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Chapter 8. Uninstall Red Hat Openshift Container Storage
For Red Hat Openshift Container Storage, the OpenShift Container Platform Advanced Installer comes with a playbook to uninstall all resources and artifacts from the cluster. To use it, provide the original inventory file that was used to install the target instance of Red Hat Openshift Container Storage and run the following playbook:
Warning
This procedure will destroy data. Proceed with caution.
ansible-playbook -i <path_to_inventory_file> /usr/share/ansible/openshift-ansible/playbooks/openshift-glusterfs/uninstall.yml
In addition, the playbook supports the use of a variable called
openshift_storage_glusterfs_wipe which, when enabled, will destroy any data on the block devices that were used for Red Hat Gluster Storage backend storage. For more information about the settings/variables that will be destroyed, see Appendix B, Settings that are destroyed when using uninstall playbook. It is recommended to use this variable in the following format:
ansible-playbook -i <path_to_inventory_file> -e "openshift_storage_glusterfs_wipe=true" /usr/share/ansible/openshift-ansible/playbooks/openshift-glusterfs/uninstall.ymlNote
If gluster-block is uninstalled, ensure that the entries corresponding to gluster-block in /etc/target/saveconfig.json is removed. It is possible that the configuration file may contain entries other than gluster-block and hence it is required to remove the the gluster-block entries manually.
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