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Planning Guide—VMware Cloud Foundation 3.x on VxRail
Executive Summary VMware Cloud Foundation on VxRail Product Overview VMware Cloud Foundation on VxRail Deployment Data Center Requirements Use Cases and High-Level Design
Use Cases and High-Level Design
Hybrid cloud or virtual desktop delivery objective
Site locations
Application availability
Cloud Foundation on VxRail Workload Planning Application Dependencies and Routing Decisions Cloud Foundation on VxRail Physical Network Planning VxRail Cluster Deployment Preparation Prepare for VMware Cloud Foundation Management VI Workload Domain Prepare for Cloud Foundation Application Virtual Network Prepare for Cloud Foundation VI Workload Domain Cloud Foundation on VxRail Footprints for Sizing Cloud Foundation on VxRail VLANs VxRail Network Configuration Cloud Builder and Management VI Workload Domain Configuration Application Virtual Network Configuration VI Workload Domain Configuration Settings NSX Routing Settings Example Switch Configuration Settings for BGP Peering

Application availability

Home > Integrated Products > VxRail > Guides > Planning Guide—VMware Cloud Foundation 3.x on VxRail > Application availability

Application availability

  • Assess and categorize the availability requirements for the sets of application planned for deployment on Cloud Foundation on VxRail.

    • If a primary objective is protection from a site-level failure with no loss of service, stretching the vSAN datastore in the VxRail cluster between sites is an option. In this configuration, synchronous I/O is supported for the virtual machines operating in the Cloud Foundation domains where a VxRail vSAN stretched cluster is present. However, there are very strict latency requirements for the network between the sites, and this option requires a third site for a ‘witness’ to monitor the stretched vSAN datastore.
    • Determine the operational recovery and disaster recovery objectives of the application sets planned for Cloud Foundation on VxRail. Certain application sets can then be placed in VI workload domains configured to support these objectives.