Configuration Reloading (gpstop -u) is hung with message "gpadmin@sdwX's password"

Products

• VMware Tanzu Greenplum

Issue/Introduction

Symptoms:

"gpstop -u" becomes hung and never finishes with below messages.

Warning Message:

gpadmin@sdw1's password: gpadmin@sdw1's password: gpadmin@sdw1's password: gpadmin@sdw1's password:  
gpadmin@sdw1's password: gpadmin@sdw1's password: gpadmin@sdw5's password: gpadmin@sdw5's password:  
gpadmin@sdw5's password: gpadmin@sdw5's password: gpadmin@sdw5's password: gpadmin@sdw5's password:

The messages are just repeating again and again. And you may also find master can not able to ssh into segment hosts without password.

 

Environment

Cause

ssh public keys between hosts are not exchanged correctly.

 

Resolution

Re-configure ssh among master and segment hosts using gpssh-exkeys tool.