LB_Failure logging?

I pasted it right into the LTM and still same error...Is there maybe another irule which will give me the same result but config differently? We are trying to generate a log that displays the name of the pools and servers that are down or unavailable? Thx!

 

 

Thu Jun 5 09:36:27 PDT 2008 tmm tmm[1935] 01220001 TCL error: LB-Alert2 LB_FAILED - wrong args: should be LB::status [pool pool name addr port] up | down | session_enabled | session_disabled or [node addr] up | down | session_enabled | session_disabled while executing LB::status pool $poolname member $ip $port

 

 

when LB_FAILED {

 

set poolname [LB::server pool]

 

set ip [LB::server addr]

 

set port [LB::server port]

 

if { [LB::server name] eq $poolname } {

 

log local0. "All servers in pool $poolname down."

 

} elseif { [LB::status pool $poolname member $ip $port] eq "down" } {

 

log local0. "Member $poolname is down."

 

}

 

}