Dell EMC D-PWF-DS-23 Exam - Topic 1 Question 13 Discussion

Actual exam question for Dell EMC's D-PWF-DS-23 exam

Question #: 13
Topic #: 1

What is the default value of paths per volume when adding an NVMe host?

Show Suggested Answer

Suggested Answer: B

The policy that determines the priority of reconstructing data after a failure in a PowerFlex system is the Rebuild throttling policy. This policy is designed to manage the speed and resources allocated to the rebuild process, which is critical for restoring data redundancy and integrity after a failure occurs1.

The rebuild process in PowerFlex is a high-priority operation that ensures data is reconstructed across the remaining nodes and drives in the storage pool to maintain the desired levels of protection. The Rebuild throttling policy allows administrators to configure the impact of rebuild operations on the overall performance of the system, ensuring that while data reconstruction is prioritized, it does not significantly degrade the performance of production workloads1.

Rebalance throttling (Option A) is related to the process of redistributing data across the storage pool to maintain balance but is not directly concerned with the immediate reconstruction of data after a failure. Checksum Implementation (Option C) and Checksum Protection (Option D) are related to data integrity verification methods but do not determine the priority of data reconstruction.

Therefore, the correct answer is B. Rebuild throttling, as it is the policy that specifically governs the prioritization and management of data reconstruction activities following a failure in the PowerFlex system.

by Francisca at Aug 02, 2024, 12:11 PM

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Paris

9 months ago

Really? 8 seems high for a default value!

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Verlene

9 months ago

Nope, it's definitely 8.

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Lanie

9 months ago

I thought it was 4? This is news to me.

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Margart

10 months ago

Totally agree, 8 is the standard!

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Sharika

10 months ago

It's 8 paths per volume by default.

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Cristal

10 months ago

I’m pretty confident it’s 1. I remember reading that NVMe has a different approach compared to traditional storage.

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Lashawn

10 months ago

I want to say it's 2, but that seems low for NVMe. I need to double-check my notes.

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Doyle

10 months ago

I practiced a similar question, and I feel like it was 4. But I could be mixing it up with something else.

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Martina

11 months ago

I think the default value is 8, but I'm not entirely sure. I remember something about it being higher for NVMe.

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Chanel

11 months ago

I'm a bit unsure on this one. The options range from 1 to 8, so I'll need to carefully consider the context and best practices for NVMe host configuration to determine the most likely default value.

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Ora

11 months ago

Okay, let me think this through. The question is asking about the default value when adding an NVMe host, so I'll need to review my notes on NVMe configuration settings.

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Kathrine

11 months ago

Hmm, I think the default value is 4 paths per volume, but I'm not 100% sure. I'll need to double-check the documentation to be certain.

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Kent

11 months ago

I remember learning about this in class. I'm pretty sure the default is 8 paths per volume, but I'll quickly scan my notes to confirm.

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Melvin

11 months ago

Okay, let's see here. Adding the authentication password to the service credentials seems like it could be a security risk, so I'll rule that out. Configuring the username using a site preference seems more reasonable, but I'm not entirely sure if that's the best approach. I'll have to think it through.

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Zoila

11 months ago

Okay, let's see here. Increasing the scope by adding more features seems like it could backfire and negate the velocity gains. And asking the team to slow down doesn't seem right either. I think the collaborative approach of option A is the way to go.

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