Discuss NetApp NS0-521 Exam Topic 3 Question 34

A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)

AConnect host and storage ports to the same switches.

BDecrease the default queue depth on the host to eight.

CZone the host by using the host WWPNs.

DConfigure Jumbo frames In the entire data path.

Suggested Answer: A, D

To ensure the best performance in an iSCSI SAN implementation:

Connect host and storage ports to the same switches: This minimizes latency and maximizes the efficiency of data paths by ensuring direct connections within the same network segment.

Configure Jumbo frames in the entire data path: Setting a larger Maximum Transmission Unit (MTU) size reduces the overhead for processing each packet, thus improving overall network performance. Ensuring Jumbo frames are configured end-to-end in the data path is crucial for optimal performance.

For further details, check:

NetApp Best Practices for iSCSI

NetApp Community Discussion on iSCSI Performance

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12 comments · newest first

Marge 3 months ago

I’d go with A and C. Zoning helps with security and performance.

Yong 3 months ago

I agree with A, but I’m not sure about D. Jumbo frames can be tricky.

Patti 3 months ago

I think A and D are the best choices. Same switches improve speed.

Glory 3 months ago

I’m not sure about A, sometimes separate switches can help too.

Nu 3 months ago

Agreed, Jumbo frames make a huge difference!

Louisa 4 months ago

Wait, why decrease the queue depth? That sounds counterproductive.

Huey 5 months ago

I think C is also important, but A and D are key.

Bettina 5 months ago

Definitely go with A and D for best performance!

Carolann 6 months ago

I'm a bit confused about the queue depth; I thought higher values were better, but maybe lowering it helps in some cases?

Avery 6 months ago

I practiced a similar question where Jumbo frames were mentioned, so I feel confident about that option.

Gladys 6 months ago

I think connecting host and storage ports to the same switches is crucial, but I can't recall if zoning by WWPNs is also necessary.

Yuriko 7 months ago

I remember something about Jumbo frames being important for performance, but I'm not entirely sure if they should be configured everywhere.

NetApp NS0-521 Exam - Topic 3 Question 34 Discussion