When it is deployed on-premises, the Red Hat OpenShift Container Platform supports several types of storage, providing you with a significant choice. The following table shows the storage choices that are available:
Table 1 - Supported on-premises storage types for PVs
Volume plug-in |
ReadWriteOnce |
ReadOnly |
ReadWriteMany |
Ceph RBD |
✅ |
✅ |
- |
Fibre Channel |
✅ |
✅ |
- |
GlusterFS |
✅ |
✅ |
✅ |
HostPath |
✅ |
- |
- |
iSCSI |
✅ |
✅ |
- |
NFS |
✅ |
✅ |
✅ |
Openstack Cinder |
✅ |
- |
- |
Local |
✅ |
- |
- |
Storage is required for internal infrastructure use and to store and preserve application data. Be sure to take your application requirements into account when you select your storage platform technology.
Note: A later Ready Architecture for Red Hat OpenShift will provide design and deployment information for Dell EMC storage products and services.
The following table summarizes the recommended configurable storage technologies for the Red Hat OpenShift Container Platform cluster application.
Table 2. Storage configuration for the Openshift Container Platform cluster
Storage type |
ROX |
RWX |
Registry |
|
Scaled registry1 |
Metrics |
Logging |
Apps |
Block |
✅ |
No |
Configurable |
|
Not configurable |
Recommended |
Recommended |
Recommended |
File |
✅ |
✅ |
Configurable |
|
Configurable |
Configurable |
Configurable |
Recommended |
Object |
✅ |
✅ |
Recommended |
|
Recommended |
Not configurable |
Not configurable |
Not configurable |
1 An OpenShift Container Platform registry in which three or more pod replicas are running