NetApp Exam NS0-520 Topic 2 Question 61 Discussion

Actual exam question for NetApp's NS0-520 exam

Question #: 61
Topic #: 2

You are designing a new 4-node AFF A400 SAN cluster with 20 ISCSI hosts. Each AFF A400 node will have four data LIFs. Each ISCSI host needs to access every LUN over two LIFs per node on every

SAN node.

In this scenario, which Netapp SAN feature enable this connectivity?

APort sets

BHBA queue depth

CSelective LUN mapping

DAsymmetric namespace

Show Suggested Answer

Suggested Answer: A

SLM will choose 4 LIFs per node, being 8 LIF total (owner and HA partner), enabling portsets will help to limit the ports per node... that way we can stablish only 2 LIF per node.

Creating port sets and binding igroups to port sets

In addition to using Selective LUN Map (SLM), you can create a port set and bind the port set to an igroup to further limit which LIFs can be used by an initiator to access a LUN. If you do not bind a port set

to an igroup, then all of the initiators in the igroup can access mapped LUNs through all of the LIFs on the node owning the LUN and the owning node's HA partner.

You can find more information on this link:

https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-sanag%2FGUID-5CC27202-A43F-429F-AB13-C70E7CD58E09.html

by Rolf at Jun 21, 2024, 07:05 PM

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Aileen

4 months ago

D) Asymmetric namespace seems like a good option, but it's not the right feature for this scenario. I think C) is the way to go.

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Kristin

2 months ago

C) Selective LUN mapping

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Carol

2 months ago

B) HBA queue depth

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Josephine

3 months ago

A) Port sets

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Eve

3 months ago

C) Selective LUN mapping

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Cathrine

3 months ago

B) HBA queue depth

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Marylyn

3 months ago

A) Port sets

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Lisbeth

4 months ago

Selective LUN mapping? More like selective lunch mapping, am I right? *chuckles*

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Jeannine

3 months ago

C) Selective LUN mapping

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Rolande

4 months ago

A) Port sets

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Delpha

4 months ago

I see, let's discuss the rationale behind each option to figure out the correct answer.

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Georgeanna

4 months ago

I'm not sure, but I think it might be D) Asymmetric namespace.

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Melynda

4 months ago

I disagree, I believe the correct answer is C) Selective LUN mapping.

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Delpha

4 months ago

I think the answer is A) Port sets.

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Antonio

5 months ago

C) Selective LUN mapping is the correct answer. It allows you to control which LUNs are visible to specific hosts, ensuring each ISCSI host can access the required LUNs.

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Orville

4 months ago

C) Selective LUN mapping

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Francis

4 months ago

B) HBA queue depth

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Deane

5 months ago

A) Port sets

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