How to delete an application Tier node in R12.2

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This steps are ONLY for deletion of secondary application tier nodes. The primary application tier node cannot be deleted using these steps

Before planning to delete the secondary node please ensure patching cycle enabled/not If patching cycle enabled we are not able to perform this activity.

If example some scenarios we did some wrong configuration in this scenario we need to delete the node and add it back will see the steps below

Sample Error:

ERROR: vtebs1 entry is there in AD_NODES_CONFIG_STATUS

ERROR: vtebs1 entry is there in fnd_oam_context_files

ERROR: vtebs1 entry is there in ADOP_VALID_NODES

ERROR: vtebs1 entry is there in fnd_nodes

ERROR: vtebs1 already registered in AutoConfig tables

ERROR: Some old configuration footprints still exists

Run ebs-delete-node before re-running add node

Solution:

Execute below query and check node status

SQL> select node_name, node_mode, support_cp, support_web, support_admin,support_forms from FND_NODES;

Syntax:

perl <AD_TOP>/patch/115/bin/adProvisionEBS.pl ebs-delete-node \

-contextfile=<CONTEXT_FILE> -hostname=<HOSTNAME OF NODE TO BE DELETED> -logfile=<LOG_FILE>

This will delete all information corresponding to the specified node from the Weblogic domain like the managed servers, OHS instances and Node Manager of the specified node from both the run and patch file system WebLogic domain. In addition, it will also remove the node from the list of active nodes registered in the topology.

Login to the primary node.

Source the run file system.

Execute the ebs-delete-node option of the adProvisionEBS.pl script as follows

[applmgr@vtebs~]$ perl $AD_TOP/patch/115/bin/adProvisionEBS.pl ebs-delete-node -contextfile=$CONTEXT_FILE -hostname=vtebs1.lab.com

Enter the APPS Schema password:

Enter the WebLogic AdminServer password:

Node deleted successfully.

[applmgr@vtebs ~]$

Once node is deleted and execute the above sql statement check node deleted/not.

Reference:

12.2: How to Delete an Application Tier Node (Doc ID 2315133.1

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