"Magnus Hagander" <mha@xxxxxxxxxxxxxx> writes: >> I have not probed further than the site's top page, but >> unless DRBD offers some pretty strong guarantees about >> physical write order on the master being duplicated on the >> slave, it won't work reliably for Postgres. > From what I've heard, it does guarantee this. I think it requires you to > put all your stuff on the same DRBD device (no special device for WAL). That would seem pretty likely --- I don't see how a block-level driver could synchronize operations occuring on different devices. regards, tom lane
