February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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How to do it...
For this recipe, we should already have three PostgreSQL servers. As usual, we'll assume they are named pgha1, pgha2, and pgha3. If pgha2 is the current primary, follow these steps to simulate a server failure:
- Execute the following command as a root-enabled user on pgha2:
sudo systemctl stop patroni
- Follow the Patroni log on pgha1 or pgha3 with this command:
sudo journalctl -u patroni
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