CN107241430A - A kind of enterprise-level disaster tolerance system and disaster tolerant control method based on distributed storage - Google Patents
A kind of enterprise-level disaster tolerance system and disaster tolerant control method based on distributed storage Download PDFInfo
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- CN107241430A CN107241430A CN201710533133.9A CN201710533133A CN107241430A CN 107241430 A CN107241430 A CN 107241430A CN 201710533133 A CN201710533133 A CN 201710533133A CN 107241430 A CN107241430 A CN 107241430A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention discloses a kind of enterprise-level disaster tolerance system based on distributed storage both disaster tolerant control method, the system includes：Primary data center and with the strange land data center with primary data center identical data；Database asynchronous replication module, is consistent for the database data by asynchronous replication mode Shi Liangge data centers；Distributed storage mirror module, the asynchronous replication for realizing distributed storage data in Liang Ge data centers by mirror image mechanism ensures the uniformity of asynchronous data by log mechanism；Disaster monitoring modular, for monitoring the information of primary data center and sending disaster information to disaster recovery module after disaster generation；Disaster recovery module, for receiving disaster information and carrying out data recovery to primary data center in Internet using strange land data center.The enterprise-level disaster tolerance system and disaster tolerant control method based on distributed storage, it is possible to increase the security of system data and be able to maintain that system is effectively run.
Description
Technical field
The present invention relates to system disaster tolerance correlative technology field, a kind of enterprise-level disaster tolerance based on distributed storage is particularly related to
System and disaster tolerant control method.
Background technology
Distributed memory system is widely used in IPTV, video monitoring, search etc. and needs to use magnanimity to deposit
The field of storage.Increase for business data storage and virtualization applications demand magnanimity under cloud computing and big data trend, based on industry
Boundary mark is accurate, using full distributed framework there is provided high-performance, highly reliable, high extension, disaster tolerance distributed memory system, Neng Gouyou
Effect solves the IT business demand under complex environment.
Distributed memory system is generally made up of rack, and multiple machine frames are placed with each rack, conduct is each placed with
The storage server of memory node.In the prior art, to ensure the security of data storage, it will usually deposited using certain data
Storage strategy makes a backup store to same data in distributed memory system but is that these measures are difficult to when disaster tolerance occurs for system
Ensure the security of data.In particular in enterprise-level disaster tolerance system, it usually needs up to ten million investments, and it is only capable of protection
A small amount of core data.And cloud data center environment common at present is no longer applicable enterprise-level disaster tolerance system, it is difficult to ensure enterprise's number
According to safety.
During the application is realized, inventor has found at least there is problems with the prior art：Current disaster tolerance
System especially enterprise-level disaster tolerance system is difficult to effectively realize security and guarantee of the system data in disaster generating process
The validity of system service.
The content of the invention
In view of this, it is an object of the invention to propose a kind of enterprise-level disaster tolerance system based on distributed storage and disaster tolerance
Control method, it is possible to increase the security of system data and be able to maintain that system is effectively run.
A kind of enterprise-level disaster tolerance system based on distributed storage provided based on the above-mentioned purpose present invention, including：
Primary data center, storage and inquiry service for realizing data under normal circumstances；
Strange land data center, for as the corresponding Remote Switched Port Analyzer of primary data center, having in the strange land data center
With the identical data of primary data center；
Database asynchronous replication module, for causing primary data center and strange land data center by way of asynchronous replication
Both database datas are consistent；
Distributed storage mirror module, for realizing primary data center with being distributed in the data center of strange land by mirror image mechanism
The asynchronous replication of formula data storage, passes through the uniformity of data during log mechanism guarantee asynchronous replication；
Disaster monitoring modular, the relevant information for monitoring primary data center, and to disaster recovery after disaster generation
Module sends disaster information；
Disaster recovery module, the disaster information for receiving the transmission of disaster monitoring modular, using strange land data center in net
Network layers carry out data recovery to primary data center.
Optionally, carried out data transmission between the primary data center and strange land data center using dedicated data line.
