CN105224424A - A kind of backup method and system - Google Patents
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- CN105224424A CN105224424A CN201510716075.4A CN201510716075A CN105224424A CN 105224424 A CN105224424 A CN 105224424A CN 201510716075 A CN201510716075 A CN 201510716075A CN 105224424 A CN105224424 A CN 105224424A
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Abstract
The invention discloses a kind of backup method, comprise the steps: to send the backup instruction backed up application system; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self; The current backup rank of the load condition fed back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is any one in full backup, incremental backup or differential backup; Receive the Backup Data that described application system sends, described Backup Data is backed up; Upgrade according to the current backup rank of backup mode to application system.The invention also discloses a kind of standby system, the present invention can reduce the transmission quantity of Backup Data as far as possible while ensureing backup requirements, and completes backup with alap extra resource consumption.
Description
Technical field
The present invention relates to data backup field, particularly relate to a kind of backup method and system.
Background technology
Backup is the basis of disaster tolerance, refers to as anti-locking system occurs that misoperation or the system failure cause loss of data, and all or part of data acquisition is copied to the process of other storage medium from the hard disk of applied host machine or array.The importance of backup is self-evident, and the development that the development of redundancy technique is also following whole computer technology always.Anyly to put into production and the application cannot ignored historical data or IT system all need a set of standby system adapted.
Common backup method mainly contains full backup, incremental backup and differential backup, full backup can ensure the complete available of data and recover easy, but BACKUP TIME is general longer, data volume is usually very large, can cause very large resource burden to application system simultaneously; Incremental backup is the data of the once rear change of backup before backup, this method is that data volume is minimum simultaneously minimum on operation system impact, but reduction is got up cumbersome, it needs the full backup successively decreased step by step from the incremental backup of current level up to nearest; Differential backup backs up apart from the data changed since last full backup, and therefore data volume is not too large, and reduction also only needs two number certificates.
But in actual applications, we often completely should realize set backup requirements, reduce the resource consumption of backup procedure for application system as much as possible again, backup data quantity should be reduced as far as possible, reduce the cost reducing and bring again as far as possible, this has backed up problem always studied since proposing simultaneously.
Existing technical scheme is all based on plan target, and specify corresponding backup level to realize backup, backup mode is dumb, and effect is not good, is difficult to meet request for utilization.
Summary of the invention
The object of the present invention is to provide a kind of backup method and system, transmitted data amount can be reduced while guarantee backup requirements, and then reduce BACKUP TIME, and complete backup with alap extra resource consumption.
The invention provides a kind of backup method, comprise the steps:
Send the backup instruction that application system is backed up; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self;
The current backup rank of the load condition fed back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is the one in full backup, incremental backup or differential backup;
Receive the Backup Data that described application system sends, described Backup Data is backed up;
Upgrade according to the current backup rank of backup mode to application system.
As the improvement of such scheme, describedly carry out renewal according to the current backup rank of backup mode to application system and be specially:
When described backup mode is full backup, be then 0 by described current backup grade renewal;
When described backup mode is incremental backup, then described current backup rank is added 1;
When described backup mode is incremental backup, then keep current backup rank constant.
As the improvement of such scheme, the current backup rank of the described load condition according to described application system and described application system, select backup mode, be specially:
When described load condition exceedes default first threshold, choice for use incremental backup;
When described load condition exceedes default Second Threshold and lower than described first threshold, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold;
When described load condition exceedes default Second Threshold and lower than described first threshold, and when the current backup rank of described application system exceedes default first level, choice for use differential backup;
When described load condition is lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
As the improvement of such scheme, also comprise:
Judge whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
As the improvement of such scheme, also comprise:
Add up load condition and the backup mode of the application system at least one full dose cycle.
