ManageEngine® Applications Manager


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企业版 - 使用MSSQL作为后端数据库服务器的双机热备

 

按照下面的步骤来配置ManageEngine Applications Manager双机热备:

 

单一数据库 - 多应用服务器架构

该架构包括Applications Manager的主服务器、备用服务器和一个公用数据库服务器。当主服务器使用数据库的时候,备用服务器 至少监听数据库。当主服务器停机后,备用服务器接管数据库。然后,当主服务器重新启动后将自动切换为备用服务器模式。


热备设置

以3个节点为例:

节点1和2:Applications Manager服务器

节点3:MSSQL数据库服务器


 

            Diagrammatic expression for Failover Support

 

当节点1Applications Manager停载,节点2Applications Manager将作为备用服务器启动。

后台输出样本

 

INFO | jvm 1 | 2013/08/05 01:00:06 | Checking for the availablity of the Primary Server in the Database. Found an
entry.
INFO | jvm 1 | 2013/08/05 01:00:06 |
INFO | jvm 1 | 2013/08/05 01:00:06 | Trying to connect to the Primary Server at 192.168.1.3
INFO | jvm 1 | 2013/08/05 01:00:06 |
INFO | jvm 1 | 2013/08/05 01:00:07 | Please wait ...
INFO | jvm 1 | 2013/08/05 01:00:08 | ....Connected
INFO | jvm 1 | 2013/08/05 01:00:08 |
INFO | jvm 1 | 2013/08/05 01:00:08 |
INFO | jvm 1 | 2013/08/05 01:00:08 | Starting AdventNet Web NMS Standby Server. The Modules will be started
once it takes over as the Primary Server.
INFO | jvm 1 | 2013/08/05 01:00:08 |
INFO | jvm 1 | 2013/08/05 01:00:08 | Monitoring the Primary Server at 192.168.1.3
When node1Applications Manager goes down, node2Applications Manager will start up completely and will act as
secondary server. Email notifications will be triggered on occurrence of a failover where you have to correct the
issues with the node that is down. Then start it back as secondary which will now listen for another failure.
INFO | jvm 1 | 2013/08/05 01:09:47 | Monitoring the Primary Server at 192.168.1.3
INFO | jvm 1 | 2013/08/05 01:10:48 | Starting to do FailOver Tasks.
INFO | jvm 1 | 2013/08/05 01:11:08 | Process : AlertFE [ Started ]
INFO | jvm 1 | 2013/08/05 01:11:08 | Process : NmsMainFE [ Started ]
INFO | jvm 1 | 2013/08/05 01:11:08 |
INFO | jvm 1 | 2013/08/05 01:11:08 | Verifying connection with web server... verified
INFO | jvm 1 | 2013/08/05 01:11:08 |
INFO | jvm 1 | 2013/08/05 01:11:08 | Applications Manager started successfully.
INFO | jvm 1 | 2013/08/05 01:11:08 |
INFO | jvm 1 | 2013/08/05 01:11:08 | Please connect your client to the web server on port: 9095
INFO | jvm 1 | 2013/08/05 01:11:08 |
INFO | jvm 1 | 2013/08/05 01:11:09 | The new primary server is 192.168.1.4

Note: Above steps need to be implemented for each installation in the Enterprise setup for failover.

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