Create a File System

Region

Mandatory

Region of the tenant. Select the region from the drop-down list in the upper left corner of the page.

You are advised to select the region where the servers reside.

AZ

Mandatory

A geographical area with an independent network and an independent power supply.

You are advised to select the AZ where the servers reside.

Type

Mandatory

The following types are supported: Standard, Standard-Enhanced, Performance, Performance-Enhanced, 20 MB/s/TiB, 40 MB/s/TiB, 125 MB/s/TiB, 250 MB/s/TiB, . For details about their features and application scenarios, see File System Types.

Select Standard.

Capacity

Maximum capacity allowed for a single file system. When the used capacity of a file system reaches this value, no more data can be written to the file system. You need to expand the file system capacity. The capacity of an SFS Turbo file system cannot be reduced. Set an appropriate file system capacity based on your service needs.

• Standard: 500 GB to 32 TB
• Performance: 500 GB to 32 TB
• Standard-Enhanced: 10 TB to 320 TB
• Performance-Enhanced: 10 TB to 320 TB

Supported ranges:

• Standard: 500 GB to 32 TB
• Performance: 500 GB to 32 TB
• Standard-Enhanced: 10 TB to 320 TB
• Performance-Enhanced: 10 TB to 320 TB
• 20 MB/s/TiB: 3.6 TB to 1 PB
• 40 MB/s/TiB: 1.2 TB to 1 PB
• 125 MB/s/TiB: 1.2 TB to 1 PB
• 250 MB/s/TiB: 1.2 TB to 1 PB

Protocol Type

Mandatory

SFS Turbo supports NFS for file system access.

The default value is NFS.

Bandwidth (MB/s)

Defines the cache bandwidth, which is recommended for workloads with heavy reads and infrequent writes. The higher the bandwidth, the larger the capacity required.

• If you select the 20 MB/s/TiB, 40 MB/s/TiB, 125 MB/s/TiB, 250 MB/s/TiB type, this parameter and its value will show up. Bandwidth size = Capacity x Bandwidth density (type value). The minimum bandwidth is 150 MB/s. If the calculated bandwidth is less than 150, 150 MB/s will be used. For the maximum bandwidths, see File System Types.
• If you select the Standard, Standard-Enhanced, Performance, or Performance-Enhanced file system type, this parameter will not show up.

VPC

Mandatory

Select a VPC and its subnet.

• VPC: A server cannot access file systems in a different VPC. Select the VPC to which the server belongs.
• Subnet: A subnet is an IP address range in a VPC. In a VPC, a subnet segment must be unique. A subnet provides dedicated network resources that are logically isolated from other networks, improving network security.

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Security Group

Mandatory

A security group is a virtual firewall that provides secure network access control policies for file systems. You can define different access rules for a security group to protect the file systems that are added to this security group.

When creating an SFS Turbo file system, you can select only one security group.

You are advised to use an independent security group for an SFS Turbo file system to isolate it from service nodes.

The security group rule configuration affects the normal access and use of SFS Turbo. For details about how to configure a security group rule, see section "Adding a Security Group Rule" in the Virtual Private Cloud User Guide. After an SFS Turbo file system is created, the system automatically enables the security group port required by the NFS protocol. This ensures that the SFS Turbo file system can be accessed by your servers and prevents file system mounting failures. The inbound ports required by the NFS protocol are ports 111, 2049, 2051, 2052, and 20048. If you need to change the enabled ports, go to the VPC console, choose Access Control > Security Groups, locate the target security group, and change the ports.

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Encryption

Optional

Specifies whether a file system is encrypted. You can create a file system that is encrypted or not, but you cannot change the encryption attribute of an existing file system. If Encryption is selected, the following parameters will be displayed:

• KMS key name

  KMS key name is the identifier of the key, and you can use KMS key name to specify the KMS key that is to be used for encryption. Select an existing key from the drop-down list, or click View KMS List to create a new key. For details, see section "Creating a CMK" in the Data Encryption Workshop User Guide.

• KMS key ID

  After you select a key name, the system automatically shows the key ID.

• Key Encryption Algorithm

  After you select a key name, the system automatically shows the encryption algorithm of the key. Only the AES256 algorithm is supported.

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Tag

Optional

You can add tags when creating file systems. Tags can help you to identify, classify, and search for your file systems.

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Enterprise Project

This parameter is provided for enterprise users. When creating a file system, you can add the file system to an existing enterprise project.

An enterprise project is a cloud resource management mode, in which cloud resources and members are centrally managed by project. The default project is default.

Select an enterprise project from the drop-down list.

You can select only created enterprise projects. To create an enterprise project, click in the upper right corner of the console page.

Name

Mandatory

User-defined name of the file system.

The name can contain only letters, digits, underscores (_), and hyphens (-), and must start with a letter. It must contain more than four characters but no more than 64 characters.