As shown in the exhibit, a customer's environment is configured as follows: Dual X-Brick cluster 8 ESXi hosts with 2 HBAs Each ESXi hosts has 8 LUNs Each LUN is visible through 4 paths What should…

The correct answer is C. 256. The queue depth is per LUN, and not per initiator. Here there are 64 LUNs, each visible through 4 paths, which would indicate that 256 is a good choice for the queue depth setting. Note: As a general advice, for optimal operation with XtremIO storage, consider the following…

Optimize and Troubleshoot XtremIO Deployments

Question

As shown in the exhibit, a customer's environment is configured as follows:

Dual X-Brick cluster 8 ESXi hosts with 2 HBAs Each ESXi hosts has 8 LUNs Each LUN is visible through 4 paths What should be the host queue depth setting per path?

Exhibit

Options

A64
B128
C256
D1024

How the community answered

(33 responses)

A
3% (1)
B
18% (6)
C
73% (24)
D
6% (2)

Explanation

The queue depth is per LUN, and not per initiator. Here there are 64 LUNs, each visible through 4 paths, which would indicate that 256 is a good choice for the queue depth setting. Note: As a general advice, for optimal operation with XtremIO storage, consider the following: Set the queue depth to 256.

Topics

#queue depth#ESXi HBA#path count#performance tuning

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