Michael Husmann <Michael(dot)Husmann(at)teleatlas(dot)com> writes:
> IPCMemoryCreate : shmget (identifies removed) Key=5432010
> size = 24588, permission = 700
> ...
You mean "identifier removed"? It sounds like your old postmaster
isn't fully shut down yet (maybe a backend process or two still
hanging around?). Look for leftover processes, and also see ipcs
and ipcrm to clean up the old shmem segment by hand (or try our
ipcclean script).
regards, tom lane