Re: How to create 2 OVSD application server instances?
HI here it is
these info are available under chapter 7 in Administrator Guide:
Starting Multiple Servers In a multiple server environment, when a client connects to an application server, a list of all application servers that are currently running is sent to the client and stored in the file srv.dat in the user profile. When the application server that the client is connected to fails, the next server on the list takes over. However, if, at the moment the client connects to the application server, there is only one server running, and afterwards more servers are started, the client will not know about the other servers. Thus, if the clientsâ server fails, no take-over will take place. This happen because the list is only sent to the client when it first connects at the start of a session. It is therefore recommended to start all your Service Desk application servers in the multiple server environment before clients start to connect. When this happens, the client can be "manually" connected to another application server by changing the hp OpenView service desk Server name field in the account properties dialog box. Service Desk Port Allocation Communication between servers and client computers takes place via TCP/IP ports. The Service Desk application server listens by default on port 30999 for incoming connections from Service Desk clients. The port number can be changed by modifying the ITP port value in the server configuration file server_settings.xml. If the port specified does not match the default 30999, then all clients will need to specify the correct port number when they connect to the application server. To change the port number used by clients: 1. From the Start menu on the client, select Program Files and then hp OpenView service desk 4.5. 2. Select client and then client accounts. The hp OpenView service desk Accounts dialog box is displayed. 3. Select the Service Desk account being used by the client and click Modify. The account Properties dialog box is displayed. 4. In the hp OpenView Service Desk Server name field add the port number after a colon. For example, myappserver:12345, where 12345 is the new port number. The Service Desk application server listens by default on port 30980 for incoming HTTP Post requests from the SD_event program. The port number can be changed by modifying the HTTP port value in the server configuration file server_settings.xml. If you change the default port number, SD_event needs to be told to use the new value. SD_event can use another port number by specifying the port number on the command line with the -p flag or by specifying a port entry in the SD_event configuration file. The application server uses by default port 25 for SMTP connections. The port number can be changed by modifying the value in the server configuration file server_settings.xml. The client listens by default on ports 30999-31019 for incoming requests from the application server. The Service Desk Agent listens by default on port number 50998 for incoming requests from the Service Desk application server. The value of this port number cannot be changed. Communication between Service desk application servers and the database server also takes place via TCP/IP ports. If an Oracle database is used then the protocol is Oracle Net. Oracle Net uses port 1521. If a Microsoft SQL Server database is used the protocol is Tabular Data Stream. Tabular Data Stream uses port 1433. When running in a firewall environment, all network traffic destined for port numbers listed above must be able to pass the firewall. Stopping Servers not Allocated Default Port If you have multiple servers running, or an application server running, on a port other than the default port (30999), sd_servermanager should be used to select and stop the server(s). Multiple Server Instances Multiple instances of the Service Desk application server can be run on one machine, providing it has sufficient capacity. These server instances can be started by creating copies of the server configuration file server_settings.xml and starting separate instances of the application server using the different settings files. This can be achieved by running the start server batch file multiple times from the command line. NOTE The ITP default port number must also be changed when creating a configuration profile for a new instance. Like multiple servers on different machines, you may want to use multiple instances for dedicated purposes.
Starting Multiple Instances on Windows NT or 2000 This procedure assumes you have installed and configured a Service Desk application server on the computer where you want to run multiple instances. To run multiple instances: 1. Make a copy of the \server\server_settings.xml file of the installed server and place it in a different folder. 2. Run the server settings editor, this will open the original server_settings.xml for editing. 3. Use the editor to create a configuration profile for the new instance that you want to run. Click OK to save the modifications. NOTE Use a text editor to edit the xml file, if you want to add specific modifications that are not available in the server settings editor. 4. Navigate to the server folder and rename the server_settings.xml file to identify it. 5. Using the command prompt in the server\bin folder, run this command: sd_server.bat start â /settings=â . 6. Repeat this process for any extra server instances you require. 7. Copy the unedited server_settings.xml back to its original location.