CN104852969A - Highly reliable RAC and HANS system fusion - Google Patents
Highly reliable RAC and HANS system fusion Download PDFInfo
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- CN104852969A CN104852969A CN201510200396.9A CN201510200396A CN104852969A CN 104852969 A CN104852969 A CN 104852969A CN 201510200396 A CN201510200396 A CN 201510200396A CN 104852969 A CN104852969 A CN 104852969A
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- hans
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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
- 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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Hardware Redundancy (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Provided is highly reliable RAC and HANS system fusion. The highly reliable RAC and HANS system fusion is characterized in that a c/s structure is adopted by FIMSs, and the FIMSs and databases AODB at the background are arranged on an SAN formed by two IBM P6 570 small machines and two memories. The beneficial effects of the invention are that in a newly-built airport in Kunming, an HANS and an RAC are fused for applications, and the advantages of the HANS and the RAC of a special-purpose FIMS clustering system are fully integrated, therefore, network loads are reduced, the SAN utilization efficiency is improved, and the whole fault switching efficiency is increased by an order of magnitude. Compared with a simple HANS system of the same Ultra used by other airports, the RAC and HANS system fusion enables the performance and reliability of a system to be greatly improved. Other airports or professional systems need to be restarted and maintained from every week to every month on average. However, an FIMS information system through RAC and HANS fusion for the new airport in Kunming only needs to be maintained and restarted every half year when flight schedule changes are made according to different seasons.
Description
Technical field
The present invention adopts the double-deck highly-reliable system integration program of a kind of database and application system, builds the highly reliable and high performance platform of information system.Particularly merged by the HANS bilayer highly-reliable system of oracle database RAC and FIMS application system, build the highly reliable and high performance platform of Large Aeronautic Hub Flight Information integrated system.
Background technology
Along with computer technology development and apply more and more widely, all trades and professions are more and more higher for the degree of dependence of computer technology.Although computer technology is with the speed of making rapid progress development, the Performance And Reliability of single computer is become better and better, but has the requirement of much reality to be that single computer is unapproachable.Many business carried by computer system all must continual operation in annual 7*24 hour.The very fast growth of this demand, makes system availability become extremely important.The business of many companies and tissue all depends on computer system to a great extent, and computer system occurs that any machine of delaying all can cause serious loss to user.The fault of crucial IT system also may cause the paralysis of whole commercial operation.For user, the machine of delaying of each minute all means income, produce and the loss of profit, the weakening of market position even.
High availability clusters, original English text is High Availability Cluster, is called for short HA Cluster, refers to reduce service disruption (machine of delaying) the cluster of servers technology for the purpose of the time.Cluster system is a kind of parallel or compartment system be made up of the complete machine of one group of interconnection, can be used as unified computational resource and uses.Cluster of servers technology uses multiple servers composition server set, can provide quite high performance and not shut down service.In this structure, every station server all shares a part of calculation task, and due to the performance gathering multiple servers, the calculating strength of cluster system entirety has been increased.Meanwhile, every station server also bears some fault-tolerant tasks, when wherein a station server breaks down, this station server can be isolated away by system under the support of software from system, marry again mechanism by the load between each server and complete new load balancing, give the alarm to system manager simultaneously.Moreover, in during the peak value process of certain application software, the demand of this application can become too high, so uses shirtsleeve operation order just the application bag of same node can be transferred to other nodes thus alleviate the live load of this node, meets the demand increased.Cluster system is exactly the high availability and the reliability that are achieved system by Function Integration Mechanism and fault transition.
The high availability of General Requirements computers cluster reaches more than 99.99%.What actual use was maximum is failover cluster.Failover cluster adopts the server of more than 2 respectively as the active/standby server node (node) of application, when the node running application breaks down, troops and application is automatically switched to operation node for subsequent use on, to ensure " continuity " of application.But in fact, usual main-standby nodes switching time has been good system in 5 minutes, and 30 minutes complete switching is conventional index.
HANS be Ultra many years in Flight Information integrated system (FIMS) development and implementation, the proprietary reliable software platform of formation.The feature of HANS is the two-node cluster hot backup realizing application layer Network Based, and standby machine has independently storage and Database Systems separately, and standby host, by master synchronization data during network implementation, can realize the failover of two-shipper in theory in level second.The index of HANS is far away higher than general failover cluster system, and shortcoming is that memory device utilance is not high, and offered load is larger.
Real Application Clusters(RAC) be that the database multi-host parallel of Oracle company is trooped software, it is high-end cluster system product, the node of database application is in " living " state more, and the application of malfunctioning node seamlessly can float to normal node and run.RAC through many decades improve after, after Oracle 10G, enter the practical stage.But RAC solve only the multi-host parallel of database application layer and the problem of fault seamless switching, does not relate to application layer high availability.
