May 2018
Intermediate to advanced
576 pages
30h 25m
English
Following a switchover from one node to another, it is common to think of performing a switchover back to the old master server, which is sometimes called failback or switchback.
Once a standby has become a master, it cannot go back to being a standby again. So, with log replication, there is no explicit switchback operation. This is a surprising situation for many people and is a repeated question, but it is quick to work around. Once you have performed a switchover, all you need to do is the following:
The important part here is that if we perform the first step without deleting ...