---
name: openshift-openshift_storage_ocs_sc_ref
title: Storage class reference
description: Review the following ODF storage classes.
last-updated: 2026-04-09
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/openshift?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Storage class reference
{: #ocs-sc-ref}

Review the following ODF storage classes.
{: shortdesc}

The ODF storage classes all support dynamic provisioning and are multizone capable.
{: note}

| Feature | Description |
|-----|-----|
| Supported access | rwx |
| Volume mode | File |
| Performance | High |
| Consistency | Strong |
| Resiliency | High |
| Scalability | Multizone |
| Encryption | At rest |
{: caption="Ceph FS storage class details." caption-side="bottom"}
{: #ocs_sc1}
{: tab-title="ocs-storagecluster-cephfs"}
{: tab-group="sc_ref"}
{: class="simple-tab-table"}
{: summary="The first column contains a feature of the storage class. The second column contains a brief description of the feature."}

| Feature | Description |
|-----|-----|
| Supported access | rwo |
| Volume mode | Block |
| Performance | High |
| Consistency | Strong |
| Resiliency | High |
| Scalability | Multizone |
| Encryption | At rest |
{: caption="Ceph RBD storage class details." caption-side="bottom"}
{: #ocs_sc2}
{: tab-title="ocs-storagecluster-ceph-rbd"}
{: tab-group="sc_ref"}
{: class="simple-tab-table"}
{: summary="The first column contains a feature of the storage class. The second column contains a brief description of the feature."}

| Feature | Description |
|-----|-----|
| Supported access | rwo |
| Volume mode | Block |
| Performance | High |
| Consistency | Strong |
| Resiliency | High |
| Scalability | Multizone |
| Encryption | At rest |
{: caption="Ceph RBD encrypted storage class details." caption-side="bottom"}
{: #ocs_sc3}
{: tab-title="ocs-storagecluster-ceph-rbd-encrypted"}
{: tab-group="sc_ref"}
{: class="simple-tab-table"}
{: summary="The first column contains a feature of the storage class. The second column contains a brief description of the feature."}

| Feature | Description |
|-----|-----|
| Supported access | rwx |
| Volume mode | s3fs (Cloud Object Storage s3fs plug-in) |
| Performance | High |
| Consistency | Eventual |
| Resiliency | High |
| Scalability | Multizone |
| Encryption | In transit and at rest |
{: caption="Ceph RGW storage class details." caption-side="bottom"}
{: #ocs_sc4}
{: tab-title="ocs-storagecluster-ceph-rgw"}
{: tab-group="sc_ref"}
{: class="simple-tab-table"}
{: summary="The first column contains a feature of the storage class. The second column contains a brief description of the feature."}