- Who we are
- 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 do
- What we charge
- What others say

"DRBD" is a trademark or registered trademark of LINBIT Information Technologies GmbH. hastexo is not affiliated with the trademark owner.
iSCSI 2-node Storage Cluster
Cost Estimate
Prerequisites:
- 2 servers with sufficient resource capacities (CPU, RAM, HDD)
- One of the following distributions:
- Debian (6.0 or higher),
- Ubuntu (10.04 or higher),
- RedHat Enterprise Linux (5 or higher) or compatible or
- SUSE Linux Enterprise Server (11 SP1 or higher)
- Two independent cluster communication channels (IP network)
Included Tasks:
- Installation of DRBD
- Setup of a DRBD resource
- Installation of Heartbeat or Corosync
- Setup redundant communication paths
- Installation of Pacemaker
- Basic configuration of Pacemaker
- Consultancy concerning the best iSCSI target for the concrete setup
- Installation of the iSCSI target
- Resource setup for Pacemaker, including iSCSI
- Thorough Testing
Estimated Cost:
20 credits per node, 40 credits in total (add to cart now)
Please note: while we have compiled these estimates using our multi-year experience deploying clusters, individual configurations, and effort involved may vary. However, we'll be happy to issue a fixed-bid Statement of Work based on your individual situation. Please contact us for details.
