Configuring Fusion Data Foundation in MCG-only mode

Configure Fusion Data Foundation in Multicloud Object Gateway (MCG)-only mode to provide scalable object storage without block or file services.

Before you begin

  • Fusion Data Foundation is installed in dynamic mode, as instructed in Installing Fusion Data Foundation.
  • You are logged in to the Red Hat® OpenShift® Container Platform web console as an administrator.
  • Project is set to openshift-storage.

About this task

Fusion Data Foundation can be deployed in MCG-only mode, where only the MCG service is installed. In this mode, the system provides object storage exclusively and does not support block or file storage.

Procedure

  1. Go to Operators > Installed Operators to view all the installed operators.
  2. Select the IBM Storage Fusion Data Foundation operator.
  3. On the Details tab, click Create StorageSystem.
  4. On the Backing storage page, select the following options:
    1. Deployment type: Select Multicloud Object Gateway.
    2. Backing storage type: Select Use an existing StorageClass.
    3. Click Next.
  5. On the Security page, keep the default selection and click Next.
  6. On the Review and create page, review the configuration details and click Create StorageSystem.
    Tip: To modify any configuration details, click Back.
  7. Do the following verification steps:
    1. Verify that the StorageSystem resource is created.
      Command example:
      oc get StorageSystem -n openshift-storage
      Example output:
      NAME                               STORAGE-SYSTEM-KIND                  STORAGE-SYSTEM-NAME
ocs-storagecluster-storagesystem   storagecluster.ocs.openshift.io/v1   ocs-storagecluster
    2. Verify that the PersistentVolumeClaim (PVC) is created as the backing storage.
      Command example:
      oc get pvc -n openshift-storage
      Example output:
      NAME                STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS          VOLUMEATTRIBUTESCLASS   AGE
db-noobaa-db-pg-0   Bound    pvc-24fb7c6d-2964-4609-859e-5468d6f20461   50Gi       RWO            fusion-gdp-sc-cp-sc   <unset>                 116s
    3. Verify that the StorageCluster is in the Ready phase.
      Command example:
      oc get StorageCluster -n openshift-storage
      Example output:
      NAME                 AGE     PHASE   EXTERNAL   CREATED AT             VERSION
ocs-storagecluster   2m59s   Ready              2025-08-08T19:18:46Z   4.17.9
    4. Verify that the noobaa Pods are in Running status.
      Command example:
      oc get pod -n openshift-storage
      Example output:
      NAME                                               READY   STATUS    RESTARTS   AGE
ceph-csi-controller-manager-6b45485f4f-hlv7j       2/2     Running   0          3h58m
csi-addons-controller-manager-867f5596fd-ftfzk     2/2     Running   0          3h58m
noobaa-core-0                                      2/2     Running   0          3m27s
noobaa-db-pg-0                                     1/1     Running   0          3m28s
noobaa-default-backing-store-noobaa-pod-5a57efda   1/1     Running   0          79s
noobaa-endpoint-d7f495757-9v5vp                    1/1     Running   0          104s
noobaa-operator-6b88f87cf6-phcgx                   1/1     Running   0          3h58m
ocs-metrics-exporter-649f675dd9-vksg5              1/1     Running   0          3m27s
ocs-operator-554858f998-pkp4t                      1/1     Running   0          3h57m
odf-console-656656598-djnz7                        1/1     Running   0          3h58m
odf-operator-controller-manager-77ff48499c-nptnh   2/2     Running   0          3h58m
rook-ceph-operator-66ccffcc44-skbrf                1/1     Running   0          3h57m
ux-backend-server-6b4d8fb86f-r97qn                 2/2     Running   0          3h57m
    5. Verify that the noobaa resources are in the Ready phase.
      Command example:
      oc get -n openshift-storage noobaas.noobaa.io,bucketclasses.noobaa.io,noobaas.noobaa.io
      Example output:
      NAME                      S3-ENDPOINTS                     STS-ENDPOINTS                    SYSLOG-ENDPOINTS   IMAGE                                                                                                            PHASE   AGE
noobaa.noobaa.io/noobaa   ["https://9.11.110.227:31135"]   ["https://9.11.110.227:30345"]                      registry.redhat.io/odf4/mcg-core-rhel9@sha256:0176d3ecd09d375ccfce03657b47b0d597131991ebd16f903171248fee383a6c   Ready   11m

NAME                                                  TYPE            PHASE   AGE
backingstore.noobaa.io/noobaa-default-backing-store   s3-compatible   Ready   9m17s

NAME                                                PLACEMENT                                                        NAMESPACEPOLICY   QUOTA   PHASE   AGE
bucketclass.noobaa.io/noobaa-default-bucket-class   {"tiers":[{"backingStores":["noobaa-default-backing-store"]}]}                             Ready   9m17s
    6. In the Red Hat OpenShift Container Platform web console, go to Storage > Data Foundation and check that the storage system is healthy.
    7. In the IBM Fusion web console, go to Storage > Local storage and check that the Multi-cloud Gateway mode is detected.

Results

Fusion Data Foundation is configured and running in MCG-only mode.