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NetApp NS0-516 Exam - Topic 7 Question 31 Discussion

A company implemented Automatic Load Balancing (ALB). When the controller workloads are monitored, it becomes obvious that there is an imbalance and that ALB is not working correctly.In this scenario, what are two causes of the problem? (Choose two.)
C) The company implemented a host multipath driver that does not support ALB and D) The company implemented a host type that does not support ALB
A) The company implemented a load balancing min-min algorithm that does not support ALB
B) The company implemented an adaptive load balancing agent that does not support ALB

NetApp NS0-516 Exam - Topic 7 Question 31 Discussion

Actual exam question for NetApp's NS0-516 exam
Question #: 31
Topic #: 7
[All NS0-516 Questions]

A company implemented Automatic Load Balancing (ALB). When the controller workloads are monitored, it becomes obvious that there is an imbalance and that ALB is not working correctly.

In this scenario, what are two causes of the problem? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: C, D

Understand ALB Requirements: Automatic Load Balancing (ALB) in NetApp E-Series systems requires compatible host multipath drivers and host types.

Check Host Multipath Driver:

Verify if the host multipath driver installed supports ALB.

Incompatibility with the multipath driver can prevent ALB from functioning correctly, causing imbalance.

Review Host Type Compatibility:

Ensure the host types used in the configuration support ALB.

Certain host types might not be compatible, resulting in ALB malfunction.

Potential Causes:

Host Multipath Driver (C): If the multipath driver does not support ALB, it won't distribute I/O efficiently across controllers.

Host Type (D): Incompatible host types can lead to issues with ALB implementation, causing imbalances.

Steps for Resolution:

Update or replace the host multipath driver with a version that supports ALB.

Reconfigure or update the host types to ensure compatibility with ALB.


Contribute your Thoughts:

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Lilli
21 days ago
I feel like B could be a cause as well. Adaptive agents can mess things up.
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Jamal
26 days ago
I agree, A is definitely a problem. D makes sense too.
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Joaquin
1 month ago
I think A and D are the issues. Min-min algorithm can't handle ALB.
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Brandee
1 month ago
D makes sense too, if the host type isn’t compatible, it’s game over.
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Man
1 month ago
I disagree with A, I’ve seen min-min work fine with ALB before.
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Vicente
2 months ago
Wait, how can a min-min algorithm not support ALB? That sounds odd.
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Louann
2 months ago
Totally agree, A and D seem like the culprits here.
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Norah
2 months ago
I think option A is definitely a cause. Min-min algorithms can be tricky.
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Dierdre
2 months ago
I thought the multipath driver was supposed to enhance performance, but now I'm questioning if it could actually cause issues with ALB.
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Nana
2 months ago
I feel like the host type might be a factor too, but I can't recall the specifics on how it affects ALB.
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Whitney
2 months ago
I think the adaptive load balancing agent could be a problem since it might not align with ALB protocols. I saw a similar question about compatibility issues in practice.
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Jerry
3 months ago
I remember studying about load balancing algorithms, but I'm not sure if the min-min algorithm is specifically incompatible with ALB.
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