Report for vSphere and Hyper-V listing machines without coverage; a VM is considered covered when a usable replica or backup point exists inside the RPO.
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Terms in this definition
- vSphere
VMware's platform for virtualisation, made up of vCenter and ESX hosts, supplying compute for VCF clusters.
- Hyper-V
The hypervisor built into Windows. The VMs for the Azure Extended Network appliance require the Hyper-V role, using nested virtualisation, and an external virtual switch for each NIC.
- Azure AI Search replica
Additional copy of a search service's engine and indexes. Replicas spread queries for load balancing and improve availability, so adding them is the fix when queries are throttled with HTTP 503.
- RPO
Recovery point objective: how much data, expressed as time, you can afford to lose. In a VM backup policy the smallest achievable RPO is the backup frequency.
Related terms
- Capacity deduplication
A storage container option that removes repeated data blocks on disk, available with at least three nodes. Replication of protected VMs slows down when it is enabled.
- Cross-hypervisor disaster recovery
Bringing protected VMs back up on another hypervisor, from ESXi to AHV or the other way round, using replicated snapshots. Every VM involved must have NGT installed.
- primary host
The HA host elected to talk to vCenter and keep watch on protected VMs and secondary hosts; mounting the most datastores helps a host win.