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 scenario, the server at 10.0.30.1 is still the primary PostgreSQL server, and 10.0.30.20 will be our archive server. Follow these steps to save WAL data remotely:
- Ensure that the pg_hba.conf file on the primary server contains this line:
host replication rep_user 10.0.30.20/32 md5
- Ensure that the wal_keep_segments and archive_mode settings in postgresql.conf are set as follows on the primary server:
wal_keep_segments = 1000 archive_mode = off
- Restart the configuration files on the primary server with the following command:
sudo systemctl restart postgresql@12-main
- Alternatively, restart with this command:
sudo systemctl restart postgresql-12
- On the archive server, create the /db/pg_archived directory with ...
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