Michael Paquier wrote: > On Fri, Feb 7, 2014 at 3:02 PM, James Sewell <james.sew...@lisasoft.com> > wrote: > >> Node A could get ahead even if it has been shut down cleanly BEFORE the >> promotion? >> I'd always assumed if I shut down the master the slave would be at the same >> point after shutdown >> - is this incorrect? > > Yes and no. A node will wait at shutdown until all the *connected* slaves > have flushed necessary WALs > to disk. But if the slave is not connected at the moment of shutdown, it > might not be the case.
Even if the slave is connected, there was a bug: http://www.postgresql.org/message-id/e1urwwa-0004lr...@gemulon.postgresql.org So you need at least 9.3.0, 9.2.5 or 9.1.10 for this to work properly. Yours, Laurenz Albe -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
