Blog Archive 2013 Nova: archive deleted rows May 23 2013 Deploy a Ceph MDS server May 13 2013 Use existing RBD images and put it into Glance May 07 2013 HA from DevOops side: OpenStack summit video May 06 2013 Ceph and Cinder multi-backend Apr 25 2013 Play with Ceph - Vagrant Box Apr 22 2013 Some Ceph experiments Apr 17 2013 See you at the OpenStack summit Apr 11 2013 Openstack: quickly fix mirrored queues errors Apr 09 2013 Ceph Puppet Modules Mar 25 2013 Grizzly availability zones Mar 18 2013 Ceph: change PG number on the fly Mar 12 2013 MySQL and general logs Feb 21 2013 OpenStack: override DHCP information sent by DNSMASQ to a VM Feb 18 2013 Purge some MySQL binary logs Feb 15 2013 Mount a specific pool with CephFS Feb 11 2013 Ceph geo-replication (sort of) Jan 28 2013 OpenStack Nova and availability zones Jan 24 2013 Ceph and memory profiling Jan 17 2013 Sound problems with Chrome 24 on Mac OS X 10.8.2 Jan 15 2013 Disable CephX for v0.55 and higher Jan 11 2013 OpenStack maintenance mode Jan 09 2013 Logging in Ceph Jan 07 2013 Happy New Year 2013 Jan 06 2013 2012 Christmas break Dec 21 2012 Where does my instance run? Dec 20 2012 NFS attribute caching performance impact on web applications Dec 18 2012 Cleanup keystone tokens Dec 12 2012 OpenStack: perform consistent snapshots Dec 10 2012 Ceph: manage storage zones with CRUSH Dec 07 2012 Openstack and rsyslog Dec 05 2012 Ceph and MDS Dec 03 2012 Last friday failover and Stonith were evil… Nov 26 2012 Make your RBD fly with flashcache Nov 15 2012 Tip: OpenStack Retrieve usage statictics Nov 09 2012 Tip: lock an instance against admin permissions Nov 07 2012 Tip: Add a specific keypair to a flavor Nov 05 2012 Manage your symlinks with Pacemaker Nov 01 2012 Optimized your SSD Oct 29 2012 Ceph: inject configuration without restart Oct 22 2012 Highly Available LVS Oct 19 2012 Sorry I’m French… Oct 17 2012 Ceph: placement groups Oct 15 2012 Galera arbitrator resource agent Oct 10 2012 Delete a VM in error state (Folsom) Oct 08 2012 Xtradb/Galera and bonded interface Oct 05 2012 Introducing ceph-deploy Oct 02 2012 Quantum plugin comparison Sep 28 2012 From nova-network to quantum Sep 25 2012 Openstack: memory overcommit Sep 22 2012 Openstack: play with quota Sep 19 2012 Pacemaker load-balancing with Clone Sep 16 2012 Inktank’s guys are awesome Sep 13 2012 Fencing LXC containers with STONITH Sep 11 2012 Make a volume persistent on reboot Sep 07 2012 Why should you use Galera? Sep 03 2012 Ceph cli output analysis Aug 31 2012 Setup Galera with SST XtraBackup method Aug 29 2012 Ceph benchmarks Aug 26 2012 Ceph: maintenance mode, use case and common operations Aug 17 2012 Ceph admin socket Aug 14 2012 Ceph tip: build your monitor map Aug 09 2012 Multi MySQL instances with Galera Aug 06 2012 OpenStack: Auto assign floating IP Aug 03 2012 Corosync: Redundant Ring Protocol Aug 01 2012 Tip Ceph: public/private network configuration Jul 29 2012 Broken rake after update to Mountain Lion Jul 26 2012 Tip: watch your nova log at the same time Jul 23 2012 Make the network of your VMs fly with the virtio driver Jul 19 2012 RBD objects analysis Jul 16 2012 OpenStack block migration Jul 12 2012 Play with OpenStack instance metadata Jul 11 2012 Delete