What Should I Do If I Cannot Connect to a GaussDB(DWS) Cluster?

Possible Causes

Check the following:

• Whether the cluster status is normal.
• Whether the connection command, username, password, IP address, and port number are incorrect.
• Whether the operating system type and version of the client are correct.
• Whether the client is incorrectly installed.

If cluster connection failed on the public cloud, check for the following as well:

• The ECSs are not in the same AZ, VPC, subnet, and security group as the cluster.
• Some of the inbound and outbound rules of the security group are incorrect.

If cluster connection failed through the Internet, confirm the following:

• Whether your network is connected to the Internet.
• Whether the firewall blocked the access.
• Whether you need to access the Internet through a proxy.

Contacting Customer Service

If the fault cannot be identified, submit a service ticket to report the problem: Log in to the management console and choose Service Tickets > Create Service Ticket.