> On Jul 12, 2018, at 17:52, Michael Paquier <mich...@paquier.xyz> wrote: > Wild guess: you did not issue a checkpoint on the promoted standby > before running pg_rewind.
I don't believe a manual checkpoint was done on the target (promoted standby, new master), but it did one as usual during startup after the timeline switch: > 2018-07-10 19:28:38 UTC [5068]: [1-1] user=,db=,app=,client= LOG: checkpoint > starting: force The pg_rewind was started about 90 seconds later. -- -- Christophe Pettus x...@thebuild.com