IBM Systems - z/VM - IBM

IBM System zHigh Availability with z/VM• z/VM does provide a highly available environment throughfunctions such as VSWITCH plus the RAS characteristics of theSystem z architecture (spare resources)• Today, there is limited clustering support in z/VM– Cross-System Extensions provides for shared spool, shared directory,shared query and messaging – but requires additional licensedfeatures/products to fully implement– Future z/VM releases will provide for a “z/VM Hypervisor Cluster” inthe base product• We recommend two z/VM production partitions with Linux andmiddleware HA resources split between those two partitions33 CMG Canada 2009-04-14IBM Systems