Optionally, the disaster monitoring modular is additionally operable to according to default rule and related letter of the algorithm to primary data center
Breath is handled, and user or keeper is given a warning or prompt message before disaster generation.
Optionally, the disaster monitoring modular is additionally operable to after disaster occurs, detect and judge the phase in primary data center
Close whether information can use, if unavailable ability sends disaster information to disaster recovery module；
The disaster recovery module is additionally operable to send disaster recovery condition information to disaster monitoring modular；
The disaster monitoring modular is additionally operable to the disaster recovery condition information sent according to disaster recovery module, by correlation-like
State feeds back to user or attendant.
Optionally, the system also include network handover module, for after disaster occurs by the access of application and service
Address is switched to strange land data center.
Present invention also provides a kind of enterprise-level disaster tolerant control method based on distributed storage, including：
Monitor related data and information in primary data center and judge whether primary data center data are abnormal；
If monitoring data exception, disaster recovery module is called to be at activating upstate；
Verify the uniformity of strange land data center and primary data center distributed storage data, and strange land data center with
The uniformity of primary data center database；
Network switching is carried out, the reference address of application and service is switched to strange land data center；
Data recovery is carried out to primary data center using disaster recovery module, rear return information is successfully recovered to user or dimension
Shield personnel；
According to user instruction or feedback information is successfully recovered, the network address is again switched into primary data center.
Optionally, it is described to judge whether abnormal step also includes primary data center data：
According to preset strategy or algorithm, judge whether data are abnormal；
If data exception, further determine whether to cause data or service unavailable, if so, then calling disaster recovery mould
Block；Otherwise, abnormal information is fed back into user or attendant.
Optionally, it is described also to include the step of call disaster recovery module：
Disaster recovery module is persistently called according to preset times, until calling success, otherwise, malloc failure malloc information is fed back.
Optionally, verification uniformity or carry out network switching during, if find do not meet uniformity or
Network switching fails, then returns to corresponding failure information to user or attendant.
From the above it can be seen that enterprise-level disaster tolerance system based on distributed storage that the present invention is provided and disaster tolerance control
Method processed is by setting the remote mirroring data center of a primary data center, i.e. strange land data center so that even if local number
Occurs disaster according to center, strange land data also ensure that safe enough.Deposited by database asynchronous replication module and distribution
Storage mirror module causes database data and distributed storage data in Liang Ge data centers to keep real-time update, namely
Being consistent property of data.Whether occur disaster by disaster monitoring module monitors primary data center and lead in time after disaster generation
Know disaster recovery module so that disaster recovery module can enter line number based on the data in the data center of strange land to primary data center
According to recovery.So so that whole system has higher redundancy ability, can ensure the safety and integrality of data.In addition, institute
State system also by after disaster occurs and before data recovery by the access of the corresponding application and service of primary data center
Location is switched to strange land data center so that system can at once based on strange land data center realize system normal use access and
Related Data Services.Therefore, herein described enterprise-level disaster tolerance system and disaster tolerant control method based on distributed storage can
Improve the security of system data and be able to maintain that system is effectively run.
Brief description of the drawings
The structural representation of the one embodiment for the enterprise-level disaster tolerance system based on distributed storage that Fig. 1 provides for the present invention
Figure；
The structure of another embodiment of the enterprise-level disaster tolerance system based on distributed storage that Fig. 2 provides for the present invention is shown
It is intended to；
The design principle of the one embodiment for the enterprise-level disaster tolerance system based on distributed storage that Fig. 3 provides for the present invention
Schematic diagram；
The distributed storage distributed mirror image replicating principle schematic diagram that Fig. 4 provides for the present invention；
Fig. 5 accesses principle schematic for the normal data that the present invention is provided；
Data access principle schematic during the disaster recovery that Fig. 6 provides for the present invention；
The flow of the one embodiment for the enterprise-level disaster tolerant control method based on distributed storage that Fig. 7 provides for the present invention
Figure；
The distributed storage data trnascription read-write theory design diagram that Fig. 8 provides for the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The entity of individual same names non-equal or the parameter of non-equal, it is seen that " first " " second " should not only for the convenience of statement
The restriction to the embodiment of the present invention is interpreted as, subsequent embodiment no longer illustrates one by one to this.
