Devrim GÜNDÜZ <devrim@xxxxxxxxxxxxxxxxx> writes: >> What I'm pondering here is that is the cluster able to keep the >> postmasters synchronized at all times so that the database won't get >> corrupted. > > Keep all the $PGDATA in the shared disk. That would minimize data loss > (Of course, there is still a risk of data loss -- the postmasters are > not aware of each other and they don't share each other's buffers, etc.) It would be much better to have the cluster software only run one postmaster at a time, starting up the secondary if the primary fails. That's the usual practice with shared storage. -Doug ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings