GAUSS-51100 -- GAUSS-51199

GAUSS-51100: “Failed to verify SSH trust on these nodes: %s.”

SQLSTATE: None

Description: Failed to verify the SSH mutual trust on each node.

Solution: Verify that the mutual trust between nodes is built.

GAUSS-51101: “SSH exception: \n%s”

SQLSTATE: None

Description: The remote connection is abnormal.

Solution: Ensure that the network connection is normal and that the remote server IP address, login username, and password are correct.

GAUSS-51102:“Failed to exchange SSH keys for user [%s] performing the %s operation.”

SQLSTATE: None

Description: Failed to exchange the trust key.

Solution: Verify that the network connection is normal and the server IP address configuration is correct.

GAUSS-51103: “Failed to execute the PSSH command [%s].”

SQLSTATE: None

Description: Failed to run the PSSH command.

Solution: Verify that the PSSH tool is complete and the executed command is correct.

GAUSS-51104: “Failed to obtain SSH status.”

SQLSTATE: None

Description: Failed to obtain the SSH status and result.

Solution: Verify that the network connection is normal and the connected server exists.

GAUSS-51105: “Failed to parse SSH output: %s.”

SQLSTATE: None

Description: Failed to analyze the SSH result.

Solution: Verify that the SSH tool is complete and the parsed command is correct.

GAUSS-51106: “The SSH tool does not exist.”

SQLSTATE: None

Description: The SSH tool does not exist.

Solution: Verify that the SSH tool exists.

GAUSS-51107: “Ssh Paramiko failed.”

SQLSTATE: None

Description: The Paramiko mutual trust failed.

Solution:

1. Check whether the network connection is normal.

2. Check whether the Paramiko package exists.

3. Check the following options in the /etc/ssh/sshd_config file:

   • PasswordAuthentication=yes;
   • MaxStartups=1000;
   • UseDNS=no;
   • ClientAliveInterval is greater than 10800 or equal to 0.
   • Check whether the value of MaxSessions is too small when there are a large number of hosts in the cluster.

4. After the modification is complete, restart the sshd service.

GAUSS-51108: “Ssh-keygen failed.”

SQLSTATE: None

Description: Failed to run the Ssh-keygen command.

Solution: Verify that the ssh-keygen tool exists and that the network is normal.

GAUSS-51109: “Failed to check authentication.”

SQLSTATE: None

Description: Identity authentication failed.

Solution: View the logs and check the cause of the identity authentication failure. Then, try the authentication again.

GAUSS-51110: “Failed to obtain RSA host key for local host.”

SQLSTATE: None

Description: Failed to obtain the RSA host key of the local host.

Solution: Check the cause of the failure and try again.

GAUSS-51111: “Failed to append local ID to authorized_keys on remote node.”

SQLSTATE: None

Description: Failed to add the local ID to the authorized_keys of the remote node.

Solution: Check the cause of the failure and try again.

GAUSS-51112: “Failed to exchange SSH keys for user[%s] using hostname.”

SQLSTATE: None

Description: Failed to exchange the user name using the SSH private key.

Solution: Check whether the network is normal.