7.1.5 Backup/Disaster Recovery Target
vSAN storage can also provide a low-cost disaster recovery solution, enabled through features such as vSphere Data Protection and vSphere Replication that allow you to back up and replicate to any storage platform. This also allows the utilization of low-cost local storage to reduce costs but still provide a reliable solution.
When implementing a vSAN design for backup/disaster recovery target environments, there are specific design considerations to take into account, even if the target storage is not required to match the active site. The following considerations must be taken into account:
• Normally backup/disaster recovery target workloads are a capacity workload type, where the recommended design services the need for capacity on the storage volumes. In addition, availability is also important, so there will typically be more replicas to make sure that the environment is recoverable.
• Performance of the destination storage is important to consider. There is no single recommendation, however, the time to recover the service can depend on the response time for those virtual machines to be powered on.
• The storage policies are not guaranteed on the recovery site if the storage destination is something other than vSAN.