Posted on Wed 17 April 2013 in presentations • Tagged with OpenStack • 1 min read
Another update on OpenStack’s progress in high availability, for the Grizzly and Havana releases. Presented at the OpenStack Summit in Portland, on April 17, 2013.
Posted on Wed 20 February 2013 in presentations • Tagged with OpenStack • 1 min read
Another update on OpenStack’s progress in high availability, for the Grizzly and Havana releases. Presented at the Swiss OpenStack User Group meetup in Zurich, on February 19, 2013.
Posted on Sun 13 January 2013 in hints-and-kinks • Tagged with Ceph, Performance • 4 min read
Posted on Tue 04 December 2012 in hints-and-kinks • Tagged with Galera, MySQL, Pacemaker • 1 min read
Once you have one instance of Galera running, and it is running on the same node that holds the temporarily-configured cluster IP (192.168.122.99 in our example), you can add your resources to the Pacemaker cluster configuration.
Create a temporary file, such as /tmp/galera.crm, with the …
Posted on Tue 04 December 2012 in hints-and-kinks • Tagged with Galera, MySQL, Pacemaker • 1 min read
In order to bootstrap your Galera cluster, manually bring up the cluster IP address on the desired interface. In this example, we’ll use 192.168.122.99 and eth1:
ip address add 192.168.122.99/24 dev eth1 label eth1:galera
And initialize the Galera cluster:
mysqld --wsrep_cluster_address …