Github user huor commented on a diff in the pull request: https://github.com/apache/incubator-hawq/pull/1211#discussion_r110327071 --- Diff: tools/bin/hawqpylib/hawqlib.py --- @@ -203,6 +203,13 @@ def check_hostname_equal(remote_host, user = ""): cmd = "hostname" result_local, local_hostname, stderr_remote = local_ssh_output(cmd) result_remote, remote_hostname, stderr_remote = remote_ssh_output(cmd, remote_host, user) + if result_remote != 0: + print "Execute command '%s' failed with return code %d on %s." % (cmd, result_remote, remote_host) + print "Either ssh connection fails or command exits with error. Details:" + print stderr_remote + print "For ssh connection issue, please make sure passwordless ssh is enabled or check remote host." --- End diff -- The remote command only check if the host exist. ``` if result_remote != 0: print "Execute command '%s' failed with return code %d on %s." % (cmd, result_remote, remote_host) print "Please check ssh connection and make sure passwordless ssh is enabled." ```
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