a VM in an error state Jul 10 2012 Management server Jul 09 2012 NFS over RBD Jul 06 2012 Remove a MDS server from a Ceph cluster Jul 04 2012 Download a Glance image from RBD Jul 03 2012 OpenStack: Nova components HA Jul 02 2012 OpenStack: Glance and Keystone HA Jun 28 2012 Use RBD on a client Jun 24 2012 Setup Cloud Pipe VPN in OpenStack Jun 20 2012 Introducing FlashCache Jun 17 2012 Delete a tenant in OpenStack Jun 14 2012 Introducing Ceph to OpenStack Jun 10 2012 Managing Open Source Cloud Platforms Jun 05 2012 Differences between active-active and active-passive cluster May 26 2012 Connection state of a NIC May 22 2012 OpenStack High Availability: RabbitMQ May 21 2012 OpenStack High Availability 1/?? May 17 2012 Active/Passive failover using Keepalived on a MySQL Galera cluster with HAProxy May 13 2012 The War for Open Source Clouds May 08 2012 MAASive round 2 May 04 2012 Open Source History May 01 2012 Failover active/passive on NFS using Pacemaker and DRBD Apr 30 2012 Simply audit a pacemaker based cluster Apr 27 2012 Respawn a pacemaker cluster Apr 26 2012 DRBD split-brain in Pacemaker Apr 25 2012 Cluster FAQ Apr 24 2012 LSB Compatibility Checks script Apr 22 2012 Active/Passive failover cluster on a MySQL Galera Cluster with HAProxy (custom ocf agent) Apr 19 2012 Active/Passive failover cluster with Pacemaker on a MySQL-Galera cluster with HAProxy (LSB agent) Apr 15 2012 MAASively buggy? Apr 11 2012 MySQL-Galera cluster with HAproxy Apr 08 2012 MySQL multi-master replication with Galera Apr 01 2012 Simple SSH Whitelist Mar 22 2012 Fresh start Mar 19 2012 Working with time Mar 19 2012 Mise en place d’Orchestra Mar 15 2012 Configurer un Honeypot SSH Mar 07 2012 Redis: cache backend pour Magento Mar 01 2012 Tips: Installation silencieuse d’Ubuntu Server Feb 15 2012 Introduction à Juju avec LXC Feb 07 2012 Benchmark rapides sur un serveur Feb 01 2012 Tips: Hardening SSH Jan 15 2012 OpCode cache: XCache pour Magento Jan 03 2012 2011 Tips: 5 astuces Bash – 5 Dec 15 2011 Serveur Memcached pour Magento Dec 01 2011 Tips: 5 astuces Bash – 4 Nov 15 2011 Serveur Varnish pour Magento Nov 03 2011 Authentification SSH forte par deux facteurs avec Google Authenticator Oct 22 2011 Tips: 5 astuces Bash – 3 Oct 15 2011 Optimisation diverses pour Magento Oct 02 2011 Tips: 5 astuces Bash – 2 Sep 15 2011 Configuration de Nginx sous Magento Sep 12 2011 Tips: 5 astuces Bash – 1 Aug 15 2011 Introduction au stockage en entreprise Aug 10 2011 Tips: reset mot de passe root MySQL Aug 02 2011 Culture G: Scalability Jul 20 2011 RAID Over IP en mode Actif/Passif sur un failover cluster Jul 18 2011 Introduction au cluster sous Linux Jul 04 2011 Introduction au RAID sous Linux Jun 27 2011 Pourquoi avoir un NAS chez soi ? Jun 26 2011 Tour d’horizon sur SSH May 16 2011 Introduction à la virtualisation Apr 12 2011 Live USB Apr 06 2011 Les XaaS et types de Cloud Mar 19 2011 Google Apps for Business Mar 19 2011 Les IaaS Mar 19 2011 Les PaaS Mar 16 2011 Les SaaS Mar 16 2011 Le Cloud Computing Feb 21 2011
Active/Passive failover cluster on a MySQL Galera Cluster with HAProxy (custom ocf agent) Apr 19 2012
Active/Passive failover cluster with Pacemaker on a MySQL-Galera cluster with HAProxy (LSB agent) Apr 15 2012