Creating a Subnet

Context

Only one subnet can be created in a storage system.

Procedure

1. Choose Services > HDFS Service > Service Network.
2. Click Create Subnet.

   The Create Subnet page is displayed.

3. Set basic subnet information.
   Table 1 describes related parameters.

   Table 1 Subnet parameters

   Parameter	Description
   Subnet Name	Indicates the name of the subnet. NOTE: The name contains 1 to 31 characters. The name can contain only letters, digits, underscores (_), hyphens (-), and periods (.). The name must start with a letter and cannot end with an underscore (_), hyphen (-), or period (.).
   IP Address Type	Indicates the IP address type of the subnet. The HDFS service supports IPv4 only. NOTE: The value cannot be modified after the subnet is created, or you can only delete the subnet and create a new one.
   Subnet Gateway	Indicates the gateway of the subnet IP address.
   Subnet Mask	Indicates the subnet mask of the subnet IP address and identifies the subnet to which the IP address belongs.
   DNS	You are advised to enable DNS. After enabling DNS, setting a sub-domain name for a zone, and enabling DNS for the zone, the HDFS service of the zone can be accessed through the sub-domain name.
   IP Address of DNS Service in Subnet	After enabling DNS, set the value to the DNS IP address that can communicate with the service IP address in the subnet.
   Subnet Root Domain Name	This parameter is available only when DNS is enabled.

4. Click OK.