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Cloud Parallel File Storage:API overview

Last Updated:Jul 10, 2026

API standards and multilingual preset SDKs

The OpenAPI of this product (NAS/2017-06-26) uses the RPC signature style. We have encapsulated SDKs for common programming languages for developers. Developers can download the SDK to directly call this product's OpenAPI without worrying about technical details. If the existing SDK does not meet your needs, you can use the signature mechanism for self-signing integration. Since the details of self-signing are very complex, it may take around 5 business days. Therefore, we recommend joining our DingTalk service group (147535001692) and conducting signature integration under expert guidance.

Before using the API, you need to prepare your identity account and access key (AccessKey) to effectively access the API through client tools (such as SDK and CLI). For details, see Obtain an AccessKey.

Custom signature scenarios

If your business scenario has special requirements and you need to integrate the API through self-signing, we recommend consulting our technical support team first (DingTalk service group: 147535001692) to obtain professional guidance and ensure efficient integration.

Account and security preparation

Alibaba Cloud accounts have full administrative permissions over all resources. Once an AccessKey is compromised, all associated resources will be at risk of unauthorized access. To ensure security, it is recommended to create a RAM user with only API access permissions and configure its AccessKey, while configuring RAM policies based on the principle of least privilege (PoLP). Use the Alibaba Cloud account only in specific scenarios where Alibaba Cloud account permissions are explicitly required.

Service operations

API

Title

Description

OpenNASService OpenNASService Activates the NAS service.

Regions

API

Title

Description

DescribeZones DescribeZones Queries all zones in a region and the file system types that are supported in each zone.
DescribeRegions DescribeRegions Queries the regions in which File Storage NAS is available.

File systems

API

Title

Description

CreateFileSystem Create a file system Creates a file system.
DeleteFileSystem DeleteFileSystem Deletes a file system.
ModifyFileSystem ModifyFileSystem Modifies the description of a file system.
DescribeFileSystems Query file system information Queries file system information.
UpgradeFileSystem UpgradeFileSystem Scales up an Extreme NAS file system or a Cloud Parallel File Storage (CPFS) file system.
DescribeFilesystemsAssociatedHpnZones DescribeFilesystemsAssociatedHpnZones Retrieves the list of HpnZones for a file system. Access performance is optimal when compute nodes are located in one of the associated HpnZones.

Mount targets

API

Title

Description

CreateMountTarget Create a mount target Creates a mount target.
DeleteMountTarget DeleteMountTarget Deletes a mount target.
DescribeMountTargets DescribeMountTargets Retrieves information about mount targets.

Permission groups

API

Title

Description

DescribeAccessGroups Query permission group information Queries permission group information.

Filesets

API

Title

Description

CreateFileset CreateFileset Creates a fileset.
DeleteFileset Delete a fileset Deletes a fileset.
ModifyFileset ModifyFileset Modifies a fileset.
GetFileset GetFileset Queries the information about the created fileset.
DescribeFilesets Query filesets Queries the list of created filesets.

Data flow

API

Title

Description

CreateDataFlow Create a data flow Creates a data flow between a CPFS General-purpose or CPFS for Lingjun file system and source storage.
DeleteDataFlow DeleteDataFlow Deletes a dataflow.
ModifyDataFlow Modify a data flow Modifies the attributes of a data flow.
DescribeDataFlows DescribeDataFlows Queries the dataflows of a CPFS file system.
StopDataFlow StopDataFlow Disables a dataflow.
StartDataFlow StartDataFlow Enables a dataflow.
CreateDataFlowTask CreateDataFlowTask Create a data flow task.
CancelDataFlowTask CancelDataFlowTask Cancels a batch or streaming data flow task that is in the Pending or Executing state.
DescribeDataFlowTasks DescribeDataFlowTasks Retrieves data flow task details.
ApplyDataFlowAutoRefresh Add auto-refresh configuration for a data flow Configures automatic updates for a specified data flow.
CancelDataFlowAutoRefresh CancelDataFlowAutoRefresh Cancels the AutoRefresh configuration for a dataflow.
ModifyDataFlowAutoRefresh ModifyDataFlowAutoRefresh Modifies an AutoRefresh configuration of a dataflow.

Resource groups

API

Title

Description

ChangeResourceGroup Change resource group Changes the resource group to which a file system instance belongs.

Protocol services

API

Title

Description

CreateProtocolService Create a protocol service Creates a protocol service for a Cloud Parallel File Storage (CPFS) file system. The creation process takes approximately 5 to 10 minutes.
DeleteProtocolService DeleteProtocolService Deletes a protocol service of a Cloud Parallel File Storage (CPFS) file system.
ModifyProtocolService ModifyProtocolService Modifies a protocol service. You can modify the description of a protocol service.
DescribeProtocolService DescribeProtocolService Queries the information about protocol services.
CreateProtocolMountTarget Create a protocol service export directory Creates an export directory for a protocol service.
DeleteProtocolMountTarget DeleteProtocolMountTarget Deletes an export directory of a protocol service.
ModifyProtocolMountTarget ModifyProtocolMountTarget Modifies the export directory parameters of a protocol service. Only the description can be modified. The virtual private cloud (VPC) ID and vSwitch ID cannot be changed. To change these IDs, you must delete the export directory and create a new one.
DescribeProtocolMountTarget DescribeProtocolMountTarget Queries the export directories of a protocol service.
GetProtocolMountTarget GetProtocolMountTarget Query the export directory information of the protocol service