- What we know
- What we've created
- Hints and Kinks
- Checking Corosync cluster membership
- Configuring radosgw to behave like Amazon S3
- Downgrading to DRBD 8.3
- Fencing in Libvirt/KVM virtualized cluster nodes
- Fencing in VMware virtualized Pacemaker nodes
- GFS2 in Pacemaker (Debian/Ubuntu)
- Interleaving in Pacemaker clones
- Maintenance in active Pacemaker clusters
- Managing cron jobs with Pacemaker
- Mandatory and advisory ordering in Pacemaker
- Migrating virtual machines from block-based storage to RADOS/Ceph
- Network connectivity check in Pacemaker
- OCFS2 in Pacemaker (Debian/Ubuntu)
- Solid-state drives and Ceph OSD journals
- Solve a DRBD split-brain in 4 steps
- Testing Pacemaker clusters
- Totem "Retransmit List" in Corosync
- Turning Ceph RBD Images into SAN Storage Devices
- Which OSD stores a specific RADOS object?
- Presentations
- Die eigene Cloud mit OpenStack Essex (German, LinuxTag 2012)
- Fencing (LCE 2011)
- GlusterFS in HA Clusters (LCEU 2012)
- GlusterFS und Ceph (German, CeBIT 2012)
- Hands-On With Ceph (LCEU 2012)
- High Availability Update (OpenStack Summit Fall 2012)
- High Availability in OpenStack (CloudOpen 2012)
- High Availability in OpenStack (OpenStack Conference Spring 2012)
- Highly Available Cloud: Pacemaker integration with OpenStack (OSCON 2012)
- Mit OpenStack zur eigenen Cloud (German, CLT 2012)
- Mit OpenStack zur eigenen Cloud (German, OSDC 2012)
- More Reliable, More Resilient, More Redundant (OpenStack Summit April 2013)
- MySQL HA Deep Dive (MySQL Conference 2012)
- MySQL High Availability Deep Dive (PLUK 2012)
- MySQL High Availability Sprint (PLUK 2011)
- OpenStack Essex im Praxistest (German, Linuxwochen Wien 2012)
- OpenStack High Availability Update (Grizzly and Havana)
- Roll Your Own Cloud (LCA 2011)
- Storage Replication in HPHA (LCA 2012)
- Zen of Pacemaker (LCA 2012)
- Technical documentation
- News releases
- Hints and Kinks
- What we charge
- What others say

Available Discounts
We have a very attractive volume discount model — the more Credits you buy, the cheaper they get. Take a look!
| # of Credits on order | Volume discount | Ideal for |
|---|---|---|
| less than 20 | None | Quick help! |
| 20-39 | 5% | Availability Checkup, Classroom Training (single attendee) |
| 40-79 | 10% | 1 day On-Site |
| 80-159 | 15% | Custom Training |
| 160-319 | 20% | 1 week On-Site, Classroom Training (multiple attendees) |
| 320-639 | 25% | Complex projects, OEM Consultancy |
| more than 640 | 30% | Long-Term Partnership |
Discounts are not limited to a specific type of service. Say you're booking on-site consultancy combined with classroom training, and both combined put your number of purchased credits in the 80+ bracket, you're eligible for a 15% discount on everything!
Additional discounts are available for non-profit and charitable organizations. Please contact us for details.
