CN101163036B - Method of implementing two-computer hot backup of network equipment management software - Google Patents
Method of implementing two-computer hot backup of network equipment management software Download PDFInfo
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- CN101163036B CN101163036B CN2006101404987A CN200610140498A CN101163036B CN 101163036 B CN101163036 B CN 101163036B CN 2006101404987 A CN2006101404987 A CN 2006101404987A CN 200610140498 A CN200610140498 A CN 200610140498A CN 101163036 B CN101163036 B CN 101163036B
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Abstract
The invention discloses a method of realizing the dual hot standby of network device management software. The configuration of the prior dual hot standby systems has the defects of complexity and poor universality; a backup network device management software cannot be instantly used and needs to be restarted; if a third-party replication software is used, the cost is high, and moreover, the third-party replication software cannot be supported by many operation systems. To resolve the problems, the invention includes three steps; firstly, the south adaptor of backup network device management software is connected with the north adaptor of a main network device management software; secondly, the backup network device management software obtains the data alteration status of the main network device management software; thirdly, according to the data alteration status of the main network device management software, the backup network device management software alters owned data. The invention realizes the dual hot standby of the network device management software, so the backup network device management software does not need to be restarted and can be instantly used; extra configurations are not needed, thus reducing the cost of maintenance; the invention has no extra requirements on the external environment, and the main and backup systems can be operated regardless of the types of operation systems and databases.
Description
Technical field
The present invention relates to a kind of method of network device management software being implemented two-node cluster hot backup in the communications field.
Background technology
Network device management software (below abbreviate webmaster as) is the control centre and the data center of communication network, in order to improve reliability and maintainability, must carry out two-node cluster hot backup.Like this, no matter run into catastrophic failure or carry out active maintenance, can not lose management communication network.
So-called two-node cluster hot backup just is meant in the middle of system's running; two identical systems of machine loading and data are arranged; and synchronously by the telecommunication cable maintenance; work at present be main computer; another is a guest machine; guest machine constantly detects the main computer state, when guest machine detects main computer and physical abnormalities occurs or receive the order of initiatively switching, just carries out active and standby switching.For the dual-host backup technology, guarantee that operation consistency synchronous in real time and data are vital.
Set up main preparation system at present the multiple technologies scheme is arranged.Unit backup, dual-host backup and offsite active standby backup are arranged from the scale of backup.From the mode of data backup, disk mirroring, disk array are arranged, third party's backup software and DB Backup software.From the degree of readiness of reserve operation system, cold standby, warm spare and Hot Spare are arranged.For webmaster, the backup scenario of availability the best should be two-shipper (perhaps offsite active standby) Hot Spare.
In order to carry out the data sync in the two-node cluster hot backup, can adopt DB Backup software or third party's backup software.Webmaster is all put into database with all significant datas and is preserved, and the backup functionality of using database software itself to provide can guarantee database data unanimity in active and standby two systems.The shortcoming of this scheme maximum is that being equipped with webmaster can not be available immediately, need restart, and finishes the initialization of whole webmaster then according to the data in the database.Use third party's propagation software, with high costs, and also a lot of operating system can not get supporting.In addition, all there are two defectives in these two kinds of schemes: configuration is complicated and versatility is poor.
In the communications field, in order to carry out the two-node cluster hot backup of webmaster, other manufacturer has also proposed the scheme of oneself.Such as mention in the patent (CN01100844.X), by between webmaster and operating system, adding abstract management level, just below the webmaster of oneself, add one and be specifically designed to active and standby software module, thereby make the webmaster of oneself be applicable to various third party's backup softwares.This solution has just increased the easy degree of using third party's backup software.The synchronous of active and standby webmaster carried out in the support that comes by communication equipment in the patent (CN02136992.5).The communication equipment that this scheme is managed webmaster has extra requirement, and versatility is relatively poor.On the one hand, it can't be synchronously with device independent with webmaster relevant data, such as the login name and the password of NMS user; In addition on the one hand, can't be applicable to the network level webmaster, be not equipment but NE-level webmaster because it manages below.
Summary of the invention
Defective and deficiency at the prior art existence, the invention provides a kind of method that realizes two-computer hot backup of network equipment management software, in a kind of unified data description mode of the inner use of webmaster, just data change is notified, realize backup functionality voluntarily, do not rely on any third party's backup software and hardware.
