diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index faf8e71854..088c51c144 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -1452,7 +1452,12 @@ synchronous_standby_names = 'ANY 2 (s1, s2, s3)' must be recreated, either on the former primary system when it comes up, or on a third, possibly new, system. The utility can be - used to speed up this process on large clusters. + used to speed up this process on large clusters. At the same time, + if before failover, the old master was cleanly shut down, and + all WAL data including so-called shutdown checkpoint was received + by the replica before it was promoted, the old master can be started + as a new replica attaching to the new master without rebuilding or using + pg_rewind. In this case, only configuration of recovery.conf is needed. Once complete, the primary and standby can be considered to have switched roles. Some people choose to use a third server to provide backup for the new primary until the new standby