1. VM Monitoring and Guest Clustering with Windows Server 2012 Luke Notley Technical Consultant – Red Ember VIR324

7. Virtual Machine Management Service Any NT Service For instance: SQL, IIS, Print Spooler, Exchange Services System, Application, Security Logs Customized applications using ETW logging Events

8. Host Guest Cluster Service COM Interface Task Scheduler VM Resource DLL Event Log Service Control Mgr Hosted Service Hyper-V WMI Provider VMBus

9. Service Process Fails in Guest SCM Logs Event 7034 (Failure not handled by SCM) SCM Logs Event 7034 (Failure not handled by SCM) Task Scheduler launches custom task Custom task calls VM Monitoring COM API GuestInCriticalState WMI property set by heart-beating over VMBus VM Resource detects secondary failure during IsAliveEx() Cluster service Failure handling policy VM Resource Offlined VM resource Onlined OR Moved to another Node

10. SAN

14. PowerShell: Set-NetFirewallRule -DisplayGroup "Virtual Machine Monitoring" -Enabled True

17. Add-ClusterVMMonitoredItem –vm –service spooler

19. demo VM Monitoring – Cluster Manager Configuration

22. demo VM Monitoring – In Guest Configuration

29. PropertyDefaultAction RetryPeriod RetryThreshold 15 min 1 failure VM failover – Failures exceeds RetryThreshold RetryPeriodOnFailure1 hourVM left in failed state on last node FailoverPeriod FailoverThreshold 6 hours (Nodes – 1) Fails over to at most FailoverThreshold nodes IsAlivePollInterval1 minute Polling for embedded failures Restart VM RetryPeriod RetryThreshold Restart VM RetryPeriod RetryThreshold Failover VM FailoverPeriod Failover VM FailoverPeriod Terminal State RetryPeriodOnFailure RetryThreshold Terminal State RetryPeriodOnFailure RetryThreshold Reference: Failover Cluster Properties http://msdn.microsoft.com/en-us/library/aa369122(v=VS.85).aspxhttp://msdn.microsoft.com/en-us/library/aa369122(v=VS.85).aspx

32. iSCSI Cluster

33. iSCSI Target 1 Target 2

35. FC Target 1 Target 2

40. Server AServer BServer C Live Migrate WWN 1 WWN 2 WWN 1

48. demo Guest Clustering

50. Find Me After this session at the Speaker Community Lounge WSV325 - WS2012 File and Storage Services Management – Jeff Alexander WSV326 - The Path to Continuous Availability with WS2012 – Luke Notley WSV332 - Cluster-Aware Updating & the New Generation of WSUS – Orin Thomas