Present invention also offers a kind of standby system, comprising:
Instruction issue unit, for sending the backup instruction backed up application system; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self;
Selection unit, for the current backup rank of the load condition that feeds back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is the one in full backup, incremental backup or differential backup;
Backup units, for receiving the Backup Data that described application system sends, backs up described Backup Data;
Updating block, for upgrading according to the current backup rank of backup mode to application system.
As the improvement of such scheme, it is characterized in that, described updating block specifically for:
When described backup mode is full backup, be then 0 by described current backup grade renewal;
When described backup mode is incremental backup, then described current backup rank is added 1;
When described backup mode is incremental backup, then keep current backup rank constant.
As the improvement of such scheme, described selection unit specifically for:
When described load condition exceedes default first threshold, choice for use incremental backup;
When described load condition exceedes default Second Threshold and lower than described first threshold, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold;
When described load condition exceedes default Second Threshold and lower than described first threshold, and when the current backup rank of described application system exceedes default first level, choice for use differential backup;
When described load condition is lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
As the improvement of such scheme, described standby system also comprises:
Judging unit, for judging whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
As the improvement of such scheme, described standby system also comprises:
Statistic unit, for adding up load condition and the backup mode of the application system at least one full dose cycle.
The backup method that the embodiment of the present invention provides and system, according to real-time load condition and the current backup level of application system, intelligent selection backup mode, thus not only ensure backup requirements but also reduce transmitted data amount, and then reduction BACKUP TIME, complete backup with alap extra resource consumption simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the backup method that first embodiment of the invention provides.
Fig. 2 is the structural representation of the standby system that second embodiment of the invention provides.
Fig. 3 is the structural representation of the standby system that another embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the backup method that first embodiment of the invention provides.Described backup method can be performed by standby system, and at least comprises the steps:
S101, sends the backup instruction backed up application system; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self.
In embodiments of the present invention, described application system can be IT system or various office systems etc., wherein, described application system operationally, newly-increased data will be produced or data can change, these data that are newly-increased or change will be kept at the storage space of described application system, as on hard disk or other memory devices.In the application of reality, occur that in order to prevent application system misoperation or the system failure cause loss of data, all or part of data acquisition in application system need be copied to other storage medium from the hard disk of application system or array, namely need to back up the data in application system.
In embodiments of the present invention, described standby system can send every predetermined time the backup instruction carrying out backing up to described application system, described application system is after receiving described backup instruction, to the load condition of described standby system feedback self, as to as described in self central processing unit (CentralProcessingUnit, CPU) of standby system feedback take situation etc.
S102, the current backup rank of the load condition fed back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is any one in full backup, incremental backup or differential backup.
In embodiments of the present invention, described standby system after the load condition receiving described application system feedback, then according to the current backup rank of described application system prestored, selects backup mode.
Particularly, in embodiments of the present invention, the backup level of the application system of just carrying out full backup can be set to 0 grade, on the basis of 0 grade, described application system is often through an incremental backup, its backup level increases by 1, and described application system is often through a differential backup, and its backup level continues to have.
Such as, an application system, it just carries out full backup, then current backup rank is 0, after this, after described application system have passed through 3 incremental backups, then current backup rank is 3, then after a differential backup, and its backup level remains 3 constant, if carry out a full backup again, then backup level returns again is 0.
In embodiments of the present invention, because full backup needs the total data of back-up application system, thus its need backup time and to application system produce load also maximum, and differential backup is the data that the last full backup of backup increases newly later, it is also less that its time of backing up and the load produced application system compare full backup, and incremental backup is owing to only need back up the data of change after last backup, time of its backup and the load produced application system are minimum at three kinds of backup modes.But corresponding, when data convert, the recovery time of full backup is the shortest, and differential backup takes second place, and incremental backup is the longest, thus needs to select suitable backup mode according to the situation of reality.
Particularly, in embodiments of the present invention, described standby system can arrange an algorithm and carrys out intelligent selection backup mode:
Described standby system can exceed default first threshold, choice for use incremental backup when described load condition.
