Volker <arendt(at)wiwi(dot)uni-wuppertal(dot)de> writes:
> the database is on a mountable volume. So that could be our problem.
> Reading your comments i would like to know if an automatic initdb on
> postmaster startup can be disabled.
Just change the initscript.
There's been periodic discussion about whether the auto-initdb isn't
too unsafe to have in there, but it's mighty handy for newbies.
regards, tom lane