Summary of the invention
The application layer that the object of the invention is to realize Large Aeronautic Hub Flight Information integrated system is trooped and the fusion of oracle database layer RAC, and the optimization fusion reaching two-layer high-availability system is integrated.
The technical solution used in the present invention is, the highly reliable system globe area of RAC and HANS, and feature of the present invention is, because FIMS is c/s structure, for this reason, the database AODB on FIMS and its backstage is deployed in two little machines of IBM P6 570 and two and stores on the SAN that forms.
The virtual IP address that the FIMS application be deployed on two little machines uses the SCANIP(multinode of RAC to share) as unique IP addresses access data storehouse, the FIMS application changed on original node of this mode uses the mode of different IP addresses access disparate databases.
Use independently heartbeat switch for RAC, HANS, RAC, Hans keep original independence, but Hans does not carry out master/slave data and synchronously copies carrying out the application of the FIMS on two nodes, Hans mainly ensures that the fast failure be applied on two nodes switches, and ensures the application property employed continuously.Shown in " topological structure of the highly reliable system globe area of Fig. 1 RAC and HANS ".
By testing authentication repeatedly, the present invention makes the advantage of both RAC and HANS obtain complementation, while reduction offered load, improves the utilization ratio of SAN, makes overall failover efficiency and performance improve an order of magnitude.
Beneficial effect: in Kunming New Airport is built, the fusion of HANS and RAC uses, and makes the advantage of special FIMS cluster system HANS and RAC obtain integrated fully, while reduction offered load, improve the utilization ratio of SAN, overall failure switching efficiency improves an order of magnitude.Using merely compared with HANS system with the Ultra same period on other airports, is all be greatly improved in systematic function or reliability.Other airports had or professional system once will restart maintenance in average 1 week to 1 month, and the Kunming New Airport FIMS information system after adopting RAC+HANS to merge, basic every half a year restarts once carrying out carrying out maintenance when changing according to the season in boat season.
Accompanying drawing explanation
The concise and to the point topology diagram of the highly reliable system globe area of Fig. 1 RAC and HANS.
Brief description, beat in figure "
" data cube computation be cancel single HANS clustered data link.ASM refers to the storage management system Automatic Storage Management of Oracle.
Embodiment
The highly reliable system globe area of RAC and HANS, feature of the present invention is, because FIMS is c/s structure, for this reason, the database AODB on FIMS and its backstage is deployed in two little machines of IBM P6 570 and two and stores on the SAN that forms.
The virtual IP address that the FIMS application be deployed on two little machines uses the SCANIP(multinode of RAC to share) as unique IP addresses access data storehouse, the FIMS application changed on original node of this mode uses the mode of different IP addresses access disparate databases.
Use independently heartbeat switch for RAC, HANS, RAC, Hans keep original independence, but Hans does not carry out master/slave data and synchronously copies carrying out the application of the FIMS on two nodes, Hans mainly ensures that the fast failure be applied on two nodes switches, and ensures the application property employed continuously.Shown in " topological structure of the highly reliable system globe area of Fig. 1 RAC and HANS "
By testing authentication repeatedly, the present invention makes the advantage of both RAC and HANS obtain complementation, while reduction offered load, improves the utilization ratio of SAN, makes overall failover efficiency and performance improve an order of magnitude.
Hardware aspect employs 2 little machines of IBM P6 570 AIX+2 IBM B24 SAN switches+2 IBM DS5020 and stores+special gigabit networking heartbeat switch.
Employ the DBMS+RAC of Oracle 11G enterprise version.
The FIMS+HANS of the proud wound electronics of Britain.
Claims (1)
- The highly reliable system globe area of 1.RAC and HANS, is characterized in that, FIMS adopts c/s structure, and the database AODB on FIMS and its backstage is deployed in two little machines of IBM P6 570 and two and stores on the SAN that forms; Be deployed in virtual IP address that the FIMS application on two little machines uses the SCANIP of RAC and multinode to share as unique IP addresses access data storehouse; Use independently the heartbeat network switch for RAC, HANS, RAC, Hans keep original independence, but Hans does not carry out the synchronous a of master/slave data and copies carrying out the application of the FIMS on two nodes, Hans mainly ensures that the fast failure be applied on two nodes switches, and ensures the application property employed continuously.
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| CN201510200396.9A CN104852969A (en) | 2015-04-24 | 2015-04-24 | Highly reliable RAC and HANS system fusion |
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| CN201510200396.9A CN104852969A (en) | 2015-04-24 | 2015-04-24 | Highly reliable RAC and HANS system fusion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106453614A (en) * | 2016-11-11 | 2017-02-22 | 郑州云海信息技术有限公司 | Cloud operation system and access method thereof |
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Application publication date: 20150819 |