Add host target after deleting it in OEM 12c

Question

I am running OEM 12.1.0.3.  I have deleted a host target on the console and now I want to add it back.  If I go to "Add Target" -> "Add Target Manually" -> "Add Host Target", it will prompt for installation of agent on that host.  I do not want to go through that process since agent is already installed and running on the host.  I also tried "auto discovery result" but the host isn't listed there even though the agent is a managed target in OEM.  Is there a easy way to add the host back?  Thanks.

Answer 1

Hi Team,
You can follow the below steps to re-add the host target
1. Start the agent by issuing following command:
<AGENT_INSTANCE_HOME>/bin/emctl start agent
2. Issue following command:
<AGENT_INSTANCE_HOME>/bin/emctl config agent addinternaltargets
3. Secure the agent by issuing following command:
<AGENT_INSTANCE_HOME>/bin/emctl secure agent
4. Do the following steps to show the status of host and agent as up:
<AGENT_INSTANCE_HOME>/bin/emctl stop agent
<AGENT_INSTANCE_HOME>/bin/emctl clearstate agent
<AGENT_INSTANCE_HOME>/bin/emctl start agent
Once done, the host and agent status would be shown as up.
5. Do a resync of agent as per below steps
1. Login to 12C console
2. Navigate to Setup --> Manage Cloud Control --> Agents (for 12.1.0.2 OEM)
    Navigate to Setup --> Agents (for 12.1.0.1 OEM)
3. Click on the problematic agent
4. Click on drop down menu "Agent" and Choose "Resynchronization" in the menu list.
5. Choose the option to "Unblock agent on successful completion of agent resynchronization." and Click on Continue
6. The resynchronization operation is submitted as a job
7. Check the job's status of the resynchronization operation by clicking on the job name's link.
Regards,
Rahul