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Dell EMC Exam D-XTR-DS-A-24 Topic 3 Question 18 Discussion

Actual exam question for Dell EMC's D-XTR-DS-A-24 exam
Question #: 18
Topic #: 3
[All D-XTR-DS-A-24 Questions]

When troubleshooting SAN performance problems what would be a key indicator of a physical issue?

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Suggested Answer: A

When troubleshooting SAN performance problems, a key indicator of a physical issue is a high CRC (Cyclic Redundancy Check) error count. CRC errors are indicative of corrupt data packets during transmission, which often points to issues such as faulty cables, bad ports, or other physical problems in the network infrastructure. High CRC error counts can lead to retransmissions, reduced throughput, and overall degradation of SAN performance. Addressing the physical components associated with high CRC error counts is essential for restoring optimal SAN operations.


While the specific Dell XtremIO Design document was not available, general SAN troubleshooting guidelines and best practices indicate that CRC errors are a critical metric to monitor for physical connectivity issues1.

Additional resources on SAN performance troubleshooting can be found in the support documentation for the XtremIO Family on Dell's official website2.

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by Tamera at Jan 28, 2025, 09:40 AM

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Pamella
2 days ago
That's a good point, Fletcher. Class 3 discards could definitely be a red flag.
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Bea
8 days ago
I'm torn between A and D, but I think I'll go with A. CRC errors just scream 'physical problem' to me.
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Josefa
13 days ago
High Class 3 Discards? Sounds like a network party to me! Might as well grab some snacks and watch the show.
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Candida
14 days ago
Hmm, I'm going with the low Buffer to Buffer Credits. That's gotta be a physical issue, right?
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Fletcher
22 days ago
I believe D) High Class 3 Discards could also indicate a physical issue.
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Carlee
24 days ago
I agree with Pamella, CRC errors are usually a sign of physical problems.
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Tomas
1 months ago
High CRC error count? That's a no-brainer! Definitely option A.
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Rutha
3 days ago
B) High Buffer to Buffer Credits
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Gianna
5 days ago
Yeah, definitely option A. That's a clear sign of a physical issue.
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Gladys
7 days ago
A) High CRC error count
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Pamella
1 months ago
I think A) High CRC error count would indicate a physical issue.
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