"Peter Alberer" <h9351252(at)obelix(dot)wu-wien(dot)ac(dot)at> writes:
> Since about three days I am having strange problems with my postgresl
> installation. Today in the morning at about 2am the database crashed
> completely.
You haven't actually shown us any evidence of a crash ... also, if the
postmaster is still alive then I'd not call it a "complete crash".
Please provide more details.
regards, tom lane