Such as, suppose that described first threshold is 70%, then the cpu load that now described application system is described is very large, now, should select a BACKUP TIME and the less backup mode of backup data quantity, incremental backup.
Described standby system can exceed default Second Threshold and lower than described first threshold when described load condition, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold.
Such as, suppose that described Second Threshold is 40%, described first level is 2, then illustrate that the cpu load of now described application system is normal, and be less than first level (being namely less than 2) due to described current backup rank, even if number of times needed for now reducing also few (lower than 2 times) is then described, thus consider the data volume of BACKUP TIME and backup, still can choice for use incremental backup.
Described standby system can exceed default Second Threshold and lower than described first threshold when described load condition, and when the current backup rank of described application system exceedes default first level, choice for use differential backup.
Such as, suppose that described Second Threshold is 40%, described first level is 2, then illustrate that the cpu load of now described application system is normal, and be greater than first level (being namely greater than 2) due to described current backup rank, even if the number of times more (being greater than 2 times) needed for now reducing then is described, thus considers the data volume of BACKUP TIME and backup, usage variance can be selected to back up.
Described standby system can work as described load condition lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
Such as, suppose that described Second Threshold is 40%, described first level is 2, then illustrate that the cpu load of now described application system is very low, and be greater than first level (being namely greater than 2) due to described current backup rank, even if the number of times more (being greater than 2 times) needed for now reducing then is described, thus consider the data volume of BACKUP TIME and backup, can choice for use full backup.
It should be noted that, in above-described embodiment, the numerical value that described first threshold, Second Threshold and first level are arranged is only illustratively, and it can arrange corresponding numerical value according to the actual needs, and not because being interpreted as limitation of the invention.Such as, described first threshold also can be set to 75%, and 80% or other values, and described Second Threshold also can be set to 30%, 35% or other numerical value, described first level also can be set to other ranks, and the present invention is not specifically limited.
In embodiments of the present invention, after described standby system determines backup mode, backup mode is sent to application system, after described application system receives described backup mode, prepare the data needing to carry out backing up according to backup mode, and will the data of backup be needed to send to described standby system.Such as, if described backup mode is full backup, then described application system need prepare whole data, if described backup mode is differential backup, then described application system need prepare data that are newly-increased since last time full backup or change, if described backup mode is incremental backup, then described application system need prepare data that are newly-increased since Last Backup or change.
S103, receives the Backup Data that described application system sends, backs up described Backup Data.
In embodiments of the present invention, described standby system receives the Backup Data that described application system sends, and backs up described Backup Data.Wherein, under the Backup Data of identical application system can be stored in the lower independent sub-folder of identical file folder, these schemes are all within protection scope of the present invention.
S104, upgrades according to the current backup rank of backup mode to application system.
In embodiments of the present invention, described standby system also needs to upgrade according to the current backup rank of backup mode to application system, particularly, if this backup mode is full backup, is then 0 by described current backup grade renewal; If this backup mode is incremental backup, then 1 is added to current backup rank; If this backup mode is incremental backup, then keep described current backup rank constant, upgrade the backup informations such as backup file index simultaneously.
In sum, the backup method that the embodiment of the present invention provides, according to real-time load condition and the current backup rank of described application system, intelligent selection backup mode, thus transmitted data amount is reduced again while meeting backup requirements, and then reduction BACKUP TIME, complete backup with alap extra resource consumption simultaneously.
It should be noted that, in embodiments of the present invention, described backup method also comprises:
Judge whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
Particularly, although full backup data volume is comparatively large, the time is longer, resource consumption is large, full backup but more significantly can increase the reduction efficiency of described application system, therefore described standby system should ensure within a full dose cycle (as 3 months, in half a year or 1 year) at least complete once to the full backup of application system, to ensure the efficiency of reduction.
It should be noted that, in embodiments of the present invention, described backup method also comprises:
Add up load condition and the backup mode of the application system at least one full dose cycle.
