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Question 185 - NS0-520 discussion

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You have a two node Netapp ONTAP cluster that is hosting FC LUNs for 90 SAN hosts. The hosts are experiencing occasional performance problems and receiving QFULL responses from the cluster nodes. Which action would solve this issue?

A.
Increase the queue depth on the target ports
Answers
A.
Increase the queue depth on the target ports
B.
Configure additional FC target ports
Answers
B.
Configure additional FC target ports
C.
Increase the queue depth on the initiator ports
Answers
C.
Increase the queue depth on the initiator ports
D.
Configure additional FC ports on the hosts
Answers
D.
Configure additional FC ports on the hosts
Suggested answer: B

Explanation:

Adding more FC initiators on host will not solve this bottle-neck situation, we can try to increase the queue depth but we need the number of hosts and the number of target ports to calculate it correctly.

We need to add more FC target ports on our storage to keep the load balanced and distributed You can find more information on this link

https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-sanconf%2FGUIDA055B184-0876-4376-9C75-35FE8C9BE832.html

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asked 23/09/2024
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