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7.2. Enabling Gluster Block Storage as Backend for Logging

Follow the tasks mentioned below to enable Gluster Block Storage as backend for logging:
  1. To enable logging in Openshift Container platform, see https://access.redhat.com/documentation/en-us/openshift_container_platform/3.10/html-single/configuring_clusters/#install-config-aggregate-logging
  2. The openshift_logging_es_pvc_dynamic ansible variable has to be set to true. 
    [OSEv3:vars] openshift_logging_es_pvc_dynamic=true
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    For example, a sample set of variables for openshift_logging_ are listed below. 
    openshift_logging_install_logging=true
openshift_logging_es_pvc_dynamic=true
openshift_logging_kibana_nodeselector={"node-role.kubernetes.io/infra": "true"}
openshift_logging_curator_nodeselector={"node-role.kubernetes.io/infra": "true"}
openshift_logging_es_nodeselector={"node-role.kubernetes.io/infra": "true"}
openshift_logging_es_pvc_size=10Gi
openshift_logging_es_pvc_storage_class_name="glusterfs-registry-block"
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  3. Run the Ansible playbook. For more information, see .https://access.redhat.com/documentation/en-us/openshift_container_platform/3.10/html-single/configuring_clusters/#install-config-aggregate-logging
  4. To verify, execute the following command: 
    # oc get pods -n openshift-logging
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Note

For more information regarding logging storage considerations, see https://access.redhat.com/documentation/en-us/openshift_container_platform/3.10/html-single/configuring_clusters/#install-config-aggregate-logging-sizing-guidelines-storage.
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