In this recipe, we are going to cover block level replication using DRBD for Postgresql.
A working Linux machine is required for this setup. This setup requires network interfaces and the cLusterIP. These steps are carried out in a CentOS version 6 machine. Having covered the PostgreSQL setup in previous chapters, it is assumed that the necessary packages and prerequisites are already installed.
We will be using the following setup in our hierarchy:
Node1.author.orguses the LAN IP address
Node2.author.orguses the LAN IP address
10.0.0.182and uses the IP address
dbip.author.orguses the cluster IP address
The following ...