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2V0-620 · Question #140

An administrator has configured an alarm to be notified when a virtual machine meets two conditions: high virtual CPU high active memory consumption The alarm is malfunctioning and triggering when…

The correct answer is A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied. A vSphere alarm that should fire only when multiple conditions are simultaneously true must use the 'Trigger if ALL conditions are satisfied' (AND logic) setting, which was incorrectly configured as ANY (OR logic).

Section 5 – Administer and Maintain vSphere

Question

An administrator has configured an alarm to be notified when a virtual machine meets two conditions:

high virtual CPU high active memory consumption The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue?

Options

  • AEdit the alarm and select Trigger if ALL of the following conditions are satisfied.
  • BEdit the alarm and select Trigger if ANY of the following conditions are satisfied.
  • CCreate two separate alarms, one for CPU and one for memory.
  • DDelete the existing alarm and create a new event based alarm.

How the community answered

(50 responses)
  • A
    78% (39)
  • B
    4% (2)
  • C
    6% (3)
  • D
    12% (6)

Why each option

A vSphere alarm that should fire only when multiple conditions are simultaneously true must use the 'Trigger if ALL conditions are satisfied' (AND logic) setting, which was incorrectly configured as ANY (OR logic).

AEdit the alarm and select Trigger if ALL of the following conditions are satisfied.Correct

Selecting 'Trigger if ALL of the following conditions are satisfied' enforces AND logic, meaning the alarm will only fire when both the high virtual CPU condition and the high active memory condition are true at the same time, which matches the intended behavior.

BEdit the alarm and select Trigger if ANY of the following conditions are satisfied.

Selecting 'Trigger if ANY of the following conditions are satisfied' applies OR logic, which is the current misconfigured state causing the alarm to fire when either condition alone is met.

CCreate two separate alarms, one for CPU and one for memory.

Creating two separate alarms would generate independent alerts for CPU and memory individually, but would not enforce the requirement that both conditions must be true simultaneously before notifying.

DDelete the existing alarm and create a new event based alarm.

Deleting the alarm and creating an event-based alarm is incorrect because event-based alarms respond to discrete vSphere events, not continuous condition monitoring of CPU and memory metrics.

Concept tested: vSphere alarm condition logic AND vs OR trigger configuration

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.monitoring.doc/GUID-B9EE4E9F-6A61-4B1B-8C99-1D3FCECAEBD0.html

Topics

#vSphere alarms#alarm triggers#CPU alarm#memory alarm

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