1. 12-1 VMware HA in Action VC Server ESX Server Virtual Machine B Virtual Machine C ESX Server Virtual Machine D Virtual Machine A Virtual Machine E Virtual Machine F ESX Server Virtual Machine B Virtual Machine A Topic 2: High Availability (HA) AAM 2

2. 12-2 Host Isolation Switch ESX Server Virtual Machine B Virtual Machine C ESX Server Virtual Machine D Virtual Machine A Virtual Machine E Virtual Machine F ESX Server Virtual Machine B Virtual Machine A Topic 2: High Availability (HA) AAM Network problems can create host isolation conditions VMware HA waits 15 seconds before determining host isolation – This interval is configurable in Advanced Options under HA Settings ( das.failuredetectiontime = # of milliseconds, 15000 is the default) Two Isolation Response Choices Power Off VMs so new host(s) can power them on or Leave VMs Powered (locked) 3

3. 12-3 Chapter 12 Review Questions 1. In VirtualCenter 2.5, HA requires which to function properly. A. VMotion between ESX hosts B. VMkernel port configured for VMotion C. Exactly matching CPUs D. VMware Tools E. A valid license file supporting HA 2. In VMware ESX 3.5, for VMware Consolidated backup (VCB) to function properly, VMware requires that it be installed on a separate physical server running Windows Server 2003. TrueFalse 3. Using VMware Consolidated backup (VCB) which of the following types of backups can be performed?(select all that apply) A. Windows Full Virtual Machine backups B. Linux Full Virtual Machine backup C. Windows File backups D. Linux File backups 4. In VMware ESX 3.5, VMware Consolidated backup (VCB) has a graphical interface that integrates with VirtualCenter 2.5 and simplifies all your backup tasks. TrueFalse