Martin Fandel wrote: > Which is the best solution? (Slony, DRDB, WAL or something else?) Slony is a master/slave replication system that can improve overall read performance. DRBD gives you a hot stand-by system. Both of these are completely different goals, which can be implemented complementarily. A WAL-based replication gives you about the same effect as a DRBD replication, but with DRBD you pass on all the responsibility to the operating system. One guy at LinuxTag told be he manages his DRBD pairs using Linux virtual servers, which would mean that on some level you don't even notice that you have two machines running instead of one. If have yet to figure that out, but it sounds quite nice. Btw., it was probably me who told you about DRBD, but I didn't make that up myself. A lot of people are currently using it. -- Peter Eisentraut http://developer.postgresql.org/~petere/