In order to reach the foregoing invention purpose, the present invention realizes the method for two-computer hot backup of network equipment management software, may further comprise the steps:
(1) is equipped with webmaster connects the major network pipe by the south orientation adapter north orientation adapter;
(2) be equipped with webmaster and obtain major network pipe data change situation;
(3) be equipped with the data of webmaster according to the change of circumstance self of major network pipe data change.
In the method for above-mentioned realization two-computer hot backup of network equipment management software, described step (1) further comprises:
(11) be equipped with webmaster connects the major network pipe by the south orientation adapter north orientation adapter;
(12) be equipped with being connected of webmaster real-time listening self and major network pipe, if find self with the disconnection of major network pipe, then reporting system carries out the switching of active and standby webmaster.
In the method for above-mentioned realization two-computer hot backup of network equipment management software, being equipped with the mode that webmaster obtains major network pipe data change situation in the described step (2) is active mode, and described active mode may further comprise the steps:
(2A1) webmaster says the word to the major network pipe and checks major network pipe current data fully;
(2A2) be equipped with webmaster relatively,, then send the data change notice to being equipped with NM server if change with the former data of the major network pipe of major network pipe current data and self record.
In the method for above-mentioned realization two-computer hot backup of network equipment management software, being equipped with the mode that webmaster obtains major network pipe data change situation in the described step (2) is passive mode, and described passive mode may further comprise the steps:
(2B1) be equipped with webmaster and listen to the data change notice that the major network pipe is reported by the north orientation adapter by the south orientation adapter;
(2B2) be equipped with webmaster the data change notice that listens to is sent to NM server fully.
In the method for above-mentioned realization two-computer hot backup of network equipment management software, described step (3) further comprises:
(31) be equipped with NM server according to the described data change notice of receiving, revise the internal storage data that is equipped with webmaster;
(32) be equipped with the network management data storehouse and notify, revise the data that are equipped with in the network management data storehouse according to described data change.
The present invention realizes that the method for two-computer hot backup of network equipment management software has following benefit:
First: this is a kind of Hot Spare of application level, is equipped with webmaster and can replaces major network plumber work immediately, does not need to restart.The internal storage data that this programme had both backed up webmaster is the Backup Data data also, have guaranteed available immediately.Iff using DB Backup software, this is equipped with webmaster and need restarts, and finishes an initialization, can work.
Second: this Hot Spare mechanism is that webmaster self provides fully, only need do shirtsleeve operation on network management interface, once the moulding of cover dual-machine hot backup system, do not need to do any extra configuration.This has also reduced maintenance cost.Some third party's backup softwares are very complicated in configuration, need the professional to be competent at.
The 3rd: whole two-node cluster hot backup process realizes in that webmaster is inner fully, to external environment condition without any extra demand, main preparation system can cross operating system and database operate.A kind of DB Backup software only is suitable for a kind of database.And some third party softwares can only could use on certain operating system.These have all brought extra restriction.
Description of drawings
Fig. 1 is each module diagram of webmaster;
Fig. 2 is the organizational form schematic diagram of data change notice;
Fig. 3 carries out the Hot Spare schematic diagram for being equipped with webmaster to the major network pipe.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
In general, exceptionally foreground and backstage two parts of webmaster.The foreground is the interface just, is responsible for man-machine interaction; The backstage comprises server, database, south orientation adapter and north orientation adapter.Server is responsible for concrete data operation, realizes the miscellaneous service logic; Database is responsible for preserving data; The south orientation adapter is responsible for connecting the lower floor's webmaster or the real network equipment; The north orientation adapter is responsible for being connected with the upper strata webmaster.
Be equipped with webmaster the major network pipe carried out Hot Spare, be divided into following three steps:
The first step: be equipped with webmaster when the major network pipe starts, connect the north orientation adapter of going up the major network pipe by the south orientation adapter.
In general, webmaster all is to use south orientation adapter and the north orientation adapter synchronization means as the levels webmaster.But, will be equipped with the south orientation adapter of webmaster and the north orientation adapter of major network pipe here and couple together, as the synchronization means of active and standby webmaster.From in logic,, the upper strata webmaster of webmaster as the major network pipe will be equipped with exactly a kind of parallel relation is developed into a kind of special upper and lower relation.
