Removing nodes from a cluster

Removing a node from a cluster deletes the node permanently from the cluster. You can remove nodes by using either the uninstall, dsreplication, or dsconfig.bat utility.

• • To remove a node by using the uninstall utility
  • To remove a node manually by using the dsreplication utility
  • To remove a node manually by using the dsconfig.bat utility

To remove a node by using the uninstall utility

1. Bring all the nodes of the cluster online (if possible).
2. After the cluster is online, run the BMC Atrium Single Sign-On uninstall utility to remove the node installation.

To remove a node manually by using the dsreplication utility

1. Block access at the load balancer
2. Log into the Administrator console and navigate to Configuration > Servers and Sites
3. Select the node you want to remove and click Delete.

4. Stop LDAP replication running the dsreplication utility with the following syntax: 

   
   dsreplication disable -baseDN "dc=opensso, dc=java, dc=new" \<hostname> <host2> -port <4444> -adminUID <admin> -adminPassword <password> -X -n

    The dsreplication utility is in the following location:

   • (Microsoft Windows) <installationDirectory<\tomcat\webapps\atriumsso\WEB-INF\config\opends\bat
   • (UNIX) <installationDirectory>/tomcat/webapps/atriumsso/WEB-INF/config/opends/bin
5. Restore the load balancer.

To remove a node manually by using the dsconfig.bat utility

1. Block access at the load balancer.
2. Log onto the Administrator console and navigate to Configuration > Servers and Sites
3. Select the node you want to remove and click Delete.
4. Stop LDAP replication by running the dsconfig utility:
    The dsconfig.bat utility is in the following location:
   • (Windows) <installationDirectory>\tomcat\webapps\atriumsso\WEB-INF\config\opends\bat
   • (UNIX) <installationDirectory>/tomcat/webapps/atriumsso/WEB-INF/config/opends/bin
5. Specify the following OpenDS LDAP connection parameters:
   • Directory server host name or IP address
   • LDAP connection
   • Directory server port number
   • Administrator user bind DN
   • Password for user
6. Select the following options when presented by the utility:
   1. Select option 30.
   2. Select option 3 to edit the Replication Server.
   3. Select the default (Yes ) to edit the Multimaster Synchronization.
   4. Select option 3 to configure the replication server properties.
   5. Select option 3 to remove the node.
   6. Select the failed node.
   7. Select a new node.
   8. Select option f to commit the change.
7. Restore the load balancer.