For faultless failover or failback to the recovery region, verify that your environment satisfies the requirements for an SDDC configuration capable of failover or failback.

Table 1. Failover or Failback Prerequisites

Prerequisite

Value

Compute

The compute infrastructure in the recovery region must mirror the compute infrastructure in the protected region.

Storage

  • The storage configuration and capacity in the recovery region must mirror the storage configuration and capacity in the protected region.

  • Shared datastore space on the management pod with enough capacity must be available for all VMs of vRealize Automation and vRealize Operations Manager.

External services

Provide the following services in the recovery region. See External Service Dependencies from the Planning and Preparation documentation.

  • Active Directory

  • DNS

  • NTP

  • SMTP

  • Syslog

Virtual infrastructure

  • ESXi, vCenter Server, and NSX for vSphere mirrored in the protected region

  • Site Recovery Manager and vSphere Replication deployed in both regions and paired

  • NSX Edge devices for North-South routing deployed and configured in both regions

  • Universal distributed logical router deployed and configured

  • NSX load balancer deployed and configured in both regions