CN108897638A - Data back up method, device, computer equipment and storage medium - Google Patents
Data back up method, device, computer equipment and storage medium Download PDFInfo
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- CN108897638A CN108897638A CN201810546827.0A CN201810546827A CN108897638A CN 108897638 A CN108897638 A CN 108897638A CN 201810546827 A CN201810546827 A CN 201810546827A CN 108897638 A CN108897638 A CN 108897638A
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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
Abstract
This application involves a kind of data back up method, device, computer equipment and storage mediums.The method includes：Obtain backup request；Backup request carries Database Identification and Data Identification to be backed up；Corresponding data to be backed up are obtained based on Data Identification to be backed up；Corresponding with Database Identification full dose is searched from server, increment from server and multiple primary servers；According to full dose from the data storage capacity of server, increment from the data storage capacity of server and the active volume of each primary server, at least one primary server is filtered out from multiple primary servers；Data to be backed up are stored at least one primary server filtered out, and by data full backup to be backed up to full dose from server and incremental backup is to increment from server.It being capable of equilibrium progress data storage on multiple servers using this method.
Description
Technical field
This application involves field of computer technology, more particularly to a kind of data back up method, device, computer equipment and
Storage medium.
Background technique
With the rapid development of office automation and e-commerce, enterprise increasingly payes attention to database.For important number
According to, it usually needs it backs up in realtime to the data in database.When the data volume of data to be backed up is larger, data base administration
Personnel can store data to be backed up into the database on multiple servers.Multiple data would generally be disposed on each server
Library.Since the database for different business has different data storage requirements, data storage capacity growth pattern is had nothing in common with each other.
In traditional approach, the data storage capacity of different server is usually unbalanced, and data storage capacity becomes on the server being easy to appear
In saturation, and the relatively low situation of data storage capacity on some servers.
Summary of the invention
Based on this, it is necessary to which in view of the above technical problems, provide one kind balanced can carry out data on multiple servers
Data back up method, device, computer equipment and the storage medium of storage.
A kind of data back up method, the method includes：Obtain backup request；The backup request carries database mark
Know and Data Identification to be backed up；Corresponding data to be backed up are obtained based on the Data Identification to be backed up；It searches and the data
Library identifies corresponding full dose from server, increment from server and multiple primary servers；According to the full dose from the number of server
According to amount of storage, the increment from the data storage capacity of server and the active volume of each primary server, from the multiple
At least one primary server is filtered out in primary server；The data to be backed up are stored at least one the main service filtered out
Device, and by the data full backup to be backed up to the full dose from server and incremental backup is to the increment from server.
In one of the embodiments, it is described according to the full dose from the data storage capacity of server, the increment from clothes
The data storage capacity of business device and the active volume of each primary server, filter out at least one from the multiple primary server
A primary server, including：It is stored according to the full dose from the data storage capacity of server and the increment from the data of server
Amount is calculated, and amount of storage rate of rise corresponding with the Database Identification is obtained；According to each primary server can
It is fitted with capacity and the amount of storage rate of rise, obtains the available duration of the active volume of each primary server；
According to the active volume available duration of each primary server, at least one main clothes is filtered out from the multiple primary server
Business device.
The active volume available duration according to each primary server in one of the embodiments, from described
At least one primary server is filtered out in multiple primary servers, including：It is available according to the active volume of each primary server
Duration is ranked up the multiple primary server；The master of preceding predetermined number is in after sorting in the multiple primary server
Server, as the primary server filtered out.
In one of the embodiments, it is described search corresponding with Database Identification full dose from server, increment from
Server and multiple primary servers, including：Determine database instance mark corresponding with the Database Identification；Obtain with it is described
Database instance identifies corresponding object instance table；Search the full dose that includes in the object instance table from server identification, increase
Amount is identified from server identification and multiple primary servers；Determine corresponding full dose from service from server identification according to full dose respectively
Device determines that corresponding increment is determined from server, and according to each primary server mark from server identification according to increment
Corresponding primary server.
It is described in one of the embodiments, to store the data to be backed up at least one the main service filtered out
Device, and by the data full backup to be backed up to the full dose from server and incremental backup is to the increment from server,
Including：The data to be backed up are stored at least one primary server filtered out；It will store to described and filter out at least
Data to be backed up in one primary server are compressed, and compressed file packet is obtained；Extremely by the compressed file packet full backup
The full dose is from server；By the compressed file packet incremental backup to the increment from server.
Compressed file packet of the full dose comprising full backup from server in one of the embodiments, it is described
Method further includes：Receive the recovery request that terminal uploads；The recovery request carries Database Identification and restores type；Response
In the recovery request, full dose corresponding with the Database Identification is searched from server and multiple primary servers；When described extensive
When multiple type is the first kind, then the compressed file packet that the full dose is to be restored from server is sent to the multiple main clothes
It is engaged in device, the compressed file packet in the multiple primary server is parsed；When the recovery type is Second Type, then
The full dose is changed to primary server from server, and the compressed file to be restored from server to the full dose solves
Analysis.
