February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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Adding block-level replication
DRBD is the next component of our software stack. Unlike LVM, it requires at least two servers to function normally. One server acts as the Primary data server, and the other acts as a Secondary. These roles can be switched at any time, depending on which server is running PostgreSQL.
This recipe will focus on configuring and activating DRBD as part of our stack.
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