Huawei CSI

Table 1 Features supported by Huawei storage and constraints

Feature

OceanStor V5

OceanStor

OceanStor Dorado

Static Provisioning

FC/iSCSI

FC/iSCSI/NVMe over RoCE/NVMe over FC

FC/iSCSI/NVMe over RoCE/NVMe over FC

Dynamic Provisioning

Manage Provisioning

Expand Persistent Volume

  • Volumes created in Dynamic Provisioning or Manage Provisioning mode are supported.
  • The provisioned PVC whose volumeType is lun and accessModes is ReadOnlyMany does not support capacity expansion.

Create VolumeSnapshot

Volumes created in Dynamic Provisioning or Manage Provisioning mode are supported.

Delete VolumeSnapshot

Supported

Restore VolumeSnapshot

Supported

Clone Persistent Volume

Volumes created in Dynamic Provisioning or Manage Provisioning mode are supported.

Raw Block Volume

Supported

Topology

Supported

Generic Ephemeral Volumes

Supported

Access Mode

  • RWO/ROX/RWOP: supported. RWOP is supported only in Kubernetes 1.22 or later.
  • RWX: supported only by Raw Block volumes

QoS

Supported. Only system users can configure QoS.

Application type

Not supported

Supported

Volume HyperMetro

Not supported

Storage multi-tenant

Not supported

  • If a container platform is deployed on a virtualization platform, you are advised to use the iSCSI protocol when the CSI is connected to SAN storage.
  • If the customer requires the FC, NVMe over FC, or NVMe over RoCE protocol, the virtualization platform needs to be configured. In this case, the customer’s virtualization team needs to provide technical support.
  • When NVMe over RoCE or NVMe over FC is used, the supported nvme-cli tool version is 1.9 or later. To query the version, run the nvme version command.