2V0-620 · Question #186
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress…
The correct answer is A. Maintenance mode is unable to migrate all virtual machines from the host. B. There is a large number of virtual machines that must be migrated from the host. A maintenance mode progress bar stuck at 2% for an extended period indicates that vSphere DRS cannot migrate all VMs off the host or that the sheer volume of VMs is causing slow progress.
Question
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)
Options
- AMaintenance mode is unable to migrate all virtual machines from the host.
- BThere is a large number of virtual machines that must be migrated from the host.
- CVMware High Availability is in the process of reconfiguring the cluster.
- DEach virtual machine on the ESXi host must be reconfigured to recognize the new adapter.
How the community answered
(56 responses)- A70% (39)
- C11% (6)
- D20% (11)
Why each option
A maintenance mode progress bar stuck at 2% for an extended period indicates that vSphere DRS cannot migrate all VMs off the host or that the sheer volume of VMs is causing slow progress.
If one or more VMs cannot be vMotioned off the host due to missing vMotion licensing, incompatible hardware, affinity rules, or powered-off VMs without shared storage, maintenance mode stalls indefinitely because it cannot evacuate the host.
When a host has a very large number of running VMs, each sequential vMotion migration adds cumulative time, which can make the progress appear stuck at a very low percentage for an extended period.
HA reconfiguration of the cluster occurs after a host successfully enters maintenance mode, not during the evacuation phase, so it would not cause the progress bar to stall at 2%.
Adding a new NIC to a host is a host-level hardware change and does not require any reconfiguration of the VMs running on it; this has no effect on the maintenance mode evacuation process.
Concept tested: ESXi host maintenance mode and vMotion evacuation behavior
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.resmgmt.doc/GUID-8F705E83-6788-42D4-93DF-63A2B892367F.html
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