High availability tutorial (Condor Week 2006)

Adding d High Availability hyto Condor Central ManagertoorneTutorialArtyom SharovComputer Sciences DepartmentTechnion – Israel Institute of TechnologyOutline› Overview of HA design › Configuration parameters› Sample configuration files› MiscellaneousOverview of HA design($& '&%$#" ! Design highlights (HAD)› Modified version of Bully algorithm› One HAD leader + many backups› HAD as a state machine› “I am alive” messages from leader to backups› “I am leader” messages from HAD to replicationHAD state diagram )2+*" ...