Shashi Kanth Boddula wrote: > My idea is to implement DRBD to mirror the database between primary > and secondary . But , i want to know can DRBD suite this requirement Sure. This is a fairly common setup. > And , is there any limitation while using DRBD in a WAN > environment . Sure. It will be slow. But you should test yourself just how slow it will be. -- Peter Eisentraut http://developer.postgresql.org/~petere/