PostgreSQL 12 High Availability Cookbook - Third Edition

How to do it...

In the previous chapter, we created a DRBD resource named pg. With this in mind, follow these steps as the root user to add DRBD to Pacemaker:

1. Create a basic Pacemaker primitive for DRBD with this command:

crm configure primitive drbd_pg ocf:linbit:drbd \
    params drbd_resource="pg" \
    op monitor interval="15" role="Master" \
    op monitor interval="20" role="Slave" \
    op start interval="0" timeout="240" \
    op stop interval="0" timeout="120"

2. Create a master/slave resource with this command:

crm configure ms ms_drbd_pg drbd_pg \
    meta master-max="1" master-node-max="1" \
    clone-max="2" clone-node-max="1" notify="true"

3. Clean up any errors that might have accumulated with crm:

crm resource cleanup drbd_pg

4. Display the status ...