4.4. Overprovision level policy control

Procedure

1. Deploy storagecluster either from the command line interface or the user interface.

2. Label the application namespace.

   apiVersion: v1
   kind: Namespace
   metadata:
        name: <desired_name>
        labels:
             storagequota: <desired_label>

   <desired_name>

   Specify a name for the application namespace, for example, quota-rbd.

   <desired_label>

   Specify a label for the storage quota, for example, storagequota1.

3. Edit the storagecluster to set the quota limit on the storage class.

   $ oc edit storagecluster -n openshift-storage <ocs_storagecluster_name>

   <ocs_storagecluster_name>

   Specify the name of the storage cluster.

4. Add an entry for Overprovision Control with the desired hard limit into the StorageCluster.Spec:

   apiVersion: ocs.openshift.io/v1
   kind: StorageCluster
   spec:
    [...]
        overprovisionControl:
        - capacity: <desired_quota_limit>
             storageClassName: <storage_class_name>
             quotaName: <desired_quota_name>
             selector:
               labels:
                      matchLabels:
                       storagequota: <desired_label>
   [...]

   <desired_quota_limit>

   Specify a desired quota limit for the storage class, for example, 27Ti.

   <storage_class_name>

   Specify the name of the storage class for which you want to set the quota limit, for example, ocs-storagecluster-ceph-rbd.

   <desired_quota_name>

   Specify a name for the storage quota, for example, quota1.

   <desired_label>

   Specify a label for the storage quota, for example, storagequota1.

5. Save the modified storagecluster.

6. Verify that the clusterresourcequota is defined.

   참고

   Expect the clusterresourcequota with the quotaName that you defined in the previous step, for example, quota1.

   $ oc get clusterresourcequota -A
   
   $ oc describe clusterresourcequota -A