Refer to the exhibit. An administrator is trying to put a node into maintenance mode but receives the message shown in the exhibit. What is a potential reason for this dialog?
A.
LinuxVM1 uses a vDisks stored in a RF1 DataStore
B.
LinuxVM1 uses a Volume Group
C.
LinuxVM1 uses a virtual GPU
D.
LinuxVM1 uses a vDisks stored in a RF3 DataStore
In Nutanix AHV, if a VM’s vDisk is stored in an RF1 (Replication Factor 1) datastore, it cannot be live-migrated because RF1 provides no redundancy. If a host needs to go into maintenance mode or fails, there would be a risk of data loss for any VM on that host with RF1 storage, as there's no secondary copy of the data elsewhere in the cluster.
In this scenario, Nutanix Prism would likely prevent live migration and display a message indicating that the "VM is not live migratable" due to the lack of data redundancy. So, given the context, Option A is the correct choice for why the VM cannot be live-migrated.
correct answer appears to be A.
"What is a potential reason for this dialog?" is the key question here and if C said "LinuxVM1 uses a virtual GPU *AND is trying to migrate when no GPUs are available on another host." then that would be correct. But it doesn't say that.
A is the correct answer {If you want maintenance operations like upgrades and failure handling to be as efficient as possible, you need the ability to migrate your VMs. With AHV, you can live-migrate VMs with vGPU assignments.}
https://portal.nutanix.com/page/documents/solutions/details?targetId=TN-2038-AHV:vgpu.html
For sure the answer is A. This is listed as a feature limitation of RF1 vDisks:
https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000LUKeCAO
So this one is pretty tricky. I think it's the right answer, since none of the other options are viable. While Virtual GPUs are supported for live migrations, it's best effort and will not work if there's not enough GPU resources in the destination
https://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-vpc_2023_3:mul-vgpu-live-migrate-pc-c.html
"While Virtual GPUs are supported for live migrations" eliminates C as a possible correct answer. "It will not work if there's not enough GPU resources" isn't any more compelling than "it will not work if there's not enough memory in the destination." Neither one flags a VM is not live migrateable.
Definitely A, and the other comment's link to RF1 limitations confirms it.
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