Communication Matrix

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Source Device

Host where CSI controller is located

Host where CSI node is located

Kubernetes master node

Source IP Address

IP address of the source device

Source Port

1024 to 65536

Destination Device

Storage device

Host where CSI controller is located

Configuring Custom Permissions

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User-defined Role Configurations

For different storage resources, refer to the following configurations:

For NAS resources, configure the minimum permissions by referring to Table 1 .
For SAN resources, configure the minimum permissions by referring to Table 2 .

For details about how to configure permissions for user-defined roles, see OceanStor Dorado 6000, Dorado 18000 Series Product Documentation .

Table 1 Minimum permissions for NAS resources

Permission Object

Parent Object

Read/Write Permission

Function

workload_type

file_storage_service

Huawei CSI Resource Management

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This section lists the resource requests and limits used by each container of the Huawei CSI plug-in. For details about the unit, see Resource units in Kubernetes .

Table 1 Container resource requests and limits

Pod Name

Container Name

CPU Request

CPU Limit

Memory Request

Memory Limit

huawei-csi-controller

huawei-csi-driver

50m

500m

128Mi

1Gi

storage-backend-sidecar

50m

300m

128Mi

512Mi

storage-backend-controller

50m

300m

128Mi

512Mi

huawei-csi-extender

50m

300m

128Mi

512Mi

csi-attacher

50m

300m

128Mi

512Mi

csi-provisioner

50m

Kubernetes Feature Matrix

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This section describes the features of different Kubernetes versions supported by Huawei CSI.

Table 1 Kubernetes versions and supported features

Feature	V1.16	V1.17	V1.18	V1.19	V1.20	V1.21+
Static Provisioning	√	√	√	√	√	√
Dynamic Provisioning	√	√	√	√	√	√
Manage Provisioning¹	√	√	√	√	√	√
Expand Persistent Volume	√	√	√	√	√	√
Create VolumeSnapshot	x	x	x	x	√	√
Restore VolumeSnapshot	x	x	x	x

Appendix on Huawei

Communication Matrix

Configuring Custom Permissions

User-defined Role Configurations

Huawei CSI Resource Management

Kubernetes Feature Matrix