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Dell EMC D-XTR-DY-A-24 Exam - Topic 2 Question 21 Discussion

Actual exam question for Dell EMC's D-XTR-DY-A-24 exam
Question #: 21
Topic #: 2
[All D-XTR-DY-A-24 Questions]

In a heterogeneous environment, what is a recommended setting when multiple storage arrays are connected to VMware vSphere in addition to XtremIO X2?

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Suggested Answer: A

In the event of a power failure, the XtremIO X2 system's NVRAM (Non-Volatile Random Access Memory) card will initiate the discharging of the SuperCapacitor (SuperCap). The SuperCap is designed to provide enough power to the NVRAM card to allow it to write any data in transit to a non-volatile storage medium, ensuring data integrity and preventing loss1. This process is a critical part of the XtremIO X2's data protection mechanism during unexpected power interruptions.


by Percy at Mar 05, 2025, 06:28 AM

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Brynn
6 months ago
I've always used option D, but I'm curious about the others.
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Vicente
6 months ago
Wait, is XCOPY really set to 256? That seems high!
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Eleonore
6 months ago
B is actually the recommended setting for mixed environments.
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Erick
7 months ago
I disagree, A seems more reliable for performance.
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Denna
7 months ago
I think option C is the best choice.
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Leanna
7 months ago
I feel like Disk.SchedNumReqOustanding was highlighted as important for managing multiple arrays, but I need to double-check that.
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Tyisha
7 months ago
I have a vague recollection that XCOPY settings can impact performance, but I can't recall the exact value we discussed in class.
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Eleonora
7 months ago
I think we practiced a similar question where Disk.SchedQuantum was mentioned as a key setting for performance. Could that be relevant here?
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Gracia
8 months ago
I remember something about optimizing storage settings, but I'm not sure if it's Disk.SchedNumReqOustanding or fnic_max_qdepth that applies here.
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Jerry
8 months ago
Hmm, I'm a bit stumped on this one. I know the concepts, but I'm not sure how they apply in this specific scenario. Guess I'll have to make an educated guess.
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Salome
8 months ago
Alright, let's do this. I'm pretty confident I know the right setting to recommend here. Just need to double-check the options to be sure.
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Vicki
8 months ago
Ah, I've seen this type of question before. I think the key is understanding how to optimize the storage performance when you have multiple arrays connected. Time to put my thinking cap on.
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Refugia
8 months ago
Okay, let me see here. I remember learning about these settings in class, but I'm a bit fuzzy on the specifics. I'll need to review my notes.
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Alecia
8 months ago
Hmm, this looks like a tricky one. I'll need to think through the different storage array configurations and how they might interact with VMware vSphere.
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Herminia
1 year ago
Wait, XCOPY? Is this some kind of secret storage ninja technique I haven't heard of? I'm going to need to look that one up.
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Helaine
11 months ago
C) fnic_max_qdepth = 128
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Helaine
11 months ago
B) Disk.SchedQuantum = 64
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Helaine
12 months ago
A) Disk.SchedNumReqOustanding = 32
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Ellen
1 year ago
I'm going to go with option A. Increasing the number of outstanding disk requests could be a good way to optimize the system.
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Earleen
1 year ago
XCOPY sounds like an interesting option, but I'm not sure if it's the recommended setting for this particular scenario.
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Marylou
11 months ago
D) XCOPY = 256
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Mickie
11 months ago
C) fnic_max_qdepth = 128
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Timmy
12 months ago
B) Disk.SchedQuantum = 64
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Marya
12 months ago
A) Disk.SchedNumReqOustanding = 32
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Raina
1 year ago
Option C looks promising. Adjusting the fnic_max_qdepth setting could help handle the increased workload from multiple storage arrays.
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Tanesha
12 months ago
XCOPY = 256 could be another option to optimize the storage arrays' performance.
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Mitsue
12 months ago
I think Disk.SchedNumReqOustanding = 32 might also be a good setting to consider.
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Shawnta
1 year ago
I agree, increasing fnic_max_qdepth can definitely improve performance in this scenario.
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Delmy
1 year ago
I think option B sounds like the best choice. Increasing the disk scheduling quantum could help improve performance in a heterogeneous environment.
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Veronika
12 months ago
Let's go with option B then, it seems like the most popular choice.
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Chau
1 year ago
I'm not sure, but maybe option A could work too.
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Willow
1 year ago
I think option C might also be worth considering.
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Audra
1 year ago
I agree, option B does seem like a good choice.
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Ashlee
1 year ago
Hmm, that makes sense. I'll consider that option too.
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Joanne
1 year ago
I disagree, I believe it should be C) fnic_max_qdepth = 128 because it helps with queue depth.
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Ashlee
1 year ago
I think the recommended setting is A) Disk.SchedNumReqOustanding = 32.
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