Particularly, in embodiments of the present invention, described standby system also can record the information such as the load condition of data volume, BACKUP TIME and described application system when at every turn backing up in detail, in units of the full dose cycle, automatic tabulate statistics draws the relation of relevant data amount, BACKUP TIME and server load etc., draws full dose cycle server load chart.Here, described load chart can be used for the strategy that the described standby system of side group regulates backup, as regulated the value of above-mentioned first threshold, Second Threshold, first level, or regulate the time span etc. in full dose cycle, transmitted data amount is reduced again while ensureing meeting backup requirements, and then reduction BACKUP TIME, complete backup with alap extra resource consumption simultaneously.
Refer to Fig. 2, Fig. 2 is the structural representation of the standby system that second embodiment of the invention provides.Described standby system 200 can be used for performing the backup method described in above-mentioned first embodiment, and it can comprise:
Instruction issue unit 210, for sending the backup instruction backed up application system; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self.
Selection unit 220, for the current backup rank of the load condition that feeds back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is the one in full backup, incremental backup or differential backup.
Particularly, described selection unit 220 specifically for: when described load condition exceedes default first threshold, choice for use incremental backup.When described load condition exceedes default Second Threshold and lower than described first threshold, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold.
When described load condition exceedes default Second Threshold and lower than described first threshold, and when the current backup rank of described application system exceedes default first level, choice for use differential backup.When described load condition is lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
Backup units 230, for receiving the Backup Data that described application system sends, backs up described Backup Data.
Updating block 240, for upgrading according to the current backup rank of backup mode to application system.
Particularly, described updating block 240 specifically for: when described backup mode is full backup, be then 0 by described current backup grade renewal; When described backup mode is incremental backup, then described current backup rank is added 1; When described backup mode is incremental backup, then keep current backup rank constant.
In sum, the standby system 200 that the embodiment of the present invention provides, described selection unit 220 is according to the real-time load condition of application system and current backup level, intelligent selection backup mode, described backup units 230 backs up the data that described application system sends, thus transmitted data amount is reduced again while guarantee backup requirements, and then reduce BACKUP TIME, complete backup with alap extra resource consumption.
See also Fig. 3, it should be noted that, in an alternative embodiment of the invention, described standby system 200 also comprises:
Judging unit 250, for judging whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
Particularly, although full backup data volume is comparatively large, the time is longer, resource consumption is large, full backup but more significantly can increase the reduction efficiency of described application system, therefore described judging unit 250 should ensure within a full dose cycle (as 3 months, in half a year or 1 year) at least complete once to the full backup of application system, to ensure the efficiency of reduction.
It should be noted that, in embodiments of the present invention, described standby system 200 also comprises statistic unit 260, described statistic unit 260 for, add up load condition and the backup mode of the application system at least one full dose cycle.
Particularly, in embodiments of the present invention, described statistic unit 260 also can record the information such as the load condition of data volume, BACKUP TIME and described application system when at every turn backing up in detail, in units of the full dose cycle, automatic tabulate statistics draws the relation of relevant data amount, BACKUP TIME and server load etc., draws full dose cycle server load chart.Here, described load chart can be used for the strategy that the described standby system 200 of side group regulates backup, as regulated the value of above-mentioned first threshold, Second Threshold, first level, or regulate the time span etc. in full dose cycle, transmitted data amount is reduced again while ensureing meeting backup requirements, and then reduction BACKUP TIME, complete backup with alap extra resource consumption simultaneously.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmitting software for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described software thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described software, be then stored in computer memory.
In the above-described embodiment, multiple step or method can be held in memory and by suitable instruction with storage and should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.The software that row system performs or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by software completes, described software can be stored in a kind of computer-readable recording medium, this software perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a backup method, is characterized in that, comprises the steps:
Send the backup instruction that application system is backed up; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self;
The current backup rank of the load condition fed back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is the one in full backup, incremental backup or differential backup;
Receive the Backup Data that described application system sends, described Backup Data is backed up;
Upgrade according to the current backup rank of backup mode to application system.
