FAQ

1. Can I configure the port in which OpStor server starts?

2. If port 80 (or the user specified port) is used by other application. Will the OpStor server start?

3. I have a supported device in my environment. It is not showing up in client. What is the problem?

4. Does OpStor server listen for SNMP Traps?

5. Does OpStor have the capability of forwarding the SNMP Traps to a specific host?

6. Why Windows installation is suggested over Linux installation?

1. Can I configure the port in which OpStor server starts?

Answer: Yes. During installation, OpStor prompts the user to specify a port in which the server must start. By default it shows 80. If you want to change the port, you can specify a different port number and proceed with the installation.

If you want to change the port after installation, please follow the procedure given below :

Open a command prompt and navigate to <OpStor Home>\bin
Now execute the batch file as follows

ChangeWebServerPort.bat <port number> (In Windows)

sh ChangeWebServerPort.sh <port number> (In Linux)

Example : ChangeWebServerPort.bat 9070

sh ChangeWebServerPort.bat 9070

Now start the OpStor server and it would be starting at the port 9070.

2. If port 80 (or the port that I specified) is used by other application, will the OpStor server start?

Answer: No, when ever the specified port is used by other application, OpStor server fails with the following message

OpStor as a Standalone Application :

"Failed to establish connection with web server, Gracefully shutting down Web NMS

Trying to Shutdown OpStor Server"

OpStor as a Service :

A message box appears.. "Could not start the ManageEngine OpStor service on Local Computer.

Error 1068: The dependency service or group failed to start."

In this case you need to either free the corresponding port or configure OpStor server to start in another port.(For the procedure refer FAQ 1)

3. I have a supported device in my environment. It is not showing up in client. What is the problem?

Answer: OpStor is by default configured to discover supported devices on their default port and community. SNMP enabled devices, default port is 161 and the community is 'public'. Check if your device SNMP agent runs on different port or the community string is other than 'public'. Re-configure device discovery via Admin UI.

4. Does OpStor server listen for SNMP Traps?

Answer: Yes. OpStor server receives SNMP Traps on Port 162. Ensure that OpStor is configured as manager for your device SNMP agents. Refer Prerequisites For Device Discovery under 'Discovering Storage Devices' section for more information.

5. Does OpStor have the capability of forwarding the SNMP traps to a specific host?

Answer: Yes. OpStor does have the capability of forwarding the SNMP traps to a specific host. This is configurable.

Steps for configuring :

Shutdown OpStor server, if it is running
Go to <OpStor_Home>\conf directory
Open the file trap.forwarder and make the corresponding entries as follows

           <TRAP_REDIRECTION
                        Dest_Addr="192.168.1.49"
                        Dest_Port="162"/>
            Where <192.168.1.49> is the address to which the trap has to be forwarded.
                       <162> is the Port to which trap has to be forwarded.

Note : Uncomment the above lines(in step 3) of code in the file.

If you want to forward the traps to more than one system then please include multiple entries with the corresponding addresses.

Save the entries
Start OpStor server.

This will enable OpStor to forward the traps to a specific host.

6. Why Windows installation is suggested over Linux installation ?

Answer: OpStor uses different management interfaces available, like SNMP MIB, SMI-S provider and Command Line Interface for monitoring different devices. For the CLI based devices the client needs to install the cli utilities on the OpStor running machines. For example, for monitoring EMC Clariion arrays, OpStor uses the navicli utility which needs to be installed on the OpStor running machine. Similarly for EVA performance monitoring, evaperf utility and for IBM DS / Fastt or Sun StorageTek devices SMcli utility needs to be installed. All these utilities are available only for windows and without which you would not be able to monitor those devices in OpStor.

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