VServer traffic from Partition A to Pool in Partition B via iRule

Hello,

just a short question, in which directions ist that possible ? I was reading that traffic can go from partition A (with VS inside) to partition COMMON (with pool inside) but it is not working when the VS is in COMMON an the the pool is in a another partition. So my question is, is it working when VServer traffic from Partition A goes to a Pool in Partition B via iRule. I did config that and it is not working. Could that be a routing problem ? Or when everything is reachable from the partition then is it doesn't matter ?  

kind regards