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Unit 2 Exercise 4 And 5

Modify Machine Status & Fix the Communication Problem​

Objective​

To successfully establish communication to the new agent.

Exercise 4​

Summary​

Start Communication for the SUSEVM Machine.

tip

DO NOT PANIC – Communication will not be successful because of a port error that will be corrected by the end of Exercise 5.

Instructions​

Attempt to Establish Communication​

  1. Click on the Change Communication Status button.
  2. Select Enable Full Comm. (Job start Enabled).
  3. Click Back.
  4. You should receive a Not Responding in the Status column.
  5. Close Operations
  6. Continue on to Exercise 5.
Note

Do not panic! This is an expected behavior based on the port number we entered when defining the Socket Number in Exercise 3. Please continue on to Exercise 5 to correct this issue.

Exercise 5​

Summary​

View the Netcom Log to determine the reason why you are unable to establish communication. Walk through steps to correct this issue and successfully establish communication with the Agent.

Instructions​

Viewing the Log​

  1. In Library > Administration > Logs
  2. Click on the SMANetcom.log file.
  3. Scroll to the bottom of the SMANetcom.log file and look for this entry in the Log file:
  • ConnectToMachine() -- Exception happens at machine [SUSEVM]: No connection could be made because the target machine actively refused it. [[<IP ADDRESS>:3111]]
  1. Click Back until you get to the main Library page.

Correcting the Communication Error​

  1. In Library > Administration > Agents.
  2. Right-click on the SUSEVM Unix Agent.
  3. Click the Wrench icon in the Agent Selection panel to edit the Machine details.
  4. Click the Change Communication Status button at the bottom of the screen, select Disable Communication.
  5. In the General Settings tab, change the Socket Number to 3100.
  6. Click the Save.
  7. Click the Change Communication Status button, select Enable Full Comm. (Job Start Enabled).
  8. Click the Back button in the top right-hand corner to return to the Agents main screen to verify that the SUSEVM machine is now communicating.
  9. Close Operations.
  10. Close Library.

Enterprise Manager​

Details
Walkthrough Video - Unit 2 Exercises 4 and 5

Exercise 4​

  1. Under the Operations topic, Double-Click on Machines Status.
  2. Right-Click on the SUSEVM machine and select Start Communication.
  • Left-Clicking the Machine will refresh the communication.
  1. Hit F5 to refresh the communication status.
note

Do not panic! It is not going to communicate

Exercise 5​

  1. Be sure the Machines Status tab is opened.
  2. Under the Information topic, expand Logs.
  3. Double-Click the Netcom Log.
  4. A pop-up will appear showing an auto-updating Netcom log.
  5. Look for this entry in the Log file:
ConnectToMachine() – Exception happens at machine [SUSEVM]: 
A connection attempt failed because the connected party did not properly respond after a period of time, 
or established connection failed because the connected host has failed to respond [[IP ADDRESS:PORT]]
  1. Back to the Machines Status tab, Right-Click the SUSEVM machine and select Stop Communication.
  2. Still under the Machines Status tab, Right-Click the SUSEVM machine and select Edit Machine.
  3. In the Machines tab change the Socket Number to 3100.
  4. Click the Save button.
  5. Close the Machines tab.
  6. Back to the Machines Status tab, Right-Click the SUSEVM machine and select Start Communication.
  7. Refresh the screen. The SUSEVM should be communicating.
  8. Close the SMANetCom.log tab and the Machines Status tab.