The recovery request also carries timestamp in one of the embodiments, it is described by the full dose from server
In compressed file packet to be restored be sent in the multiple primary server, to the compressed file packet in the multiple primary server
It is parsed, including：Determine time interval corresponding with the timestamp；It is multiple to be restored from server to obtain the full dose
Compressed file packet；The corresponding BACKUP TIME of compressed file packet to be restored is in the time interval；It will be described more
A compressed file packet to be restored is sent at least one described primary server；To receiving the compressed file to be restored
Primary server in compressed file parsed.
A kind of data backup device, described device include：Module is obtained, for obtaining backup request；The backup request
Carry Database Identification and Data Identification to be backed up；Corresponding data to be backed up are obtained based on the Data Identification to be backed up；
Searching module, for searching corresponding with Database Identification full dose from server, increment from server and multiple main services
Device；Screening module, for according to the full dose from the data storage capacity of server, the increment from the data storage capacity of server
With the active volume of each primary server, at least one primary server is filtered out from the multiple primary server；Backup
Module, for storing the data to be backed up at least one primary server filtered out, and the data to be backed up are complete
Amount backs up to the full dose from server and incremental backup is to the increment from server.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
The step of device realizes above-mentioned each data back up method as described in the examples when executing the computer program.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of above-mentioned each data back up method as described in the examples is realized when row.
In above-mentioned data back up method, O&M server can be searched and be carried with backup request after obtaining backup request
The corresponding full dose of Database Identification from server, increment from server and multiple primary servers, and obtain those storage services
The data storage capacity or active volume of device.O&M server can be according to full dose from the data storage capacity of server, increment from service
The active volume of the data storage capacity of device and each primary server filters out at least one main service from multiple primary servers
Device stores data to be backed up at least one primary server filtered out, and by data full backup to be backed up to full dose from
Server and incremental backup are to increment from server.Backup Data progress full backup is treated by principal and subordinate's server and increment is standby
Part, not only can effective guarantee data safety, and data storage capacity in each storage server can be best understood from
Growth trend.Data to be backed up are stored to data and are increased compared with slow or more active volume primary server, main clothes are avoided the occurrence of
It is engaged in device event of overload, the balanced utilization rate of each primary server, so as to realize that equilibrium carries out on multiple servers
Data storage.
Detailed description of the invention
Fig. 1 is the application scenario diagram of data back up method in one embodiment；
Fig. 2 is the flow diagram of data back up method in one embodiment；
Fig. 3 is the flow diagram of data back up method in another embodiment；
Fig. 4 is the structural block diagram of data backup device in one embodiment；
Fig. 5 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Data back up method provided by the present application can be applied in application environment as shown in Figure 1.Wherein, terminal 102
It is communicated by network with O&M server 104.It is logical that O&M server 104 can carry out network with storage server cluster 106
Letter.Terminal 102 can also be communicated by network with storage server cluster 106.Include in storage server cluster 106 but not
It is limited to full dose from server 106a, increment from server 106b and multiple primary server 106c.Wherein, terminal 102 can with but not
It is limited to be various personal computers, laptop, smart phone, tablet computer and portable wearable device, O&M service
Device 104 can be realized with the server cluster of the either multiple server compositions of independent server.Terminal 102 sends backup
To O&M server 104, O&M server 104 can be according to the Database Identification that backup request carries in storage server collection for request
Corresponding full dose is searched in group 106 from server 106a, increment from server 106b and multiple primary server 106c.O&M service
Device 104 can data storage capacity and each master according to full dose from the data storage capacity, increment of server 106a from server 106b
The active volume of server 106c filters out at least one primary server 106c from multiple primary server 106c.O&M service
Device 104 can store data to be backed up at least one primary server 106c filtered out, and by data full backup to be backed up
To full dose from server 106a and incremental backup is to increment from server 106b.
In one embodiment, as shown in Fig. 2, providing a kind of data back up method, it is applied in Fig. 1 in this way
It is illustrated, includes the following steps for O&M server 104：
Step 202, backup request is obtained；Backup request carries Database Identification and Data Identification to be backed up.
Step 204, corresponding data to be backed up are obtained based on Data Identification to be backed up.
Backup request refers to the request for being backed up to the data in database.Database Identification refers to for by one
A database community point is in the mark of other users.Database Identification can be by the one or more of them such as letter, number, punctuation mark
It constitutes.For example, Database Identification can be IP (the Internet Protocol of database name, database subordinate server
Address, internet protocol address) address or port numbers.Mark to be backed up can be the path for obtaining data to be backed up.It is to be backed up
Data refer to the data for being stored and being backed up.
In one embodiment, it can be API ((the Application Programming that terminal calls O&M server
Interface, application programming interface), backup request to the O&M for uploading carrying Database Identification and data to be backed up takes
Business device is handled.It can also be in database deployment, the associated database attributes information of settable DB Backup demand,
Such as frequency of your backups, backup retain number of days etc..O&M server can be raw every preset duration according to set frequency of your backups
At backup request.
Step 206, corresponding with Database Identification full dose is searched from server, increment from server and multiple main services
Device.