From network level, major network pipe and be equipped with connected mode between the webmaster and also have multiplely such as can use Transmission Control Protocol, snmp protocol or use self-defining agreement.What use is the Corba technology herein.In the middle of the process that connects, be equipped with webmaster and want flexible processing major network pipe and be equipped with webmaster to start inconsistent situation, once do not connect and repeatedly attempt.
The Corba technology is used more and more in webmaster, has become the actual standard of webmaster interconnection at present, and it has shielded the difference of CPU, operating system and development language, has saved development cost.
After successful connection, be equipped with webmaster and want real-time listening to connect in addition, disconnect with the major network pipe in case find oneself, report webmaster immediately, unlatching is switched.Here can realize self-defining Ping mechanism, regularly go to inquire about whether available with being connected of the other side.
Second step: after being equipped with webmaster and connecting the success of major network pipe, by initiatively or passive mode, obtain the situation that change takes place current major network pipe data, be configured to the data change notice, notice is equipped with webmaster then.
Mode initiatively generally is meant initiatively to say the word to the major network pipe checks current data, compares with the data that are equipped with webmaster then, looks at whether change, and then this variation is described as the data change notice, transfers to the server process of webmaster fully.According to the mechanism that realizes agreement, such as Timing Processing, webmaster initiatively says the word to the major network pipe fully, obtains data.After obtaining data, obtain data to being equipped with webmaster transmission order again, compare the data on both sides at last, construct the data change notice, report webmaster fully.
Such as, be equipped with webmaster by inquiry major network pipe database, obtain the network element record in the current major network pipe, and then the database of inquiry oneself, obtain network element record wherein, both ratios find that the number of network element of oneself is more individual than major network Guan Duoyi, suppose that the element name that has more is called network element A, this just illustrates and has deleted a network element on the major network pipe so.The south orientation adapter that is equipped with webmaster this moment can be constructed a data change notice that description network element A is deleted, transfers to server process.
Passive mode generally is meant monitors the data change notice that the major network pipe reports by its north orientation adapter, and this data change notice can directly be transferred to the server process of webmaster fully.
Such as the major network pipe has been deleted network element A by interface operation.Server can be constructed one and be described the deleted data change notice of network element A, sends to database module and north orientation adapter.Database module is revised database according to it, and the north orientation adapter can send to all to it and connect the upper strata webmaster of oneself.The south orientation adapter that is equipped with webmaster like this will be received this data change notice, transfers to server process then.
The 3rd step: after webmaster is received the data change notice fully, change internal storage data and the database data of oneself.Should there be the ability of deal with data Notification of Changes webmaster inside, can notify both data in the updating memory, also data in the middle of the new database more according to data change.Thereby assurance is equipped with webmaster and the major network pipe is in full accord on data.
At first, each software module can be filtered the data Notification of Changes in the webmaster fully, and only the data change of processing care itself is notified, and revises the attribute of the own object of being held then according to it, and this process is just revised the data in the internal memory.The consistent of data in EMS memory guaranteed that webmaster can replace the major network pipe immediately and not need to restart fully.Can know to which object in the internal memory operate by the object factory part of analyzing in the data change notice, analyze the description of change part in the data change notice then, the method for calling this object is revised its association attributes and is got final product.
Then, all data change notices can finally be come database module, and with the precedence intact warehouse-in of all data change notices according to arrival, this is equivalent to the data change notice is foundation, notes the data sync daily record earlier for it.And then the warehouse-in instruction (SQL statement) different according to the particular content generation of data change notice, change the data in the database.Can know that by analyzing object factory part in the data change notice this makes amendment to that table of database, analyze the description of change part in the data change notice then, the relevant warehouse-in instruction of structure gets final product.
Claims (4)
1. method that realizes two-computer hot backup of network equipment management software is characterized in that: may further comprise the steps:
(1) is equipped with webmaster connects the major network pipe by the south orientation adapter north orientation adapter;
(2) after webmaster connects the success of major network pipe fully, obtain major network pipe data change situation, be configured to the data change notice, send it to NM server fully by active mode or passive mode;
(3) be equipped with the data of webmaster, comprise step (31) and (32) according to the change of circumstance self of major network pipe data change:
(31) be equipped with NM server according to the described data change notice of receiving, revise the internal storage data that is equipped with webmaster;
(32) be equipped with the network management data storehouse and notify, revise the data that are equipped with in the network management data storehouse according to described data change.
