Which two events can generate an alert indicating that multiple VMs are on a single node?

When a node is set to maintenance mode in a three-node cluster, it triggers specific alerts indicating that the operational state of the cluster is being altered. This is because putting a node into maintenance mode means that its resources are no longer available for virtual machines (VMs) that rely on that node. In a three-node configuration, losing a node in this manner results in multiple VMs potentially being over-consolidated on the remaining nodes, which can strain their resources and compromise performance. Therefore, the system generates an alert to signal that multiple VMs are now hosted on fewer nodes than designated, highlighting a potentially critical situation that needs attention.

The other scenarios listed, such as a node failing or the cluster undergoing an upgrade, do not explicitly signal the overstretching of resources in the same manner. When a node fails, it typically leads to lost resources rather than directly alerting about VM distribution. During upgrades, the system manages resources to maintain VM availability, focusing on seamless operation rather than just alerting about VM density on nodes. In the case of deploying a Nutanix file with multiple hypervisor VMs, while this may create resource challenges, it does not automatically generate an alert related to multiple VMs being on a single node in the