Cluster FAQ
Some useful tips and tricks for managing your pacemaker cluster.
Read more →LSB Compatibility Checks script
Sometimes you want to provide high availability on a service. Unfortunately there is no resource agent available by the provider. Thus you have to use the LSB script, which is also fine. Before that …
Read more →Active/Passive failover cluster on a MySQL Galera Cluster with HAProxy (custom ocf agent)
As promised, I will use a custom ocf agent for managing my HAProxy cluster
Read more →Active/Passive failover cluster with Pacemaker on a MySQL-Galera cluster with HAProxy (LSB agent)
Here I’m going to setup high-availability features in our current infrastructure. I will add a new HAProxy node and will use pacemaker.
Read more →MAASively buggy?
Couple of days ago Canonical annonced his new tool called MAAS, Metal as a Service. It makes it easy to set up the hardware on which to deploy any service that needs to scale up and down dynamically. …
Read more →MySQL-Galera cluster with HAproxy
When I started working on Open Stack, I had to investigate about the HA of the nova component. Unfortunatly the nova configuration needed a single entry point to connect to the MySQL database. The …
Read more →MySQL multi-master replication with Galera
Setup MySQL master-master replication with Galera
Read more →Simple SSH Whitelist
SImple SSH whitelist
Read more →Fresh start
sebastien-han.fr version 2 explained.
Read more →Working with time
I’m late, I’m late, For a very important date. No time to say “Hello, Goodbye”. I’m late, I’m late, I’m late, I’m late! When you setup a new …
Read more →