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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

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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:

  • Reconfigure the old master node again, repeating the same process as before to set up a standby node
  • Switchover from the current to the old master node

The important part here is that if we perform the first step without deleting ...

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Publisher Resources

ISBN: 9781788474924Supplemental Content