Primary server refers to for storage server affiliated under database normal operating condition.User is in database authorization
Later, can be by the database on terminal access primary server, and the data in database are increased, deletes, change, looking into
It askes.Refer to the storage server for being backed up to the data in database on primary server from server.From server packet
Full dose is included from server and increment from server.Full dose refers to the slave server for carrying out full backup, increment from server
Refer to the slave server for carrying out incremental backup from server.Full backup refers to on some time point upper primary server
All data completely copied.Incremental backup refers to that this incremental backup only need to be standby for after last incremental backup
The data that part increases or modified compared with last incremental backup.
In one embodiment, corresponding with Database Identification full dose is searched from server, increment from server and multiple
Primary server, including：Determine database instance mark corresponding with Database Identification；It obtains corresponding with database instance mark
Object instance table；The full dose for including in object instance table is searched from server identification, increment from server identification and multiple main clothes
Business device mark；Determine corresponding full dose from server, according to increment from server identification from server identification according to full dose respectively
Determine that corresponding increment determines corresponding primary server from server, and according to each primary server mark.
Database instance (instance) refers to a series of process in operating system and is distributed by these processes
Memory block.Database be come according to data structure tissue, storage and management data foundation on computer memory device
Warehouse.It can be corresponding with multiple databases under each database instance.O&M server can create data in storage server
Library example is distributing one piece of memory block from storage server, is then disposing database on the memory of distribution.Object instance
Table refers to the table for having recorded database instance relevant information.Database instance relevant information includes but is not limited to full dose from server
Mark, increment are identified from server identification and multiple primary servers.Full dose can be the IP of full dose server from server identification
Address or port numbers, increment can be the IP address or port numbers of increment server from server identification, and primary server mark can
To be the IP address or port numbers of primary server.
Also recordable Status of Backups, backup newest time, frequency of your backups, backup retain number of days, next time in object instance table
The backup attribute information such as BACKUP TIME.Backup attribute information can be O&M server when carrying out database deployment, and user passes through
When terminal sends database application work order, information entrained by database application work order.O&M server can also be according to target reality
The backup attribute information recorded in example table realizes the backup of data.Database, number can be clearly determined by object instance table
According to the relationship between library example, storing data library, to quickly find full dose corresponding with Database Identification from server, increasing
It measures from server and multiple primary servers.
Step 208, the data storage capacity and each master according to full dose from the data storage capacity, increment of server from server
The active volume of server filters out at least one primary server from multiple primary servers.
Data storage capacity refer to full dose from server or increment the memory shared by storing data from server.Active volume
Refer to remaining available memory on primary server.The data storage capacity of each storage server can be monitored in real time in O&M server
And active volume directly acquires the data storage capacity and active volume of real-time monitoring when receiving backup request；Also
Backup request only can received, go to inquire corresponding full dose from server, increment from the data storage capacity of server and
The active volume of multiple primary servers.
In one embodiment, since the total capacity of each storage server can be identical, it is also possible to not identical
's.And the same storage server is directed to different databases, can be used as full dose from server, increment from server and master
One of server in server.That is, the data in each storage server can be from multi-party.Therefore, may be used
To obtain each storage server data storage capacity and active volume, Integrated Selection is carried out to all storage servers.
According to full dose from the data storage capacity of server, increment from the data storage capacity of server and each primary server
Active volume can calculate the trend that data increase in primary server.When data increase comparatively fast or active volume is less, explanation
The case where data storage capacity tends to be saturated on primary server, then primary server is easy to appear excess load, needing to avoid will be to be backed up
Data are stored to the primary server；When data growth is more compared with slow or active volume, illustrate data storage capacity on primary server
Tend to be relatively low, then the utilization rate of primary server is lower, can preferentially store data to be backed up to the primary server.
Step 210, data to be backed up are stored at least one primary server filtered out, and by data full dose to be backed up
Full dose is backed up to from server and incremental backup is to increment from server.
Full backup, which refers to, completely copies all data on some time point upper primary server.Increment is standby
Part refers to for after last incremental backup, this incremental backup be only backed up with last incremental backup compared with increase or by
The data of modification.Such as frequency of your backups can be it is daily, by data full backup to be backed up to full dose from server be by this
Newly-increased data backup to be backed up to full dose from server；And data increment to be backed up is backed up into increment from server
When, not only need the newly-increased data backup to be backed up by this to increment from server, it is also necessary to by increment from server
In the data that are backed up are deleted in the previous day in corresponding period on the day of comprising backup so that increment only includes from server
The data backed up in the corresponding period on the backup same day.
In one embodiment, data to be backed up are stored at least one primary server filtered out, and will be to be backed up
Data full backup is to full dose from server and incremental backup is to increment from server, including：Data to be backed up are stored to sieve
At least one primary server selected；The data to be backed up stored at least one primary server filtered out are pressed
Contracting, obtains compressed file packet；By compressed file packet full backup to full dose from server；By compressed file packet incremental backup to increasing
It measures from server.
It can call warm back-up tool, such as XtraBackup tool (a kind of tool for carrying out Data Physical backup,
Reading and writing data is not influenced when backup), it treats Backup Data and is replicated and compressed.Streaming compression can be carried out to Backup Data,
Obtain the compressed file packet of tar (linux system order) or a kind of xbstream (data format of compressed file) format.Pass through
The mode of compressed file packet is treated Backup Data and is backed up, and reduces the memory of Backup Data occupancy, and can be more easily
Compressed file packet is encrypted, the safety of data to be backed up is improved.
