VPS Database Replication – Protect your Mysql & MongoDB replication

Posted on Leave a commentPosted in linux, MongoDB, Mysql, seguridad

Long time no write a new post, I’ve been busy with new projects. In one of them a new callenge appeared…. The infraestructure consisted in two VPS hosted in different datacenters without private comunication, and with the necesity to configure a secure replication for Mysql and MongoDB. The best solution that came to my head […]

Install & Configure MySQL Cluster (Pacemaker, Corosync, DRBD, Stonith)

Posted on 3 CommentsPosted in Mysql

Ok, after explain how install and configurate drbd and vmware stonith, it’s the moment to start a new project mount a MySQL cluster. The Concept The concept of an active/passive fail-over Cluster is the following: Two servers (nodes). They communicate over a cluster software (Heartbeat, Corosync, OpenAIS) They are running on DRBD failover storage system. MySQL is only running in MASTER […]

Vmware Stonith for Linux Cluster

Posted on 3 CommentsPosted in linux, Mysql, virtualización

In this new post I’ll splain how install and configure Vmware Stonith for a new Linux Cluster. For all the people that don’t know what’s Stonith, this is the explanation by Wikipedia: STONITH (“Shoot The Other Node In The Head” or “Shoot The Offending Node In The Head”), sometimes called STOMITH (“Shoot The Other Member/Machine In The Head”), […]