> Why would you not want to maintain a WAL archive? Are you depending on > the > slave server(s) as your only form of backup? If the slave devide acts as a perfect backup, why would I need an additional 3rd entiy for WAL backups? I know what the difference between sync and async is, but I don't see the need for a WAL archive in sync mode. Can you please explain that? Thanks -------- Original-Nachricht -------- > Datum: Fri, 6 Apr 2012 17:54:54 -0400 > Von: Michael Nolan <htfoot@xxxxxxxxx> > An: hans wulf <lotu1@xxxxxxx> > CC: pgsql-general@xxxxxxxxxxxxxx > Betreff: Re: 9.1.3 Standby catchup mode > On Thu, Apr 5, 2012 at 12:35 PM, hans wulf <lotu1@xxxxxxx> wrote: > > > I am wondering how the catchup mode of a hot synchron slave server works > > on 9.1.3 if there is no WAL archive. > > > > > It isn't clear what you want from synchronous streaming replication, or if > you understand the difference between synchronous streaming replication > and > asynchronous streaming replication. > -- > Mike Nolan -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general