In above-mentioned data back up method, O&M server can be searched and be carried with backup request after obtaining backup request
The corresponding full dose of Database Identification from server, increment from server and multiple primary servers, and obtain those storage services
The data storage capacity or active volume of device.O&M server can be according to full dose from the data storage capacity of server, increment from service
The active volume of the data storage capacity of device and each primary server filters out at least one main service from multiple primary servers
Device stores data to be backed up at least one primary server filtered out, and by data full backup to be backed up to full dose from
Server and incremental backup are to increment from server.Backup Data progress full backup is treated by principal and subordinate's server and increment is standby
Part, not only can effective guarantee data safety, and data storage capacity in each storage server can be best understood from
Growth trend.Data to be backed up are stored to data and are increased compared with slow or more active volume primary server, main clothes are avoided the occurrence of
It is engaged in device event of overload, the balanced utilization rate of each primary server, so as to realize that equilibrium carries out on multiple servers
Data storage.
In one embodiment, according to full dose from the data storage capacity of server, increment from the data storage capacity of server
With the active volume of each primary server, at least one primary server is filtered out from multiple primary servers, including：According to full dose
It is calculated, is obtained corresponding with Database Identification from the data storage capacity of server from the data storage capacity and increment of server
Amount of storage rate of rise；It is fitted according to the active volume of each primary server and amount of storage rate of rise, obtains each master
The available duration of the active volume of server；According to the active volume available duration of each primary server, from multiple primary servers
In filter out at least one primary server.
Full dose is corresponding with total data storage capacity current in multiple primary servers from the data storage capacity of server
, it can be equal, be also possible to positively related.Increment from the data storage capacity of server, in multiple primary servers
The increased data storage capacity of institute is corresponding in predetermined period, can be equal, is also possible to positively related.Due to multiple
In primary server in predetermined period increased data storage capacity be not usually stable, but have certain growth trend or subtract
Slow trend, multiple masters can be calculated according to full dose from the data storage capacity and increment of server from the data storage capacity of server
The corresponding amount of storage rate of rise of server.Such as full dose from the data storage capacity in server previous period be Q1, full dose
It is Q2 from the data storage capacity of server current period；Increment from the data storage capacity in server previous period be Z1, increment
It is Z2 from the data storage capacity of server current period.The data storage capacity that full dose increases newly in one cycle from server is
Q2-Q1；The data storage capacity Z2-Z1 that increment increases newly in one cycle from server.According to formulaIt can calculate
Amount of storage rate of rise p out.
It is fitted according to the active volume of each primary server and amount of storage rate of rise, obtains each primary server
The available duration of active volume.For example, such as, increment from the data storage capacity of server be W, amount of storage rate of rise
For p, active volume S, n period is can be used in active volume, and the period is T, if assuming, amount of storage rate of rise p is constant,
Amount of cycles n workable for active volume can be solved by following formula：(1+p)W+(1+p)2W+(1+p)3W…+(1+p)nW
=S, after solving n, then the available duration of the active volume of primary server is nT.
In one embodiment, it according to the active volume available duration of each primary server, is sieved from multiple primary servers
At least one primary server is selected, including：According to the active volume available duration of each primary server, to multiple primary servers into
Row sequence；The primary server of preceding predetermined number is in after sorting in multiple primary servers, as the primary server filtered out.Meter
It, can be according to available duration from long to short to multiple main services after the available duration for calculating the active volume for obtaining each primary server
Device is ranked up, and the primary server that available duration is greater than preset length is screened, can also will be at the length of available duration
It is screened in the primary server of preceding predetermined number, using the primary server screened as the master for being used to store data to be backed up
Server.
In one embodiment, O&M server can carry out High Availabitity switching to storage server.High Availabitity switching refers to
When detecting that primary server breaks down, primary server is switched into high-availability cluster automatically.High-availability cluster refers to one group
Computer node, for providing a user one group of Internet resources as a whole.Full dose is switched to from service in primary server
Device it, full dose after switching is equivalent to primary server from server, and terminal may have access to the full dose after switching from server
Database, and the data in database are increased, deletes, change, inquiring.And full dose after handover is substituted from server
During primary server, can also generate the data stored, again restore primary server during, need by
The data of those newly-increased storages are restored.
In one embodiment, compressed file packet of the full dose comprising full backup from server, method further include：It connects
Receive the recovery request that terminal uploads；Recovery request carries Database Identification and restores type；In response to recovery request, search with
The corresponding full dose of Database Identification is from server and multiple primary servers；When restore type be the first kind when, then by full dose from
Compressed file packet to be restored is sent in multiple primary servers in server, to the compressed file packet in multiple primary servers into
Row parsing；When restoring type is Second Type, then full dose is changed to primary server from server, and to full dose from server
In compressed file to be restored parsed.
