DRS Cluster Management with Reservation and Shares

Reservation and shares are important resource management settings in a vSphere DRS cluster. They can be set on cluster objects like VMs and resource pools to isolate resources, prioritize, and/or guarantee their availability.

To know when to set them for VMs and when to set them on resource pools, we need to understand:

  • What these settings mean.
  • How these settings can impact resource availability for a VM.

In this paper, VMware explains how these settings are different for a VM and resource pool while giving some general guidelines for using them.

drs-cluster-mgmt-perf.pdf

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