VMware Cloud Foundation - Design Decision - Apply vSphere Distributed Resource Scheduler (DRS) anti-affinity rules for the vRealize Automation nodes.
Article ID: 318072
Updated On:
Products
VMware
VMware Cloud Foundation
Issue/Introduction
Design Decision - Apply vSphere Distributed Resource Scheduler (DRS) anti-affinity rules for the vRealize Automation nodes.
Resolution
Design Justification: Using vSphere DRS prevents the vRealize Automation cluster nodes from residing on the same ESXi host and risking the high availability of the deployment.
Design Implication:
You can place only a single ESXi host at a time into maintenance mode for a management cluster of four ESXi hosts.
Requires at least four physical hosts to guarantee the three vRealize Automation nodes continue to run if an ESXi host failure occurs.
This design decision is supported on VCF version 4.1 and higher.
Note: To search for additional information on this design decision please search on the design decision text in https://docs.vmware.com/. For example https://docs.vmware.com/en/search/#/%22Enable%20Network%20I%2FO%20Control%20on%20all%20distributed%20switches.%22
Design Implication:
You can place only a single ESXi host at a time into maintenance mode for a management cluster of four ESXi hosts.
Requires at least four physical hosts to guarantee the three vRealize Automation nodes continue to run if an ESXi host failure occurs.
This design decision is supported on VCF version 4.1 and higher.
Note: To search for additional information on this design decision please search on the design decision text in https://docs.vmware.com/. For example https://docs.vmware.com/en/search/#/%22Enable%20Network%20I%2FO%20Control%20on%20all%20distributed%20switches.%22
Additional Information
Please reference the VMware Cloud Foundation version you are running and if this design decision is applicable to you.
VMware Validated Design (VVD) Bill of Materials
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