Recovery request refers to request of the terminal for applying restoring primary server again.It is the first kind when restoring type
When, illustrate that the failure of original primary server has solved, can carry out operating normally.By by full dose from server to extensive
Multiple compressed file packet is sent in multiple primary servers, is parsed to the compressed file packet in multiple primary servers, can be with
Data after being restored in original primary server.When restoring type is Second Type, illustrate original primary server
Failure cannot solve, need by switching after full backup server be formally converted to primary server.By by full dose from
Server is changed to primary server, and the compressed file to be restored from server to full dose parses, directly full dose from
Data after being restored in server.Further new full backup service can also be distributed for the primary server newly converted
Device.
In one embodiment, recovery request also carries timestamp, by full dose compression text to be restored from server
Part packet is sent in multiple primary servers, is parsed to the compressed file packet in multiple primary servers, including：The determining and time
Stab corresponding time interval；Obtain full dose multiple compressed file packets to be restored from server；Compressed file packet to be restored
Corresponding BACKUP TIME is in time interval；Multiple compressed file packets to be restored are sent at least one primary server
In；Compressed file in the primary server for receiving compressed file to be restored is parsed.
Timestamp refers to that the required primary server of user restores the time extremely.For example, on 2 1st, 2018, it can be by master
Server restored on January 1st, 2018.The data that primary server was stored during 2 months 2018 on January 1st, 1 day 1
It will be emptied, the state of primary server when the primary server after recovery will be on January 1st, 2018.
In one embodiment, O&M server can receive the deployment request that terminal uploads；Deployment request carries data
Apply for work order in library；O&M server is requested in response to deployment, extracts Database Properties information from database application work order；Fortune
It ties up server and creates database instance, and initial data base corresponding with database instance；O&M server based on data library
Attribute information disposes initial data base, obtains target database；When O&M server detects that target database is disposed
When completion, creation is corresponding with target database to authorize account；O&M server will authorize account to be sent to terminal, so that eventually
End passes through authorization account access target database.Database Properties information includes the backups categories such as frequency of your backups, backup reservation number of days
Property information.
In one embodiment, initial data base is disposed according to Database Properties information, obtains target database,
Including：The database functions such as the automatic backup function, automatic check function, High Availabitity handoff functionality of initial data base are opened, are obtained
Target database.In the operational process of target database, the database function opened can persistently be provided target database
Stable service guarantee.For example, detect primary server break down when, primary server is switched into High Availabitity collection in time
Group；For another example, verified by every verification index to data backup procedure, such as whether open backup, backup whether at
Function etc. can be handled in time when the error occurs.The exception of appearance can be automatically processed, it can also notification database
Administrative staff carry out manpower intervention, carry out problem examination, repair, can also redeploy when needed to database.
By providing the database O&M process of a closed loop, the stability for the database disposed has been ensured.
In one embodiment, as shown in figure 3, providing another data back up method, it is applied in Fig. 1 in this way
O&M server 104 for be illustrated, include the following steps：
Step 302, backup request is obtained；Backup request carries Database Identification and Data Identification to be backed up.
Step 304, corresponding data to be backed up are obtained based on Data Identification to be backed up.
Step 306, database instance mark corresponding with Database Identification is determined.
Step 308, object instance table corresponding with database instance mark is obtained.
Step 310, according to the full dose for including in object instance table from server identification, increment from server identification and multiple
Primary server mark.
Step 312, determine corresponding full dose from server, according to increment from service from server identification according to full dose respectively
Device mark determines that corresponding increment determines corresponding primary server from server, and according to each primary server mark.
Step 314, it is counted from the data storage capacity and increment of server from the data storage capacity of server according to full dose
It calculates, obtains amount of storage rate of rise corresponding with Database Identification.
Step 316, it is fitted according to the active volume of each primary server and amount of storage rate of rise, obtains each master
The available duration of the active volume of server.
Step 318, according to the active volume available duration of each primary server, multiple primary servers are ranked up.
Step 320, the primary server of preceding predetermined number is in after sorting in multiple primary servers, as the master filtered out
Server.
Step 322, data to be backed up are stored at least one primary server filtered out.
Step 324, the data to be backed up stored at least one primary server filtered out are compressed, is pressed
Contracting file packet.
Step 326, by compressed file packet full backup to full dose from server, by compressed file packet incremental backup to increment
From server.
In above-mentioned data back up method, O&M server can be searched and be carried with backup request after obtaining backup request
The corresponding full dose of Database Identification from server, increment from server and multiple primary servers, and obtain those storage services
The data storage capacity or active volume of device.O&M server can be according to full dose from the data storage capacity of server, increment from service
The active volume of the data storage capacity of device and each primary server filters out at least one main service from multiple primary servers
Device stores data to be backed up at least one primary server filtered out, and by data full backup to be backed up to full dose from
Server and incremental backup are to increment from server.By carrying out full dose after data to be backed up are converted to compressed file packet
Backup and incremental backup, not only can effective guarantee data safety, and can be reduced full dose from server, incremental backup to increasing
Memory needed for amount.By being best understood from the growth trend of data storage capacity in each storage server, by data to be backed up
It stores to the longer primary server of available duration, avoids the occurrence of primary server event of overload, balanced each primary server
Utilization rate, so as to realize that equilibrium carries out data storage on multiple servers.
