Appendix K. Purging a Ceph Cluster by Using Ansible
If you deployed a Ceph cluster using Ansible and you want to purge the cluster, then use the
purge-cluster.yml Ansible playbook located in the
Purging a Ceph cluster will lose data stored on the cluster’s OSDs.
Before purging the Ceph cluster…
osd_auto_discovery option in the
osds.yml file. Having this option set to
true will cause the purge to fail. To prevent the failure, do the following steps before running the purge:
Declare the OSD devices in the
osds.ymlfile. See Section 3.2, “Installing a Red Hat Ceph Storage Cluster” for more details.
Comment out the
osd_auto_discoveryoption in the
To purge the Ceph cluster…
root, navigate to the
# cd /usr/share/ceph-ansible
root, copy the
purge-cluster.ymlAnsible playbook to the current directory:
# cp infrastructure-playbooks/purge-cluster.yml .
$ ansible-playbook purge-cluster.yml