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File Storage – High Performance
MountPoint Management
MountPoint Management
1. Mount Point Overview
What is a Mount Point?
In the FPT File Storage – High Performance system, a Mount Point is a logical access point that allows users to connect to a specific directory (path) within the storage pool.
To mount data from a Bare Metal server, you need to create a Mount Point with the following configuration details:
- Path: Specific directory path in the storage system you want to access.
- Access protocol: Such as NFSv3 or NFSv4.
- Access Subnet: Only servers within the specified subnet are allowed to mount. If a server is not in this subnet list, the mount request will be denied.
Role of the Mount Point
| Component | Role |
|---|---|
| Mount Point | Access point from internal network to file storage via NFSv3/NFSv4/S3. |
| Client (server) | Mounts data from file storage, shown as a local disk. |
| Storage Backend (VAST) | Underlying storage infrastructure. |
| QoS Policy | Attached to mount point to limit IOPS, throughput, etc. |
Mount Point Structure
| Field | Description |
|---|---|
| Name | Display name in the portal |
| Path | Actual path, e.g., /ml-data |
| Protocol | Protocol: NFSv3 or NFSv4 |
| Subnet | CIDR network range allowed to access |
| Endpoint Range | Connection endpoint |
| QoS Policy | Performance control policy |
| NFS Alias | Alias path shown in the OS |
Relationships with other components
- VPC & Subnet: A Mount Point can be assigned to multiple subnets across the same or different VPCs. Only servers in the assigned subnets can access it.
- QoS Policy: Controls performance through:
- Max Throughput (MB/s)
- Max IOPS
- Burst Limit
- NFS Protocol: Supports TCP and RDMA. In particular:
- TCP: Common and easy to use.
- RDMA: High performance, low latency.
- Multi-Path RDMA: For large workloads, allows parallel connections.
2. Creating a Mount Point
Important Principles
- Bind to specific subnet: Only servers in the assigned subnet can mount.
- Do not create at root path ("/"): Use subdirectories, e.g.,
/project-a,/team1/data. - One path – one mount point: No duplicates allowed.
- Unlimited number of mount points: As long as paths are not duplicated.
- NFSv4 requires full path export: All parent directories in the path must also be exported.
Example: To mount
/project-a/team1/datausing NFSv4,/project-aand/project-a/team1must also be exported.
Steps to Create a Mount Point on Unify Portal
- Go to the MountPoint tab, click Create MountPoint.
- Fill in the information:
- Region: Select the usage region.
- VPC / Subnet: Choose the subnet containing GPU servers.
- Mount Point Name: 3–63 characters, letters/numbers/“_”, cannot start/end with a special character.
- Protocol: NFSv3 or NFSv4.
- If NFSv3: You can add an NFS Alias.
- If NFSv4: Ensure all parent folders in the path also use NFSv4.
- Path: Must start with "/", not end with "/" or space, and must be unique.
- Options: Tick "Create new directory" if the path does not exist.
- QoS Policy: Select an existing one or create a new one.
- Click Create to finish.
Result
- Success: Mount Point will appear on the portal and can be mounted from servers in the subnet.
- Failure: An error will be displayed – review the entered information.
3. Deleting a Mount Point
You can delete a Mount Point when it is no longer in use, to:
- Revoke access.
- Safely disconnect between servers and the storage system.
- Support reconfiguration or network infrastructure changes.
How to Do It
- Go to the Resource tab on Unify Portal.
- Find the Mount Point to delete, choose Action > Delete.
- Confirm the operation when prompted.
⚠️ Note:
- Ensure all applications have unmounted before deletion.
- Deleting a Mount Point does not delete the data in the assigned directory.
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