It should be understood that although each step in the flow chart of Fig. 2 and 3 is successively shown according to the instruction of arrow,
It is these steps is not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
There is no stringent sequences to limit for rapid execution, these steps can execute in other order.Moreover, in Fig. 2 and 3 at least
A part of step may include that perhaps these sub-steps of multiple stages or stage are not necessarily in same a period of time to multiple sub-steps
Quarter executes completion, but can execute at different times, the execution in these sub-steps or stage be sequentially also not necessarily according to
Secondary progress, but in turn or can replace at least part of the sub-step or stage of other steps or other steps
Ground executes.
In one embodiment, as shown in figure 4, providing a kind of data backup device 400, including：Module 402 is obtained,
For obtaining backup request；Backup request carries Database Identification and Data Identification to be backed up；Based on Data Identification to be backed up
Obtain corresponding data to be backed up；Searching module 404, for searching full dose corresponding with Database Identification from server, increment
From server and multiple primary servers；Screening module 406, for according to full dose from the data storage capacity of server, increment from clothes
The data storage capacity of business device and the active volume of each primary server, filter out at least one main service from multiple primary servers
Device；Backup module 408, for storing data to be backed up at least one primary server filtered out, and by data to be backed up
Full backup is to full dose from server and incremental backup is to increment from server.
In one embodiment, screening module 406 be also used to according to full dose from the data storage capacity of server and increment from
The data storage capacity of server is calculated, and amount of storage rate of rise corresponding with Database Identification is obtained；According to each main clothes
The active volume of device of being engaged in and amount of storage rate of rise are fitted, and obtain the available duration of the active volume of each primary server；
According to the active volume available duration of each primary server, at least one primary server is filtered out from multiple primary servers.
In one embodiment, screening module 406 is also used to the active volume available duration according to each primary server, right
Multiple primary servers are ranked up；The primary server of preceding predetermined number is in after sorting in multiple primary servers, as screening
Primary server out.
In one embodiment, backup module 408 is also used to store data to be backed up at least one master filtered out
Server；The data to be backed up stored at least one primary server filtered out are compressed, compressed file packet is obtained；
By compressed file packet full backup to full dose from server；By compressed file packet incremental backup to increment from server.
In one embodiment, compressed file packet of the full dose comprising full backup from server, the device further include
Recovery module, for receiving the recovery request of terminal upload；Recovery request carries Database Identification and restores type；In response to
Recovery request searches full dose corresponding with Database Identification from server and multiple primary servers；It is the first kind when restoring type
When type, then full dose is sent in multiple primary servers from compressed file packet to be restored in server, to multiple primary servers
In compressed file packet parsed；When restoring type is Second Type, then full dose is changed to primary server from server,
And compressed file to be restored from server parses to full dose.
In one embodiment, recovery request also carries timestamp, and it is corresponding with timestamp that recovery module is also used to determination
Time interval；Obtain full dose multiple compressed file packets to be restored from server；Compressed file packet to be restored is corresponding
BACKUP TIME is in time interval；Multiple compressed file packets to be restored are sent at least one primary server；Docking
The compressed file received in the primary server of compressed file to be restored is parsed.
Specific about data backup device limits the restriction that may refer to above for data back up method, herein not
It repeats again.Modules in above-mentioned data backup device can be realized fully or partially through software, hardware and combinations thereof.On
Stating each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also store in a software form
In memory in computer equipment, the corresponding operation of the above modules is executed in order to which processor calls.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 5.Such as the server can be the O&M server 104 in Fig. 1.The computer equipment includes
Processor, memory, network interface and the database connected by system bus.Wherein, the processor of the computer equipment is used
In offer calculating and control ability.The memory of the computer equipment includes non-volatile memory medium, built-in storage.This is non-easily
The property lost storage medium is stored with operating system, computer program and database.The built-in storage is in non-volatile memory medium
Operating system and computer program operation provide environment.The database of the computer equipment is for storing object instance table etc.
Data.The network interface of the computer equipment is used to communicate with external terminal by network connection.The computer program is located
It manages when device executes to realize a kind of data back up method.
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor are provided, which is stored with
Computer program, the processor realize following steps when executing computer program：Obtain backup request；Backup request carries number
According to library mark and Data Identification to be backed up；Corresponding data to be backed up are obtained based on Data Identification to be backed up；Lookup and database
Corresponding full dose is identified from server, increment from server and multiple primary servers；It is stored according to full dose from the data of server
Amount, increment from the data storage capacity of server and the active volume of each primary server, filtered out from multiple primary servers to
A few primary server；Data to be backed up are stored at least one primary server filtered out, and by data full dose to be backed up
Full dose is backed up to from server and incremental backup is to increment from server.
In one embodiment, when processor executes computer program, the data according to full dose from server realized
Amount of storage, increment are screened from multiple primary servers from the data storage capacity of server and the active volume of each primary server
The step of at least one primary server out, includes the following steps：According to full dose from the data storage capacity of server and increment from clothes
The data storage capacity of business device is calculated, and amount of storage rate of rise corresponding with Database Identification is obtained；According to each main service
The active volume and amount of storage rate of rise of device are fitted, and obtain the available duration of the active volume of each primary server；Root
According to the active volume available duration of each primary server, at least one primary server is filtered out from multiple primary servers.
