VMware ESX Server as a foundation for HA and DR for the Microsoft ...

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HA Layers: Virtual Infrastructure 3Encapsulates all guest operating systems with additional HA nototherwise obtainable in a non-virtualized datacenter.High SLAs, minimal downtime regardless of the network serviceVMotion provides guest OS level redundancy by moving running VMsbetween ESX hosts. It requires manual operation if not combined withVMware DRSVMware DRS (Distributed Resource Scheduler) will automaticallymigrate a running VM with VMotion if CPU and/or memory thresholdsare reachedVMware HA allows for automated failover in case of VMware ESX hostfailure. It provides N-to-N failover capabilities for a clusterSnapshots – Allow snapshot management for virtual machines that caneither be manually triggered or scripted. This allows for easy retrieval ofpreviously known good VM configurations
HA Layers: Application Level HASince VMware HA technologies does not have insight into the guest OS,the above problems will go unnoticed without the addition of Guest OSHA softwareVirtualCenter does not accommodate the following problems in aWindows guest operating system:Operating system failuresBad patchesBad driver upgradesViruses and spywareApplication faultsData corruption
Page 1: VMware ESX Server as afoundation fo
Page 5: IntroductionA sample architecture f
Page 11 and 12: DR LayersDR is your insurance for s
Page 13 and 14: COOPContinuity of Operations allows
Page 15 and 16: Summary of HA/DR/COOP OptionsESXRan
Page 18 and 19: Architectural Considerations: Virtu
Page 20 and 21: Summary of HA and COOP OptionsTechn
Page 22 and 23: Lessons LearnedHA, DR and COOP will

VMware ESX Server as a foundation for HA and DR for the Microsoft ...

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