2. the method for realization two-computer hot backup of network equipment management software according to claim 1 is characterized in that: described step (1) further comprises:
(11) be equipped with webmaster connects the major network pipe by the south orientation adapter north orientation adapter;
(12) be equipped with being connected of webmaster real-time listening self and major network pipe, if find self with the disconnection of major network pipe, then reporting system carries out the switching of active and standby webmaster.
3. the method for realization two-computer hot backup of network equipment management software according to claim 1 is characterized in that: described step (2) if in to be equipped with the mode that webmaster obtains major network pipe data change situation be active mode, described active mode may further comprise the steps:
(2A1) webmaster says the word to the major network pipe and checks major network pipe current data fully;
(2A2) be equipped with webmaster relatively,, then send the data change notice to being equipped with NM server if change with the former data of the major network pipe of major network pipe current data and self record.
4. the method for realization two-computer hot backup of network equipment management software according to claim 1 is characterized in that: described step (2) if in to be equipped with the mode that webmaster obtains major network pipe data change situation be passive mode, described passive mode may further comprise the steps:
(2B1) be equipped with webmaster and listen to the data change notice that the major network pipe is reported by the north orientation adapter by the south orientation adapter;
(2B2) be equipped with webmaster the data change notice that listens to is sent to NM server fully.
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| CN2006101404987A CN101163036B (en) | 2006-10-10 | 2006-10-10 | Method of implementing two-computer hot backup of network equipment management software |
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| CN2006101404987A CN101163036B (en) | 2006-10-10 | 2006-10-10 | Method of implementing two-computer hot backup of network equipment management software |
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| CN101163036B true CN101163036B (en) | 2011-08-10 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262325B (en) * | 2008-04-21 | 2011-07-20 | 深圳南瑞科技有限公司 | Switching device for monitoring dual hosts at translation station |
| CN101621535B (en) * | 2009-06-19 | 2012-09-19 | 许继集团有限公司 | Network communication method and device of real-time monitoring system |
| CN101605054A (en) * | 2009-06-30 | 2009-12-16 | 中兴通讯股份有限公司 | The method of quickly recovering network management system and device |
| CN101841428B (en) * | 2010-04-30 | 2012-08-15 | 北京星网锐捷网络技术有限公司 | System hot standby processing method, management board and communication equipment |
| CN102013997B (en) * | 2010-11-22 | 2014-06-11 | 中兴通讯股份有限公司 | Backup method and system for dual-computer data in telecom network management system |
| CN102185720A (en) * | 2011-05-13 | 2011-09-14 | 中兴通讯股份有限公司 | North notification management interface device and management method thereof |
| CN102263663A (en) * | 2011-08-09 | 2011-11-30 | 北京佳讯飞鸿电气股份有限公司 | Double-network management server data maintenance method |
| CN102662793A (en) * | 2012-03-07 | 2012-09-12 | 江苏引跑网络科技有限公司 | Hot backup and recovery method of distributed database with guarantee of data consistency |
| CN107332885A (en) * | 2017-06-19 | 2017-11-07 | 杭州迪普科技股份有限公司 | The method and apparatus that a kind of IPSec VPN realize two-node cluster hot backup |
| CN110535645A (en) * | 2018-05-24 | 2019-12-03 | 上海赢亥信息科技有限公司 | A kind of standby system and method for digital asset management device |
| CN110209512B (en) * | 2019-05-30 | 2020-06-30 | 口碑(上海)信息技术有限公司 | Data checking method and device based on multiple data sources |
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Patent Citations (4)
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| CN1321004A (en) * | 2000-04-25 | 2001-11-07 | 华为技术有限公司 | Method and equipment for swapping active with standby switches |
| CN1482764A (en) * | 2002-09-12 | 2004-03-17 | 深圳市中兴通讯股份有限公司 | Method for synchronisation of master and standby background net management data |
| CN1622483A (en) * | 2003-11-27 | 2005-06-01 | 华为技术有限公司 | A method for implementing software hot-backup of main and reserve machines |
| CN1725658A (en) * | 2004-07-21 | 2006-01-25 | 中兴通讯股份有限公司 | Real-time data base main standby synchronous method |
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