Differences between active-active and active-passive cluster
Common thoughts and working of clustering forms. Pick up from the Sybase HA documentation. Good reminder :-)
Connection state of a NIC
Sometimes you want to know if the network cable is plug but you don’t want to go to the server room.
OpenStack High Availability: RabbitMQ
Rabbitmq has his own buildin cluster management system. Here, we don’t need Pacemaker, everything is managed by RabbitMQ itself.
OpenStack High Availability 1/??
First article of a long serie to build an highly available OpenStack platform. This one is more a state of art about the OpenStack HA.
Active/Passive failover using Keepalived on a MySQL Galera cluster with HAProxy
The simplest and the quickest implementation of heartbeat check.
The War for Open Source Clouds
Little study about the recent release of CloudStack as Apache Licence. Little battle between OpenStack and CloudStack, FIGHT!
MAASive round 2
Finally, Ubuntu 12.04 came out! And I was pretty excited to re-try MAAS. Good news! This time, I was able to go further!
Open Source History
Always good to remenber!
Failover active/passive on NFS using Pacemaker and DRBD
Bring High-availability to your NFS server!
Simply audit a pacemaker based cluster
Simply audit a cluster platform based on pacemaker.