In one embodiment, when processor executes computer program, realized according to the available of each primary server
Capacity available duration, includes the following steps the step of at least one primary server is filtered out from multiple primary servers：According to every
The active volume available duration of a primary server, is ranked up multiple primary servers；After sorting in multiple primary servers
In the primary server of preceding predetermined number, as the primary server filtered out.
In one embodiment, when processor executes computer program, the lookup realized is corresponding with Database Identification
The step of full dose is from server, increment from server and multiple primary servers, includes the following steps：Determining and Database Identification pair
The database instance mark answered；Obtain object instance table corresponding with database instance mark；It searches in object instance table and includes
Full dose identified from server identification, increment from server identification and multiple primary servers；Respectively according to full dose from server mark
Know and determines that corresponding full dose determines corresponding increment from server, and according to every from server identification from server, according to increment
A primary server mark determines corresponding primary server.
In one embodiment, when processor executes computer program, that is realized stores data to be backed up to screening
At least one primary server out, and by data full backup to be backed up to full dose from server and incremental backup is to increment from clothes
The step of business device, include the following steps：Data to be backed up are stored at least one primary server filtered out；It will store to sieve
The data to be backed up at least one primary server selected are compressed, and compressed file packet is obtained；By compressed file packet full dose
Full dose is backed up to from server；By compressed file packet incremental backup to increment from server.
In one embodiment, compressed file packet of the full dose comprising full backup from server, processor execute meter
Following steps are also realized when calculation machine program：Receive the recovery request that terminal uploads；Recovery request carries Database Identification and extensive
Multiple type；In response to recovery request, full dose corresponding with Database Identification is searched from server and multiple primary servers；Work as recovery
When type is the first kind, then full dose is sent in multiple primary servers from compressed file packet to be restored in server, it is right
Compressed file packet in multiple primary servers is parsed；When restoring type is Second Type, then full dose is become from server
More primary server, and the compressed file to be restored from server to full dose parses.
In one embodiment, recovery request also carries timestamp and is realized when processor executes computer program
Full dose is sent in multiple primary servers from compressed file packet to be restored in server, to the compression in multiple primary servers
The step of file packet is parsed, includes the following steps：Determine time interval corresponding with timestamp；Full dose is obtained from server
In multiple compressed file packets to be restored；The corresponding BACKUP TIME of compressed file packet to be restored is in time interval；It will be more
A compressed file packet to be restored is sent at least one primary server；Main service to compressed file to be restored is received
Compressed file in device is parsed.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：Obtain backup request；Backup request carries Database Identification and to standby
Part Data Identification；Corresponding data to be backed up are obtained based on Data Identification to be backed up；Search full dose corresponding with Database Identification
From server, increment from server and multiple primary servers；According to full dose from the data storage capacity of server, increment from server
Data storage capacity and each primary server active volume, at least one primary server is filtered out from multiple primary servers；
Data to be backed up are stored at least one primary server filtered out, and by data full backup to be backed up to full dose from service
Device and incremental backup are to increment from server.
In one embodiment, when computer program is executed by processor, the number according to full dose from server realized
According to amount of storage, increment from the data storage capacity of server and the active volume of each primary server, sieved from multiple primary servers
The step of selecting at least one primary server, includes the following steps：According to full dose from the data storage capacity of server and increment from
The data storage capacity of server is calculated, and amount of storage rate of rise corresponding with Database Identification is obtained；According to each main clothes
The active volume of device of being engaged in and amount of storage rate of rise are fitted, and obtain the available duration of the active volume of each primary server；
According to the active volume available duration of each primary server, at least one primary server is filtered out from multiple primary servers.
In one embodiment, when computer program is executed by processor, realized according to each primary server can
With capacity available duration, the step of at least one primary server is filtered out from multiple primary servers, include the following steps：According to
The active volume available duration of each primary server, is ranked up multiple primary servers；After sorting in multiple primary servers
Primary server in preceding predetermined number, as the primary server filtered out.
In one embodiment, when computer program is executed by processor, the lookup realized is corresponding with Database Identification
Full dose from server, increment from server and multiple primary servers the step of, include the following steps：Determining and Database Identification
Corresponding database instance mark；Obtain object instance table corresponding with database instance mark；Include in object instance table
Full dose is identified from server identification, increment from server identification and multiple primary servers；Respectively according to full dose from server identification
Determine that corresponding full dose determines corresponding increment from server, and according to each from server identification from server, according to increment
Primary server mark determines corresponding primary server.
In one embodiment, when computer program is executed by processor, that is realized stores data to be backed up to sieve
At least one primary server selected, and by data full backup to be backed up to full dose from server and incremental backup to increment from
The step of server, includes the following steps：Data to be backed up are stored at least one primary server filtered out；To store to
The data to be backed up at least one primary server filtered out are compressed, and compressed file packet is obtained；By compressed file Bao Quan
Amount backs up to full dose from server；By compressed file packet incremental backup to increment from server.
