A user has configured Auto Scaling with the minimum capacity as 2 and the desired capacity as 2. The user is
trying to terminate one of the existing instance with the command:
as-terminate-instance-in-auto-scaling-group<Instance ID> –decrement-desired-capacity
What will Auto Scaling do in this scenario?
A.
Terminates the instance and does not launch a new instance
B.
Terminates the instance and updates the desired capacity to 1
C.
Terminates the instance and updates the desired capacity and minimum size to 1
D.
Throws an error
Explanation:
The Auto Scaling command as-terminate-instance-in-auto-scaling-group <Instance ID> will terminate the
specific instance ID. The user is required to specify the parameter as –decrement-desired-capacity. Then Auto
Scaling will terminate the instance and decrease the desired capacity by 1. In this case since the minimum size
is 2, Auto Scaling will not allow the desired capacity to go below 2. Thus, it will throw an error.
D. Throws an error because minimum capacity is 2 and it’s already at minimum capacity so it can not terminate any instances.
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It should be c
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C
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Just tested, [D] is a correct answer.
# aws autoscaling terminate-instance-in-auto-scaling-group –instance-id i-12345 –should-decrement-desired-capacity
An error occurred (ValidationError) when calling the TerminateInstanceInAutoScalingGroup operation: Currently, desiredSize equals minSize (2). Terminating instance without replacement will violate group’s min size constraint. Either set shouldDecrementDesiredCapacity flag to false or lower group’s min size.
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How mqny of these questions did you see on exam?
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Many*
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d
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D
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0