Trond Eivind Glomsrød writes:
> > %preupgrade
> > pg_dumpall >somewhere
> 1) You don't know that postgresql is running. It probably isn't.
Then start it.
> 2) You don't know that you have the diskspace to do that.
Changing from one storage format to another always requires 2x space
(although a text dump is usually smaller than the internal
representation). And you're not going to get the storage format to not
ever change again. :-)
--
Peter Eisentraut peter_e(at)gmx(dot)net http://yi.org/peter-e/