The problem of being existed based on current enterprise level disaster tolerance system, enterprise-level disaster tolerance technology of the application based on distributed storage
Devise a kind of brand-new thinking.In data storage, the data to distributed memory system carry out Remote Switched Port Analyzer, to ensure number
According to real-time.Simultaneously in operation layer, ensure the real-time synchronization of business datum by duplicating remote data.When generation data center
When abnormal, the situation according to business datum that disaster monitoring system can be automated is quick by the operation system of primary data center
Switching is completed in disaster-tolerant backup data center's pull-up, and in Internet.
Specifically, herein described enterprise-level disaster tolerance system is generally divided into primary data center and strange land data center, i.e., it is standby
Calamity data center or remote mirroring data center.Carried out data transmission between Liang Ge data centers by special line.The application bottom
Layer distributed storage ensures the consistent of distributed storage data between Liang Ge data centers by mirror image (Mirroring) mechanism
Property；Database ensures the uniformity of database data between Liang Ge data centers by asynchronous system.Mould is monitored by disaster
Block carrys out all situations at monitoring data center, it is ensured that when occurring disaster, the very first time lets the user know that, and notifies disaster extensive
Multiple module, carries out disaster recovery, in the case of user's unaware, is switched in Internet；It ensure that the continuity of business.
It is shown referring to Figures 1 and 2, two of the enterprise-level disaster tolerance system based on distributed storage provided for the present invention
The structural representation of embodiment.The enterprise-level disaster tolerance system based on distributed storage includes：
Primary data center 1, storage and inquiry service for realizing data under normal circumstances；That is, primary data center
It is the important component in local system for local data service center, when not having disaster, all data are deposited
Storage, service are realized in primary data center 1.
Strange land data center 2, for as the corresponding Remote Switched Port Analyzer of primary data center 1, having in the strange land data center 2
Have and the identical data of primary data center 1；Liang Ge data centers will not be had influence on when occurring for disaster simultaneously, generally will
Strange land data center 2 is arranged on strange land, it is ensured that Liang Ge data centers have certain independence.
Database asynchronous replication module 3, for being caused by way of asynchronous replication in primary data center 1 and strange land data
Both database datas of the heart 2 are consistent；Wherein, asynchronous replication uses cluster copy mode, based on binary log (bin
Log) and it is globally unique numbering (GTID, Global Transaction ID), only successful transaction can just write
Bin log, and the duplication of Slave nodes does not interfere with the issued transaction of Master nodes；Tieed up between Master and Slave nodes
Shield heart hop-information, when Master nodes have renewal, can to Slave nodes send notify, provide newest bin log and
GTID, Slave node processes are updated according to latest news to local data base.
Distributed storage mirror module 4, for realizing primary data center and in the data center of strange land points by mirror image mechanism
The asynchronous replication of cloth data storage, passes through the uniformity of data during log mechanism guarantee asynchronous replication；Shown in reference picture 4, it is
The distributed storage distributed mirror image replicating principle schematic diagram that the present invention is provided.Mirror image (Mirroring) mechanism can make RBD
Images by asynchronous replication, is come between two clusters (Cluster) using RBD Image daily record (Journaling) mechanism
Ensure data consistency during asynchronous replication.
Disaster monitoring modular 5, the relevant information for monitoring primary data center, and to disaster recovery after disaster generation
Module sends disaster information；Wherein, disaster monitoring modular 5 could be arranged to disaster monitor client, can monitor in master data
Application message, database information, distributed storage information, the network information, physical context information, operation system information of the heart 1 etc.,
According to the regular and corresponding algorithm pre-set, alerted or pointed out before disaster generation, after disaster confirms,
If primary data center is unavailable, disaster information is sent to disaster recovery module 6.And receive the return of disaster recovery module 6
Message and related news are returned into user or attendant.
