Case Studies
Doppelganger
by John Vossler
Develop an economical method to provide non-realtime
synchronization of UNIX and Linux
systems over either a LAN or WAN. The
synchronized systems to be used as
backups in the event of equipment
failure or a site wide disaster. This
project used developed code and required
no additional hardware, software or
licenses.
Stretched Clusters - Eliminating the Need for Disaster
Recovery
by John Vossler
Clustering servers for HA (High Availability)
has been with us for several decades. The basic concepts have not changed during
that time but the tools for implementing clusters have matured considerably. The
one basic characteristic of clusters that is only now being changed by the IT
industry is the physical geographic footprint of the cluster...
[more...]
