An administrator needs to apply a firmware upgrade to a host and wants to manually migrate VMs before executing an LCM upgrade. All VMs but one are able to be live migrated.
Which action would fix the issue?
A.
Configure backplane port groups that are assigned to CVM.
B.
Update Link Layer Discovery Protocol (LLDP).
C.
Disable Agent VM within VM configuration options.
D.
Enable ADS (Acropolis Dynamic Scheduling) at the cluster level.
Within Nutanix VM classification, Agent VMs are special-purpose system VMs designated for infrastructure tasks. The internal definition states:
“Agent VMs are not live-migratable and do not participate in high-availability evacuation; they are excluded from standard host maintenance operations.”
If a VM is mistakenly marked as an Agent VM, the hypervisor will block all migration attempts. Disabling the Agent VM flag returns the VM to standard workload treatment, making it eligible for live migration.
Updating LLDP has no relevance to VM migration. Backplane port groups affect CVM networking only. ADS influences workload placement but not migration eligibility.
Therefore, removing the Agent VM designation is required to allow migration.
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