Disaster recovery module 6, the disaster information for receiving the transmission of disaster monitoring modular 5, is existed using strange land data center 2
Internet carries out data recovery to primary data center 1.Wherein, the disaster recovery module 6 could be arranged to when occurring disaster,
Disaster monitor client will send disaster recovery instruction, and monitoring data, and disaster recovery client is according to monitoring data and calamity
Difficult recovery policy is recovered, including switching distributed storage, switch data storehouse, switching application layer, and these recoveries are all in net
Network layers are completed.
Shown in reference picture 3, one embodiment of the enterprise-level disaster tolerance system based on distributed storage provided for the present invention
Design principle schematic diagram.As seen from the figure, the data in Liang Ge data centers are realized by asynchronous replication and mirror image mechanism
The uniformity of two aspects of database and distributed data.Wherein, OSD (Object-based Storage Device) is base
In the object storage device of object storage technology.
From above-described embodiment, the herein described enterprise-level disaster tolerance system based on distributed storage is by setting one
The remote mirroring data center of primary data center, i.e. strange land data center so that even if disaster, strange land occur for local data center
Data also ensure that safe enough.Two numbers are caused by database asynchronous replication module and distributed storage mirror module
Real-time update, namely being consistent property of data are kept according to the database data in center and distributed storage data.Pass through
Whether disaster monitoring module monitors primary data center occurs disaster and notifies disaster recovery module in time after disaster generation so that
Disaster recovery module can carry out data recovery based on the data in the data center of strange land to primary data center.So so that whole
Individual system has higher redundancy ability, can ensure the safety and integrality of data.In addition, the system is also by disaster
Reference address after generation and before data recovery by the corresponding application and service of primary data center is switched in the data of strange land
The heart so that the normal use that system can realize system based on strange land data center at once is accessed and related Data Services.Therefore,
The herein described enterprise-level disaster tolerance system based on distributed storage can improve the security of system data and be able to maintain that
System is effectively run.
In the application some optional embodiments, using special between the primary data center 1 and strange land data center 2
Data wire carries out data transmission.In such manner, it is possible to ensure the stability and security of data transfer.
In the application some optional embodiments, the disaster monitoring modular is additionally operable to according to default rule and algorithm
Relevant information to primary data center is handled, and user or keeper is given a warning or pointed out letter before disaster generation
Breath.That is, the prediction of some disaster relevant informations or signal, the disaster that sensed in advance may occur, so as to point out can be passed through
User or attendant prepare in advance.
In the application some optional embodiments, the disaster monitoring modular 5 is additionally operable to after disaster occurs, and detection is simultaneously
Judge whether the relevant information in primary data center 1 can use, if unavailable ability sends disaster information to disaster recovery module；
That is, after having the generation of some disasters not the data that have influence in primary data center or related service in use, can be with
Disaster recovery is not needed.
The disaster recovery module is additionally operable to send disaster recovery condition information to disaster monitoring modular；
The disaster monitoring modular is additionally operable to the disaster recovery condition information sent according to disaster recovery module, by correlation-like
State feeds back to user or attendant.So, user or attendant can be caused to know data recovery situation, be conducive to
Follow-up associative operation.
In the application some optional embodiments, system also includes network handover module, for will after disaster occurs
The reference address of application and service is switched to strange land data center.So so that during disaster recovery, user can also
Carry out normal data access service.
Shown in reference picture 5, principle schematic is accessed for the normal data that the present invention is provided.Before not occurring disaster, application
Kimonos normal access path of doing honest work is as follows：User is applied or serviced by network access, and this application or service are in master data
Center portion is affixed one's name to.Then application accesses database, obtains all data that user needs to access, and this database is deployed in master data
The heart.Using distributed storage data are accessed, such as block storage, object are stored, and secondary distributed storage is also to be deployed in primary data center.
The service of all primary data centers is all good for use.
