# Error message or timeout after dmg system query
$ dmg system query 
ERROR: dmg: Unable to load Certificate Data: could not load cert: stat /etc/daos/certs/admin.crt: no such file or directory
# or Node-hang after dmg system query command issued 

# Workaround
# 1. Make sure the admin-host /etc/daos/daos_control.yml is correctly configured. 
#    including:
#      hostlist: <daos_server_lists>
#      port: <port_num>
#      transport_config:
#        allow_insecure: <true/false>
#        ca_cert: /etc/daos/certs/daosCA.crt
#        cert: /etc/daos/certs/admin.crt
#        key: /etc/daos/certs/admin.key
#
# 2. Make sure the admin-host allow_insecure mode match with the servers'.