"J S B" <jsbali@xxxxxxxxx> writes: > There was some problem with postmaster.pid file, so i just removed it. Without bothering to stop the old postmaster first, I take it. At this point your best bet is to find out the PID of the old postmaster with "ps" and then kill it with "kill -INT <pid>". I suspect you've also been sloppy about which userid you've been starting the postmaster under ... you have to be consistent about that. regards, tom lane