Re: Cannot start 2 instances of OnLine 7.x

} } 1) Make sure that you have different SERVERNUM for each onconfig file. } This is used to uniquely name the shared memory segments. } 2) Make sure that you don't have shared memory segments laying around. } Easiest way - make sure that both engines are down. Do a "ipcs" } and see if you have any informix owned segments. if so, remove with } ipcrm. } } My guess is #1 Also check kernel parameters to make sure that all of the shared memory parameters have been set to AT LEAST the values specified in $INFORMIXDIR/release/ONLINE_7.1 (or similar, depending on release). Specifically, SHMMNI governs max number of shared memory segments for the whole system, at least on HP-UX. Mark Collins mcollins@us.dhl.com The problem lies in how easily and dangerously we forget that manipulating things is not the same as understanding them.