VMwareESX cluster allows you to configure the following features:
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High Availability — VMware High Availability (HA) provides high availability to any application running in a virtual machine, thereby decreasing downtime and reducing risk.
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Automated performance load balancing — VMware Distributed Resource Scheduler (DRS) aggregates computing capacity across a collection of servers into logical resource pools and allocates available resources among the virtual machines. This is based on pre-defined rules as per business needs and changing priorities.
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Automated power conservation — VMware Distributed Power Management (DPM), included with VMware DRS, automates power management and minimizes power consumption across the collection of servers in a VMware DRS cluster.
Note:These features are dependent on automated VMware vMotion technology for its operation.
Discovery and monitoring of VMwareESX clusters includes the ability to:
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Discover and create topology for VMwareESX clusters and its relationship to Virtual Datacenter and ESX servers.
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Generate alerts whenever the automated vMotion is due to HA.
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Generate alerts whenever the automated vMotion is due to DRS.