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In order to perform this migration, you need to request Openstack Application Credentials EWC - How to request Openstack Application Credentials |
User procedure
- backup Backup existing ldap server before starting (using Openstack credentials) VM using the following documentation: EWC - How to create and restore backups from VMs
- add port 636 TCP.749 TCP,464 UDP to ldap security group
Code Block ADD OPENSTACK COMMAND
- Run workflow to create dns reverse zone into LDAP machine to create the reverse hosted zone (if missing)
Code Block ipa dnszone-add --name-from-ip=10.0.0.63 or using IP range (https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/managing-reverse-dns-zones)
- If your LDAP is rocky 8 based jump to step 9., if it is centos7 continue normally.
- Create LDAP replica instance type to move from centos7 to rocky 8 (see MigratefromCentos7toRocky8);
- run workflow to switch IP interfaces between LDAP (see RunworkflowtoswitchIPinterfacesbetweenLDAP);
- Check everything is fine (see Tests);
- Create LDAP replica instance type to move from centos7 to rocky 8 (see MigratefromRocky8toRocky9)
- run workflow to switch IP interfaces between LDAP (see RunworkflowtoswitchIPinterfacesbetweenLDAP);
- Check everything is fine (see Tests);
- Remove old LDAPs
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