In one embodiment, compressed file packet of the full dose comprising full backup from server, computer program quilt
Processor also realizes following steps when executing：Receive the recovery request that terminal uploads；Recovery request carry Database Identification and
Restore type；In response to recovery request, full dose corresponding with Database Identification is searched from server and multiple primary servers；When extensive
When multiple type is the first kind, then full dose is sent in multiple primary servers from compressed file packet to be restored in server,
Compressed file packet in multiple primary servers is parsed；When restoring type is Second Type, then by full dose from server
It is changed to primary server, and the compressed file to be restored from server to full dose parses.
In one embodiment, recovery request also carries timestamp, when computer program is executed by processor, is realized
Full dose is sent in multiple primary servers from compressed file packet to be restored in server, to the pressure in multiple primary servers
The step of contracting file packet is parsed, includes the following steps：Determine time interval corresponding with timestamp；Full dose is obtained from service
Multiple compressed file packets to be restored in device；The corresponding BACKUP TIME of compressed file packet to be restored is in time interval；It will
Multiple compressed file packets to be restored are sent at least one primary server；To the main clothes for receiving compressed file to be restored
Compressed file in business device is parsed.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of data back up method, the method includes：
Obtain backup request；The backup request carries Database Identification and Data Identification to be backed up；
Corresponding data to be backed up are obtained based on the Data Identification to be backed up；
Corresponding with Database Identification full dose is searched from server, increment from server and multiple primary servers；
Data storage capacity and each master according to the full dose from the data storage capacity, the increment of server from server
The active volume of server filters out at least one primary server from the multiple primary server；
The data to be backed up are stored at least one primary server filtered out, and by the data full backup to be backed up
To the full dose from server and incremental backup is to the increment from server.
2. the method according to claim 1, wherein described store according to the full dose from the data of server
Amount, the increment are from the data storage capacity of server and the active volume of each primary server, from the multiple main service
At least one primary server is filtered out in device, including：
It is calculated, is obtained from the data storage capacity of server and the increment from the data storage capacity of server according to the full dose
To amount of storage rate of rise corresponding with the Database Identification；
It is fitted according to the active volume of each primary server and the amount of storage rate of rise, obtains each master
The available duration of the active volume of server；
According to the active volume available duration of each primary server, at least one is filtered out from the multiple primary server
Primary server.
3. according to the method described in claim 2, it is characterized in that, the active volume according to each primary server can
With duration, at least one primary server is filtered out from the multiple primary server, including：
According to the active volume available duration of each primary server, the multiple primary server is ranked up；
The primary server of preceding predetermined number is in after sorting in the multiple primary server, as the primary server filtered out.
4. the method according to claim 1, wherein it is described search corresponding with Database Identification full dose from
Server, increment from server and multiple primary servers, including：
Determine database instance mark corresponding with the Database Identification；
Obtain object instance table corresponding with database instance mark；
The full dose that includes in the object instance table is searched from server identification, increment from server identification and multiple primary servers
Mark；
Determine that corresponding full dose determines phase from server identification from server, according to increment from server identification according to full dose respectively
The increment answered determines corresponding primary server from server, and according to each primary server mark.
5. according to claim 1 to method described in 4, which is characterized in that described to store the data to be backed up to filtering out
At least one primary server, and by the data full backup to be backed up to the full dose from server and incremental backup is to institute
Increment is stated from server, including：
The data to be backed up are stored at least one primary server filtered out；
The data to be backed up stored into described at least one primary server filtered out are compressed, compressed file is obtained
Packet；
By the compressed file packet full backup to the full dose from server；
By the compressed file packet incremental backup to the increment from server.
6. according to the method described in claim 5, it is characterized in that, pressure of the full dose comprising full backup from server
Contracting file packet, the method also includes：
Receive the recovery request that terminal uploads；The recovery request carries Database Identification and restores type；
In response to the recovery request, full dose corresponding with the Database Identification is searched from server and multiple primary servers；
When the recovery type is the first kind, then the compressed file packet that the full dose is to be restored from server is sent to
In the multiple primary server, the compressed file packet in the multiple primary server is parsed；
When the recovery type is Second Type, then the full dose is changed to primary server from server, and to described complete
Compressed file to be restored from server is measured to be parsed.
7. described by institute according to the method described in claim 6, it is characterized in that, the recovery request also carries timestamp
It states full dose to be sent in the multiple primary server from compressed file packet to be restored in server, to the multiple primary server
In compressed file packet parsed, including：
Determine time interval corresponding with the timestamp；
Obtain the full dose multiple compressed file packets to be restored from server；The compressed file packet to be restored is corresponding
BACKUP TIME is in the time interval；
The multiple compressed file packet to be restored is sent at least one described primary server；
Compressed file in the primary server for receiving the compressed file to be restored is parsed.
8. a kind of data backup device, which is characterized in that described device includes：
Module is obtained, for obtaining backup request；The backup request carries Database Identification and Data Identification to be backed up；Base
Corresponding data to be backed up are obtained in the Data Identification to be backed up；
Searching module, for searching corresponding with Database Identification full dose from server, increment from server and multiple masters
Server；
Screening module, for being stored according to the full dose from the data storage capacity of server, the increment from the data of server
The active volume of amount and each primary server, filters out at least one primary server from the multiple primary server；
Backup module, for storing the data to be backed up at least one primary server filtered out, and will be described to standby
Part data full backup is to the full dose from server and incremental backup is to the increment from server.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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