herein；
Fig. 2 is a kind of structural schematic diagram of the main system of data backup provided herein；
Fig. 3 is a kind of structural schematic diagram of the equipment of data backup provided herein.
Specific implementation mode
The core of the application is to provide a kind of method of data backup, when data change in main system, backup system
System can be backed up in time, without the later stage waste time with energy carry out data backup, make data backup have real-time and
High efficiency.Another core of the application is to provide a kind of main system of data backup, equipment and computer readable storage medium,
With above-mentioned advantageous effect.
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to FIG. 1, Fig. 1 is a kind of flow diagram of the method for data backup provided herein, this method packet
It includes：
Step S11：Main system pre-establishes the connection with standby system.
Specifically, in order to solve the problems, such as that background technology proposes, main system and standby system is established and connected so that data
It being capable of backed up in synchronization.Here connection includes hardware connection and software connection, and software connection establishes main system by code
With " partner " relationship of standby system, this relationship is similar to the network neighbor on computer, can make under same LAN
Computer be mutually distinguishable.Here hardware connection can be cable, can also be optical fiber cable etc., the application does not limit herein.
Certainly, if be attached using cable, when software connects can by IP address, if be attached using optical fiber cable,
Software connection can be by WWPN (World Wide Port Name, World Wide Port title) address, specifically can be according to practical feelings
Condition is determined.
It should be noted that main system here is the common host for carrying out reading and writing data, can be computer etc..
Step S12：When main system is written in data, main system sends data to standby system so that standby system will count
According to backup.
Specifically, when there is data to be written to the storage medium of main system, when data write main system, while to backup be
System sends the data.For convenience, main system can detect whether data write-in by system log, naturally it is also possible to logical
Other modes are crossed, the application does not limit herein.
This application provides a kind of method of data backup, the company of main system and standby system has been pre-established in the application
It connects, when user is when data are written in main system, which can be sent to standby system simultaneously and backed up by main system, in this way,
When data change in main system, standby system can be backed up in time, be wasted time with energy into line number without the later stage
According to backup, make data backup that there is real-time and high efficiency.
On the basis of the above embodiments：
Embodiment as one preferred, main system pre-establish the process being connect with standby system and are specially：
The storage medium of storage medium and standby system thereon is pre-established one-to-one connection by main system,
In, the free memory of the storage medium of main system is not more than the available storage of corresponding storage medium in standby system
Space.
Correspondingly, main system establish and standby system between connection be specially by all storage mediums in main system with it is standby
The storage medium of part system sets up one-to-one connection relation, for example, it is assumed that main system has tri- disks of A, B and C, standby
Determine that three disks are corresponding with A, B, C in part system, after A disks have data write-in, disk corresponding with A in standby system
Also the data are preserved.In addition, it is contemplated that the integrality of Backup Data, the free memory of A disks is less than or equal to
The free memory of storage medium in standby system corresponding thereto.Generally, due to which memory space can be by artificial
It divides, for example, the space size of D, E and F disk is divided by user on computer, establishes the company of main system and standby system for convenience
It connects and the free memory of reasonable employment standby system, the free memory etc. of the storage medium of main system can be made
The free memory of corresponding storage medium in standby system.
It should be noted that storage medium here includes hard disk and disk etc., the application does not limit herein.
Embodiment as one preferred, this method further include：
After standby system completes data write-in, main system receives the backup that standby system is sent and completes signal.
Specifically, it is contemplated that in practical applications, main system sends data to backup when data are written and are preserved
System, it is to preserve data simultaneously to be considered as main system with standby system, and still, strictly speaking, main system compares standby system
Fast, in order to ensure safety and the integrality of data, after the completion of standby system backs up, standby system is sent out to main system
Backup is sent to complete signal, upon receipt of the signal, completion is just calculated in this data backup to main system.It may insure that data are complete in this way
Site preparation backups to standby system, increases the safety of data.
Embodiment as one preferred, standby system include tape library and/or CD server.
Specifically, it is contemplated that the storage medium of cost, standby system can be tape library, or CD server, tape
Library and CD server are at low cost with respect to for other storage mediums, can reduce backup cost.
Certainly, can also be other storage mediums in addition to above-mentioned tape library and/or CD server, the application is not done herein
It is special to limit.
