Compatibility with Huawei Distributed Storage
Huawei CSI plug-in is compatible with Huawei OceanStor series distributed storage systems. The following table lists the supported storage versions.
Table 1 Supported Huawei distributed storage
Storage Product | Version |
|---|
FusionStorage Block | 8.0.1 |
OceanStor Pacific series | 8.1.0, 8.1.1, 8.1.2, 8.1.3, 8.1.5, 8.2.0 |
Huawei CSI plug-in supports the following features for Huawei distributed storage.
Table 2 Features supported by Huawei distributed storage and constraints
Feature | FusionStorage Block | OceanStor Pacific Series |
|---|
Static Provisioning | SAN: iSCSI/SCSI | SAN: iSCSI/SCSI NAS: DPC2/NFS 3/4.13 |
Dynamic Provisioning |
Manage Provisioning1 |
Expand Persistent Volume4 | Volumes created in Dynamic Provisioning or Manage Provisioning mode are supported. |
Create VolumeSnapshot | SAN volumes created in Dynamic Provisioning or Manage Provisioning mode are supported. |
Delete VolumeSnapshot | Supported | Only SAN volume snapshots are supported. |
Restore VolumeSnapshot | Supported | Only SAN volume snapshots are supported. |
Clone Persistent Volume | SAN volumes created in Dynamic Provisioning or Manage Provisioning mode are supported. |
Raw Block Volume | Only SAN volumes are supported. | Only SAN volumes are supported. |
Topology | Supported | Supported |
Generic Ephemeral Inline Volumes | Supported | Supported |
Access Mode | RWO/ROX/RWOP: supported by all types of volumes. RWOP is supported only by Kubernetes 1.22 and later versions. RWX: supported only by Raw Block volumes and NFS volumes. |
QoS | Supported | Supported |
Soft and hard quotas | Not supported | Only NAS volumes are supported. |
Storage multi-tenant | Not supported | Only NAS volumes are supported. |
- Note 1: Manage Provisioning is a volume management feature customized by Huawei CSI. This feature allows existing storage resources to be managed by Kubernetes. You are not allowed to manage a storage resource for multiple times and concurrently delete or create a storage resource.
- Note 2: Only OceanStor Pacific series 8.1.2 and later versions support DPC. For details about whether the OSs supported by Huawei CSI support DPC, see the compatibility document of the corresponding product version.
- Note 3: Only OceanStor Pacific series 8.1.2 and later versions support NFS 4.1.
- Note 4: The provisioned PVC whose volumeType is lun and accessModes is ReadOnlyMany does not support capacity expansion.