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A vSphere administrator finds a HA/DRS cluster status has turned RED indicating a degraded state.
What is the likely reason for the indication?
A. The cluster enabled for HA has lost resources and is unable to fulfill its failover requirements.
B. The cluster does not have enough resources to satisfy the reservations of all resource pools and virtual machines.
C. Incompatible CPU generations between hosts are preventing DRS migrations.
D. The cluster is currently electing a Master host and is unavailable to perform HA functions.
Correct Answer: A
Explanation/Reference:
Explanation:
A: When monitoring DRS behavior, the Hardware status tab will monitor the host health and this is displayed in different colors. If a component is functioning normally, the status indicator is green. The status indicator changes to yellow or red if a system component violates a performance threshold; or is not functioning properly. Generally, a yellow indicator signifies degraded performance. A red indicator signifies that a component stopped operating or exceeded the highest threshold. If the status is blank, then the health monitoring service cannot determine the status of the component. Thus the option that indicates that the HA cluster has lost its resources best describes why the health indicator is displaying red.
Incorrect Answers:
B: Not enough resources will result in a yellow display.
C: This situation would not yield a red health status on the cluster since the cluster would then be non-functional and cannot be determined.
D: With the cluster unavailable to perform a availability functions will render a blank health display because it will not be able to determine the status.
References:
https://pubs.vmware.com/vsphere-50/index.jsp#com.vmware.vsphere.monitoring.doc_50/GUID-28665E56-DEC2-462D-ABF4-35E64CE51A6B.html