How to enable VMWare Distributed Resource Scheduler (DRS)

How to enable VMWare Distributed Resource Scheduler (DRS)

In this post, we’ll learn the steps to enable VMWare Distributed Resource Scheduler on vCenter Server 6. Vmware Distributed Resource Scheduler is used to automated load balance computing capacity to deliver optimized performance for hosts and virtual machines. Once Distributed Resource Scheduler is configured it automatically manages the load of ESXi Serves. DRS hot migrate the running Virtual Machine from over loaded VMWare ESXi host to another less loaded VMWare ESXi host without disrupting services (steps to configure vMotion). It’s a great feature that helps in reducing management efforts of monitoring and managing infrastructure.

DRS also gives you an option to define affinity and anti-affinity rules which tells the vSphere hypervisor environment to either keep virtual machines together or host them on separate hypervisors. Before we enable VMWare Distributed Resource Scheduler (DRS), please ensure that a VMWare Cluster is created and we have more than one ESXi servers in that Cluster. In addition to that, please ensure that vMotion is configured and all the Virtual Machines are hosted on Shared Storage.

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