"These steps help you implement Xen virtual server high
availability using the IBM System Director Virtual Availability
Manager. These steps are based on IBM Blade Server HS21 and IBM
"To start, you need three HS21 blade servers that have been
installed with SUSE Linux 10 SP1. The shared storage should be
configured for two of the three blade servers, blade2 and blade3,
and the shared storage space should be bigger than 19GB."