ONS Serive not able to start in both the nodes

Hi

I am not able to start the ONS service in both the nodes (RAC).

Looking for experts help on this scenario.

Platform : AIX 6.1

Oracle version : 11.1.0.7

 Node 1:

bash-3.2$ onsctl start
Number of onsconfiguration retrieved, numcfg = 2
onscfg[0]
   {node = NODE1, port = 6251}
Setting remote port from OCR repository to 6251
Adding remote host NODE1:6251
onscfg[1]
   {node = NODE1t, port = 6251}
Adding remote host NODE1t:6251
Number of onsconfiguration retrieved, numcfg = 2
onscfg[0]
   {node = NODE1, port = 6251}
Setting remote port from OCR repository to 6251
Adding remote host NODE1:6251
onscfg[1]
   {node = NODE1t, port = 6251}
Adding remote host NODE1t:6251
onsctl: ons failed to start
bash-3.2$ su -
root's Password: