What Should I Do If I Cannot Connect to a Data Warehouse Cluster?¶
Whether the cluster status is normal.
Whether the connection command, username, password, IP address, and port are correct.
Whether the operating system type and version of the client are correct.
Whether the client is properly installed.
If cluster connection failed on the public cloud, check the following items:
Whether the ECSs are in the same AZ, VPC, subnet, and security group as the cluster.
Whether the inbound and outbound rules of the security group are correct.
If cluster connection failed through the Internet, confirm the following items:
Whether your network is connected to the Internet.
Whether the firewall blocked access.
Whether you need to access the Internet through a proxy.
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