2V0-621D · Question #243
An administrator has configured a cluster with the Host Failures Cluster Tolerates admission control policy, as shown in the Exhibit: Based on the exhibit, which two statements are true? (Choose two.)
The correct answer is B. The cluster can sustain loss of only one node. C. The number of slots per cluster node is three. Based on the Host Failures Cluster Tolerates policy, the cluster is configured to withstand one host failure, with each node providing resources for three virtual machine 'slots'.
Question
An administrator has configured a cluster with the Host Failures Cluster Tolerates admission control policy, as shown in the Exhibit:
Based on the exhibit, which two statements are true? (Choose two.)
Exhibit
Options
- AThe number of slots per cluster node is four.
- BThe cluster can sustain loss of only one node.
- CThe number of slots per cluster node is three.
- DThe cluster can sustain the loss of two nodes.
How the community answered
(51 responses)- A18% (9)
- B73% (37)
- D10% (5)
Why each option
Based on the Host Failures Cluster Tolerates policy, the cluster is configured to withstand one host failure, with each node providing resources for three virtual machine 'slots'.
If the number of slots per cluster node were four, it would contradict the correct calculation derived from the cluster's resource and VM reservation settings.
If the cluster can sustain the loss of only one node, the 'Host Failures Cluster Tolerates' admission control policy must have been configured to a value of '1' for the number of allowed host failures.
The number of slots per cluster node is determined by dividing the host's available resources (CPU and memory) by the largest configured VM reservation (slot size), indicating that the exhibit's values resulted in three slots per host.
If the cluster could sustain the loss of two nodes, it would directly contradict the setting of the 'Host Failures Cluster Tolerates' policy, which specifies only one node loss.
Concept tested: vSphere HA admission control and slot calculation
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.ha.doc/GUID-C3B7AE33-DA36-4791-B139-8622114F2ED9.html
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