Shown in reference picture 6, data access principle schematic during the disaster recovery provided for the present invention.Occur in disaster
Afterwards, the normal access path of application and service has been switched to strange land data center, and access path is as follows：User passes through network access
Using or service, this application or service in strange land data center deployment.Then application accesses database, and obtaining user needs
All data accessed, this database is deployed in strange land data center.This application access distributed storage data, such as block storage,
Object is stored, and secondary distributed storage is also to be deployed in strange land data center.In the data and master data of all strange land data centers
The data of the heart are consistent.
Shown in reference picture 7, a reality of the enterprise-level disaster tolerant control method based on distributed storage provided for the present invention
Apply the flow chart of example.The enterprise-level disaster tolerant control method based on distributed storage includes：
Monitor related data and information in primary data center and judge whether primary data center data are abnormal；
If monitoring data exception, disaster recovery module is called to be at activating upstate；
Verify the uniformity of strange land data center and primary data center distributed storage data, and strange land data center with
The uniformity of primary data center database；
Network switching is carried out, the reference address of application and service is switched to strange land data center；
Data recovery is carried out to primary data center using disaster recovery module, rear return information is successfully recovered to user or dimension
Shield personnel；
According to user instruction or feedback information is successfully recovered, the network address is again switched into primary data center.
Optionally, it is described to judge whether abnormal step also includes primary data center data：
According to preset strategy or algorithm, judge whether data are abnormal；
If data exception, further determine whether to cause data or service unavailable, if so, then calling disaster recovery mould
Block；Otherwise, abnormal information is fed back into user or attendant.
Optionally, it is described also to include the step of call disaster recovery module：Disaster recovery is persistently called according to preset times
Module, until calling success, otherwise, feeds back malloc failure malloc information.
Optionally, verification uniformity or carry out network switching during, if find do not meet uniformity or
Network switching fails, then returns to corresponding failure information to user or attendant.
In the application other optional embodiments, the disaster control method or handling process are as follows：
(1) user or attendant call monitor client, in real time monitoring primary data center service.
(2) monitor client is monitored in real time to primary data center, and monitoring content includes network, storage, using, physics
The information such as environment.
(3) according to corresponding strategy or algorithm, whether Monitoring Data occurs exception, if no exceptions, continues
Monitoring, if exception occurs for data, causes environment or services unavailable, then trigger next step flow, call disaster recovery mould
Block.
(4) if calling disaster recovery module to fail, progress re-calls disaster recovery module, if calling success,
Then enter next step flow.
(5) call after the success of disaster recovery module, disaster recovery module prepare before disaster recovery.
(6) strange land distributed storage uniformity is verified, if verification failure, failure information is returned to client or use
Family, if verified successfully, into next step.
(7) calibration database uniformity, if verification failure, returns to failure information to client or user, if
Verify successfully, then into next step.
(8) network switching, when distributed storage and the success of database consistency desired result, then carries out network layer handoff, including
Reference address, database address, the distributed storage addresses of application.If handoff failure, failure information is returned to client
Or user, if switched successfully, user accesses has been transferred into strange land data center using unaware.
(9) after disaster recovery success, monitor client or user are return success.
Primary data center is switched back to finally according to user's control or automatically by strange land data center.
Pass through above-mentioned control or flow so that primary data center can not only be restored in time after disaster occurs, and
And during restoration can also the normal access based on strange land data center digital display data.
From above-described embodiment, the application at least includes herein below：(1) the enterprise-level storage of distributed storage is more secondary
Proprietary design (3) distributed storage of the enterprise-level disaster tolerance technology data duplication network of present mechanism design (2) distributed storage
Enterprise-level disaster tolerance technology data duplication interrupt after resume design (4) distributed storage the daily record of enterprise-level disaster tolerance technology spy
Property, to act on the enterprise-level disaster tolerance technology daily record characteristic of each affairs log enable (5) distributed storage in storage volume
Storage volume, passes through the storage replication group process replication storage volume.
In the application some optional embodiments, distributed storage distributed mirror image process is as follows：(1) IO is stored into block
Storage volume daily record；(2) service of storage replication group is synchronized, and storage volume log information in local distributed storage is synchronous
Into the storage volume of long-range (strange land) distributed storage cluster.(3) storage replication group service support breakpoint transmission, support are multigroup multiple
System, it is ensured that the integrality and high efficiency of data.
