Intelligent agent 10r2 on failsafe configuration

Hi
I'm going to install Intelligent agent 10GR2 on Oracle failsafe Environment.
I refer to NOTE: 396659.1 .
One Ressource group is available on each node ( 1 on node A -1 on node B
question: should i deploy as many agent as group running .? port numbers should then be différents ?
tks

Tks for your reply
For this moment i've deployed one agent agent OFF on each node .This part of configuration is ok ,
i can monitor database from grid control.
the goal is configuring agent for failsafe now and integrate agent OFS to ressource . ,
I've got an error while step 'add ressource to group ' ( refer to NOTE:396659.1 paragraf 11)
The added ressouce ( grid agent) hang online pending on the screen of failsafe manager.
In the note it's notified to add Network name ,and IP address as dependencies, but i can find only Virtual IP adress in the scrolling box.
any idea ??

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