problem reseting node

Hi,

I recently purchased two rps10 devices to use in my
failsafe cluster.  My cluster is composed of two
nodes HA1 and HA2.  When I try to restart a node via
failsafe I get the following error message.

From node HA1

cmgr> admin reset node HA2
Server error: no response from system controller at HA2 
or a remote server

Failed to admin:
	reset

admin command failed


If I enter the following command on cluster node "HA1"
node HA2 successfully restarts.  

/usr/local/sbin/stonith -t rps10 -p "/dev/ttyS0 HA2 0" HA2



Any ideas on what I am doing wrong in my node configuration for
failsafe to have problems contacting the system controller? 
Here is my node configuration, I followed the suggestions on
other posts for the syntax (rps10,/dev/ttyS0,0).

cmgr> show node HA2
Logical Machine Name: HA2
Hostname: HA2
Is FailSafe: true
Nodeid: 2
Reset type: powerCycle
System Controller: stonith
System Controller status: enabled
System Controller owner: HA1
System Controller owner device: rps10,/dev/ttyS0,0
System Controller owner type: tty
ControlNet Ipaddr: 172.27.5.23
ControlNet HB: true
ControlNet Control: true
ControlNet Priority: 2
ControlNet Ipaddr: 192.168.1.2
ControlNet HB: true
ControlNet Control: true
ControlNet Priority: 1



cmgr> show node HA1
Logical Machine Name: HA1
Hostname: HA1
Is FailSafe: true
Nodeid: 1
Reset type: powerCycle
System Controller: stonith
System Controller status: enabled
System Controller owner: HA2
System Controller owner device: rps10,/dev/ttyS0,HA2,0
System Controller owner type: tty
ControlNet Ipaddr: 192.168.1.1
ControlNet HB: true
ControlNet Control: true
ControlNet Priority: 1
ControlNet Ipaddr: 172.27.5.22
ControlNet HB: true
ControlNet Control: true
ControlNet Priority: 2


Any suggestions greatly appreciated, Thanks.

Tabitha

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