In the application some optional embodiments, shown in reference picture 8, the distributed storage data pair provided for the present invention
This read-write theory design diagram.Many copy mechanism are stored by the enterprise-level of distributed storage, exploitation is completed can for guarantee
The data stored to it by property free of errors hold capacity, obtains high reliability to data storage, will be used by multi-duplicate technology
The data at family deposit many parts in memory bank.In this case, as long as being not all of losing in data, the data of user would not
Lose.
Calculated at user interface end after three data disks, directly communicated with master data disk, initiate write operation.Master data
Disk is received after request, initiates write operation to from data disks respectively.After each write operation is completed from data disks, will respectively to
Master data disk sends confirmation.After master data disk, which receives other two write-ins from data disks, to be confirmed, and oneself also complete
Data write, then confirm that data write operation is completed to user interface.
In addition herein described system also includes：
Storage replication group：The Pools selections of the storage replication group of correspondence High Availabitity group website are set, storage replication group is set
Replicate direction, the parameter for setting related storage replication group to replicate, for example：Replicate block size, breakpoint transmission, network bandwidth ginseng
Number setting etc..Many storage replication groups can be set.
Remote cluster management：Each of storage replication group function needs in companion's cluster (Peer Clusters) is right
Configured on the pool answered, all storage volume in automatic disaster tolerance some storage pool can be set and also support to specify that disaster tolerance is single to be deposited
Store up a particular subset of volume.
The strong consistency of storage replication group：Using uniformity hash algorithm or data syn-chronization algorithm, it is ensured that two ends cluster
The uniformity of data, it is ensured that availability of data and security.Wherein, uniformity hash algorithm is to each node distribution one in system
Individual random token, these token constitute a Hash ring.When performing data deposit operation, Key cryptographic Hash is first calculated, then
It is stored in the node that clockwise direction first is more than or equal to where the token of the cryptographic Hash.
Storage replication group is monitored：State, flow, progress, the information of time in the process of storage replication are supervised
Control ensures the reliability of data.
Breakpoint transmission：During the entire process of breakpoint transmission is realized, it is ensured that the safety of whole distributed storage disaster recovery and backup systems
It is stable, while ensureing the uniformity and integrality of data.Wait after network recovery.The biography of original vol data need not be restarted
It is defeated, but from the suspension moment, continue to transmit remaining data, overall process no data overflows, and no data is lost.
The status information creation data of storage system of the primary storage server in station in production website and disaster tolerance website
The information assurance of safe distribution, information is mutually synchronized.
When main website point failure, home site storage server corresponds to the N subregions in former data safety distributed intelligence respectively
It is updated from storage dish Synchronization Status Message, generates new data distributed intelligence on schedule.
When from station failure, the N subregions in former data safety distributed intelligence are corresponded to master by slave site storage server respectively
Website storage dish Synchronization Status Message is updated, recording synchronism information, after after slave site recovery, according to last synchronizing information,
Continue more home site and carry out data syn-chronization.
Duplicate network optimizes, and bandwidth is optimized, the multicast between support site, reduces unnecessary duplication, and optimization data are passed
It is defeated, efficiency of transmission is improved, Optimized Replication network strategy can be changed flexibly there is provided a variety of replication strategies to different requirements, improved
Network utilization, reduces propagation delay time.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example
Or can also not be combined between the technical characteristic in be the same as Example, step can be realized with random order, and be existed such as
Many other changes of upper described different aspect of the invention, for simplicity, they are provided not in details.
In addition, to simplify explanation and discussing, and in order to obscure the invention, can in the accompanying drawing provided
To show or can not show that the known power ground with integrated circuit (IC) chip and other parts is connected.Furthermore, it is possible to
Device is shown in block diagram form, to avoid obscuring the invention, and this have also contemplated that following facts, i.e., on this
The details of the embodiment of a little block diagram arrangements be depend highly on the platform that will implement the present invention (that is, these details should
It is completely in the range of the understanding of those skilled in the art).Elaborating detail (for example, circuit) with describe the present invention
In the case of exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details
In the case of or implement the present invention in the case that these details are changed.Therefore, these descriptions are considered as explanation
It is property rather than restricted.
Although having been incorporated with specific embodiment of the invention, invention has been described, according to retouching above
State, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.Example
Such as, other memory architectures (for example, dynamic ram (DRAM)) can use discussed embodiment.
Embodiments of the invention be intended to fall within the broad range of appended claims it is all it is such replace,
Modifications and variations.Therefore, within the spirit and principles of the invention, any omission, modification, equivalent substitution, the improvement made
Deng should be included in the scope of the protection.
Claims (9)
1. a kind of enterprise-level disaster tolerance system based on distributed storage, it is characterised in that including：
Primary data center, storage and inquiry service for realizing data under normal circumstances；
Strange land data center, for as the corresponding Remote Switched Port Analyzer of primary data center, having and master in the strange land data center
The identical data of data center；
Database asynchronous replication module, for causing both primary data center and strange land data center by way of asynchronous replication
Database data be consistent；
Distributed storage mirror module, for realizing that primary data center is deposited with distribution in the data center of strange land by mirror image mechanism
The asynchronous replication of data is stored up, passes through the uniformity of data during log mechanism guarantee asynchronous replication；
Disaster monitoring modular, the relevant information for monitoring primary data center, and to disaster recovery module after disaster generation
Send disaster information；
Disaster recovery module, the disaster information for receiving the transmission of disaster monitoring modular, using strange land data center in Internet
Data recovery is carried out to primary data center.
2. system according to claim 1, it is characterised in that used between the primary data center and strange land data center
Dedicated data line carries out data transmission.
3. system according to claim 1, it is characterised in that the disaster monitoring modular is additionally operable to according to default rule
The relevant information of primary data center is handled with algorithm, user or keeper are given a warning or carried before disaster generation
Show information.
4. system according to claim 1, it is characterised in that the disaster monitoring modular is additionally operable to after disaster occurs,
Detect and judge whether the relevant information in primary data center can use, believe if unavailable ability sends disaster to disaster recovery module
Breath；
The disaster recovery module is additionally operable to send disaster recovery condition information to disaster monitoring modular；
The disaster monitoring modular is additionally operable to the disaster recovery condition information sent according to disaster recovery module, and correlation behavior is anti-
Feed user or attendant.
5. system according to claim 1, it is characterised in that also including network handover module, for after disaster occurs
The reference address of application and service is switched to strange land data center.
6. a kind of enterprise-level disaster tolerant control method based on distributed storage, it is characterised in that including：
Monitor related data and information in primary data center and judge whether primary data center data are abnormal；
If monitoring data exception, disaster recovery module is called to be at activating upstate；
Verify strange land data center and the uniformity of primary data center distributed storage data, and strange land data center and main number
According to the uniformity of central database；
Network switching is carried out, the reference address of application and service is switched to strange land data center；
Data recovery is carried out to primary data center using disaster recovery module, rear return information is successfully recovered to user or safeguards people
Member；
According to user instruction or feedback information is successfully recovered, the network address is again switched into primary data center.
7. method according to claim 6, it is characterised in that it is described judge primary data center data whether abnormal step
Also include：
According to preset strategy or algorithm, judge whether data are abnormal；
If data exception, further determine whether to cause data or service unavailable, if so, then calling disaster recovery module；
Otherwise, abnormal information is fed back into user or attendant.
8. method according to claim 6, it is characterised in that described also to include the step of call disaster recovery module：
Disaster recovery module is persistently called according to preset times, until calling success, otherwise, malloc failure malloc information is fed back.
9. method according to claim 6, it is characterised in that in verification uniformity or the process of progress network switching
In, if finding not meeting uniformity or network switching failure, then corresponding failure information is returned to user or people is safeguarded
Member.
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