Writing to a General-Purpose File System Failed

Symptom

Data cannot be written to the general-purpose file system mounted on ECSs running the same type of OS.

Possible Causes

The ECS security group configuration is incorrect. Specifically, the port used to communicate with the general-purpose file system is not enabled.

Fault Diagnosis

On the security group console, check the port configuration for the target ECS and ensure that required ports are correctly configured.

Solution

1. Log in to the ECS console.
2. Select the target ECS and go to its details page.
3. Click the Security Groups tab and select the target security group. Click Manage Rule to go to the security group console.
4. On the displayed page, click the Inbound Rules tab and click Add Rule to open the Add Inbound Rule page. Add rules as follows:

   You need to add inbound and outbound rules for the security group. For details, see Adding a Security Group Rule. The inbound ports required by NFS are ports 111, 2049, and 2050.

5. Click OK. Access the general-purpose file system again for verification.