Severalnines Blog

Safe database change at fleet scale: canaries, maintenance waves, and recovery gates

November 6, 2026 Sebastian Insausti
A PostgreSQL minor update is about as boring as database maintenance gets. You stop the node, install the new binaries, and start it again. On one cluster, with someone watching, it rarely surprises anyone. Now do it on forty clusters at once. One of them pulls packages from a mirror...

PCI Compliance for MySQL & MariaDB With ClusterControl

November 29, 2017 Jean-Jérôme Schmidt

MySQL & MariaDB Database Backup Resources

November 10, 2017 Forrest Lymburner

HAProxy: All the Severalnines Resources

November 9, 2017 Forrest Lymburner

New ClusterControl Template for Zabbix

October 24, 2017 Ashraf Sharif