VMware vSphere 4.1 HA and DRS Technical Deepdive zooms in on two key components of every VMware based infrastructure and is by no means a ''how to'' guide. It covers the basic steps needed to create a VMware HA and DRS cluster, but even more important explains the concepts and mechanisms behind HA and DRS which will enable you to make well educated decisions. This book will take you in to the trenches of HA and DRS and will give you the tools to understand and implement e.g. HA admission control policies, DRS resource pools and host affinity rules. On top of that each section contains basic design principles that can be used for designing, implementing or improvingVMware infrastructures.Coverage includes: - HA node types - HA isolation detection and response - HA admission control - VM Monitoring - HA and DRS integration - DRS imbalance algorithm - Resource Pools - Impact of reservations and limits - CPU Resource Scheduling - Memory Scheduler - DPM