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Question 15 - D-XTR-DS-A-24 discussion

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A customer's environment is configured as follows:

. Dual X-Brick cluster

. 8 ESXi hosts with 2 Emulex HBAs

. Each ESXi hosts has 8 LUNs

. Each LUN is visible through 4 paths

What should be the LUN queue depth setting per path?

A.
128
Answers
A.
128
B.
64
Answers
B.
64
C.
256
Answers
C.
256
D.
1024
Answers
D.
1024
Suggested answer: A

Explanation:

The LUN queue depth setting per path in a customer's environment configured with a dual X-Brick cluster, 8 ESXi hosts with 2 Emulex HBAs, each ESXi host having 8 LUNs, and each LUN visible through 4 paths, should be set to 1281.

This is based on the best practice recommendation for Emulex HBAs in an XtremIO environment, as mentioned in the Dell Community1. The LUN queue depth on the Emulex HBA should be set to 1281. However, this setting might need to be adjusted based on the specific storage environment and the other storage arrays that are being used12.

asked 16/09/2024
CHING SHENG WU
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