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...
Perform these steps on any Pacemaker node as the root user:
- Add an email primitive to Pacemaker with crm:
crm configure primitive pg_mail ocf:heartbeat:MailTo \
params email="dbas@mycompany.com" \
subject="Pacemaker\ cluster\ status\ changed:\ "
- Clean up any errors that might have accumulated with crm:
crm resource cleanup pg_mail
- Display the status of our new email alert with crm:
crm resource status
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