Referring to FIG. 2, Fig. 2 is a kind of structural schematic diagram of the main system of data backup provided herein, the principal series
System includes：
Unit 1 is established, connection with standby system is pre-established by it for main system；
Transmission unit 2, for when data be written main system when, main system by its send data to standby system so as to
Standby system is by data backup.
Embodiment as one preferred, establish unit 1 specifically for main system by main system storage medium with it is standby
The storage medium of part system pre-establishes one-to-one connection by it, wherein the available storage of the storage medium of main system
Space is not more than the free memory of corresponding storage medium in standby system.
Embodiment as one preferred, the main system further include：
Receiving unit, for after standby system completes data write-in, main system to receive what standby system was sent by it
Signal is completed in backup.
Embodiment as one preferred, standby system include tape library and/or CD server.
Above method embodiment, the application are please referred to for a kind of introduction of the main system of data backup provided by the present application
Details are not described herein.
To solve the above problems, referring to FIG. 3, Fig. 3 is a kind of structure of the equipment of data backup provided herein
Schematic diagram, the equipment include：
Main system 10, the connection for pre-establishing itself and standby system 11；It is additionally operable to, when data are written thereon, to count
According to being sent to standby system 11；
Standby system 11, for receiving simultaneously Backup Data.
Above method embodiment is please referred to for the introduction of equipment provided by the present application, this will not be repeated here by the application.
To solve the above problems, the application also provides a kind of computer readable storage medium, computer readable storage medium
On be stored with computer program, following steps can be realized when computer program is executed by processor：
Main system 10 pre-establishes the connection with standby system 11；
When main system 10 is written in data, main system 10 sends data to standby system 11 so that standby system 11 will count
According to backup.
The computer readable storage medium may include：USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various to deposit
Store up the medium of program code.
Above method embodiment is please referred to for the introduction of computer readable storage medium provided by the present application, the application exists
This is not repeated.
Main system, equipment and the computer readable storage medium of a kind of data backup provided by the present application, with above-mentioned data
The method advantageous effect having the same of backup.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence " including one " limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the application.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of method of data backup, which is characterized in that including：
Main system pre-establishes the connection with standby system；
When the main system is written in data, the data are sent to the standby system so as to the backup by the main system
System is by the data backup.
2. the method for data backup according to claim 1, which is characterized in that the main system is pre-established is with backup
The process of the connection of system is specially：
The storage medium of storage medium and the standby system thereon is pre-established one-to-one connection by the main system,
Wherein, the free memory of the storage medium of the main system is no more than storage medium corresponding in the standby system
Free memory.
3. the method for data backup according to claim 1, which is characterized in that this method further includes：
After the standby system completes the data write-in, the main system receives the backup that the standby system is sent and completes
Signal.
4. the method for data backup according to claim 1, which is characterized in that the standby system include tape library and/
Or CD server.
5. a kind of main system of data backup, which is characterized in that including：
Unit is established, connection with standby system is pre-established by it for main system；
Transmission unit, for when the main system is written in data, the data to be sent to described by the main system by it
Standby system is so that the standby system is by the data backup.
6. the main system of data backup according to claim 5, which is characterized in that the unit of establishing is specifically for described
The storage medium of storage medium and the standby system in the main system is pre-established one-to-one correspondence by main system by it
Connection, wherein the free memory of the storage medium of the main system be not more than the standby system in it is corresponding
The free memory of storage medium.
7. the main system of data backup according to claim 5, which is characterized in that the main system further includes：
Receiving unit, for after the standby system completes the data write-in, the main system to be described standby by its reception
Signal is completed in the backup that part system is sent.
8. the main system of data backup according to claim 5, which is characterized in that the standby system includes tape library
And/or CD server.
9. a kind of data backup device, which is characterized in that including：
Main system, for pre-establishing its connection with standby system；It is additionally operable to, when data are written thereon, the data be sent out
It send to standby system；
The standby system, for receiving and backing up the data.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as Claims 1-4 any one of them data back up method
Step.
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| CN201810385324.XA CN108647117A (en) | 2018-04-26 | 2018-04-26 | A kind of method of data backup, main system, equipment and computer readable storage medium |
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| CN201810385324.XA CN108647117A (en) | 2018-04-26 | 2018-04-26 | A kind of method of data backup, main system, equipment and computer readable storage medium |
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Application publication date: 20181012 |