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Planning Guide—VMware Cloud Foundation 4.x on VxRail
Executive summary VMware Cloud Foundation on VxRail VMware Cloud Foundation on VxRail Requirements and Use Cases VMware Cloud Foundation on VxRail Workload Domain Planning Data Center and Network Requirements Cloud Foundation on VxRail High-Level Design Decisions
Introduction
Consolidated vs standard architecture
Multi-Availability Zones
Multi-Region architecture
Remote edge site considerations
Architecture and design considerations
Cloud Foundation on VxRail Workload Planning Cloud Foundation on VxRail Licensing Planning Cloud Foundation on VxRail Physical Network Planning Cloud Foundation on VxRail Physical Network Preparation VxRail Cluster Deployment Preparation Prepare for VMware Cloud Foundation Management VI Workload Domain Prepare for Cloud Foundation VI Workload Domain Prepare for NSX-T Edge Gateway Services Prepare for Cloud Foundation Application Virtual Network Cloud Foundation On VxRail Housekeeping Tasks Appendixes

Multi-Availability Zones

Multi-Availability Zones

  • A multi-available architecture offers additional protection above a standard or consolidated architecture. Each availability zone is isolated from other availability zones to prevent a data center or site failure, and to prevent the propagation of a failure across zones.

    Figure 22.    Multi-Available Zone architecture

    The nodes supporting the underlying VxRail cluster are installed and cabled in racks in two isolated zones, and a single VxRail stretched cluster is configured with the nodes in the two zones. The vSAN datastore in this architecture is stretched across both zones with I/O synchronized across sites to ensure no data loss in the event of an outage.

    The network between the two zones must offer low latency (less than 5 ms) and sufficient bandwidth (minimum 10 Gbps) between the zones. Therefore, availability zones can protect against a wide scale outage in a metro area, or more simply, two safety or fire sectors in the same large-scale data center.