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Dell EMC Exam D-XTR-DS-A-24 Topic 2 Question 16 Discussion

Actual exam question for Dell EMC's D-XTR-DS-A-24 exam
Question #: 16
Topic #: 2
[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 Lenora at Dec 10, 2024, 11:06 AM

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Truman
2 months ago
High Buffer to Buffer Credits? That's like having too many pillows on your bed - you're just asking for trouble. Gotta keep those buffers balanced, people!
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Leslie
1 months ago
D) High Class 3 Discards
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Jesus
2 months ago
C) Low Buffer to Buffer Credits
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Dianne
2 months ago
B) High Buffer to Buffer Credits
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Valda
2 months ago
A) High CRC error count
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Shoshana
2 months ago
I think D) High Class 3 Discards could also point to a physical issue in SAN performance problems.
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Sylvia
2 months ago
I believe C) Low Buffer to Buffer Credits could also be a key indicator of a physical issue.
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Delmy
3 months ago
I agree with Nilsa, high CRC error count could indicate a physical issue.
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Dorothy
3 months ago
High Class 3 Discards, huh? Sounds like someone's been partying a little too hard on the SAN. Time to call in the SAN whisperer to fix this mess!
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Geoffrey
3 months ago
Hmm, low Buffer to Buffer Credits? That's like trying to drink from an empty cup - not gonna happen. Definitely a physical problem there.
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Shaun
3 months ago
High CRC error count? That's a clear sign of a physical issue, like a bad cable or connector. Gotta keep those fiber links in tip-top shape!
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Paola
2 months ago
That's another indicator of a physical problem. It's important to keep an eye on those metrics.
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Lashandra
2 months ago
D) High Class 3 Discards
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Vanda
2 months ago
Yes, that's right. It could indicate a physical issue like a bad cable.
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Mee
2 months ago
A) High CRC error count
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Nilsa
3 months ago
I think the key indicator would be A) High CRC error count.
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