2. backup method according to claim 1, is characterized in that, it is characterized in that, describedly carries out renewal according to the current backup rank of backup mode to application system and is specially:
When described backup mode is full backup, be then 0 by described current backup grade renewal;
When described backup mode is incremental backup, then described current backup rank is added 1;
When described backup mode is incremental backup, then keep current backup rank constant.
3. backup method according to claim 1, is characterized in that, the current backup rank of the described load condition according to described application system and described application system, selects backup mode, is specially:
When described load condition exceedes default first threshold, choice for use incremental backup;
When described load condition exceedes default Second Threshold and lower than described first threshold, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold;
When described load condition exceedes default Second Threshold and lower than described first threshold, and when the current backup rank of described application system exceedes default first level, choice for use differential backup;
When described load condition is lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
4. backup method according to claim 1, is characterized in that, also comprises:
Judge whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
5. backup method according to claim 4, is characterized in that, also comprises:
Add up load condition and the backup mode of the application system at least one full dose cycle.
6. a standby system, is characterized in that, comprising:
Instruction issue unit, for sending the backup instruction backed up application system; Wherein, described application system, after receiving described backup instruction, feeds back the load condition of self;
Selection unit, for the current backup rank of the load condition that feeds back according to described application system and described application system, selects backup mode, prepares Backup Data to make described application system according to described backup mode; Wherein, described backup mode is the one in full backup, incremental backup or differential backup;
Backup units, for receiving the Backup Data that described application system sends, backs up described Backup Data;
Updating block, for upgrading according to the current backup rank of backup mode to application system.
7. standby system according to claim 6, is characterized in that, it is characterized in that, described updating block specifically for:
When described backup mode is full backup, be then 0 by described current backup grade renewal;
When described backup mode is incremental backup, then described current backup rank is added 1;
When described backup mode is incremental backup, then keep current backup rank constant.
8. standby system according to claim 6, is characterized in that, described selection unit specifically for:
When described load condition exceedes default first threshold, choice for use incremental backup;
When described load condition exceedes default Second Threshold and lower than described first threshold, and the current backup rank of described application system lower than the first level preset time, choice for use incremental backup; Wherein, described first threshold is greater than described Second Threshold;
When described load condition exceedes default Second Threshold and lower than described first threshold, and when the current backup rank of described application system exceedes default first level, choice for use differential backup;
When described load condition is lower than the Second Threshold preset, and when the current backup rank of described application system exceedes default first level, choice for use full backup.
9. standby system according to claim 6, is characterized in that, described standby system also comprises:
Judging unit, for judging whether the time interval of the last full backup of described application system and current backup exceedes the default full dose cycle, if so, then described backup mode is set to full backup.
10. standby system according to claim 9, is characterized in that, described standby system also comprises:
Statistic unit, for adding up load condition and the backup mode of the application system at least one full dose cycle.
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| CN112306758A (en) * | 2020-12-24 | 2021-02-02 | 深圳市科力锐科技有限公司 | Backup success rate prediction method, device, equipment and storage medium |
| CN112306758B (en) * | 2020-12-24 | 2021-04-02 | 深圳市科力锐科技有限公司 | Backup success rate prediction method, device, equipment and storage medium |
| CN112286735B (en) * | 2020-12-24 | 2021-04-09 | 深圳市科力锐科技有限公司 | Backup success rate determining method, device, equipment and storage medium |
| CN113568779A (en) * | 2021-06-25 | 2021-10-29 | 杭州雅观科技有限公司 | Community data backup system based on routing equipment |
| CN113568779B (en) * | 2021-06-25 | 2022-07-26 | 杭州雅观科技有限公司 | Community data backup system based on routing equipment |
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