On Thu, Dec 8, 2016 at 10:33 AM, Subhankar Chattopadhyay < subho....@gmail.com> wrote:
> Hi, > > Few days back I had asked if it is needed to to pg_basebackup for > every database update. From John I understood that it is unnecessary > and if the slave is syncing, even if it is catching up, it would be > able to sync without doing pg_basebackup. This is working also for me. > > However, for a failover scenario, where a master goes down, and I make > the slave as master, and then when the old master comes back as a > slave again, if I don't take pg_basebackup from the new master, it > cannot follow the new master. This is kind of an overhead. Is there a > way I can make the old master follow the new master without having to > do full backup? > Depending on your version and circumstance, pg_rewind may address your problem. https://www.postgresql.org/docs/9.5/static/app-pgrewind.html > > > > Subhankar Chattopadhyay > Bangalore, India > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > -- Best Wishes, Chris Travers Efficito: Hosted Accounting and ERP. Robust and Flexible. No vendor lock-in. http://www.efficito.com/learn_more