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NetApp NS0-521 Exam - Topic 7 Question 26 Discussion

A LUN Is displaying 90% used space in the NetApp ONTAP CLI, but a Windows Server shows only 10% used space.What is the first step to take to address this issue?
D) Enable space allocation.
A) Enable automatic resizing.
B) Disable automatic resizing.
C) Disable space allocation.

NetApp NS0-521 Exam - Topic 7 Question 26 Discussion

Actual exam question for NetApp's NS0-521 exam
Question #: 26
Topic #: 7
[All NS0-521 Questions]

A LUN Is displaying 90% used space in the NetApp ONTAP CLI, but a Windows Server shows only 10% used space.

What is the first step to take to address this issue?

Show Suggested Answer Hide Answer
Suggested Answer: D

When a LUN shows 90% used space in the NetApp ONTAP CLI but a Windows Server shows only 10% used space, the discrepancy is often due to how space allocation is handled between the two systems. Enabling space allocation ensures that the ONTAP system accurately reflects the actual space usage as reported by the host system, in this case, the Windows Server. This adjustment allows ONTAP to reclaim and manage space more effectively, aligning the reported usage between the ONTAP system and the host.

For more information, refer to:

NetApp Community Discussion on Space Allocation

NetApp Documentation on Space Usage


by Annamae at Jul 08, 2025, 09:42 AM

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Sunshine
8 months ago
Wait, how can the LUN show 90% used but Windows only 10%?
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Buddy
8 months ago
I think enabling space allocation is the way to go!
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Harrison
9 months ago
Definitely need to check the space allocation settings first.
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Francis
9 months ago
Disagree, disabling automatic resizing might be better.
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Amina
9 months ago
Sounds like a classic case of space reporting issues.
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Diane
9 months ago
I think we should disable space allocation first to see if that resolves the discrepancy. That seems like a logical first step based on what I studied.
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Viva
10 months ago
I feel like I read that automatic resizing can sometimes cause issues. Should we really be enabling it in this case?
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Gracie
10 months ago
This reminds me of a practice question where we had to decide on space allocation. I think enabling it might help, but I'm not completely confident.
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Octavio
10 months ago
I remember something about checking space allocation settings, but I'm not sure if I should enable or disable it first.
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Rashad
10 months ago
I'm a little unsure about this one. The options all seem to be related to storage allocation and resizing, but I'm not sure which one is the best first step. Maybe I'll try to eliminate the options that don't seem directly relevant, and then make an educated guess between the remaining choices.
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Lili
10 months ago
This seems like a pretty straightforward question. The first step is to disable automatic resizing, since that's the only option that directly addresses the issue of the LUN being 90% used while the Windows Server shows only 10%. I'm pretty confident that's the right answer.
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Wei
11 months ago
Okay, let's think this through step-by-step. The question is asking about the first step to address the issue, so I'm guessing we need to investigate the discrepancy between the two systems. I'll probably start by double-checking the data on both systems to make sure there's no misconfiguration or misunderstanding.
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Theola
11 months ago
Hmm, this is an interesting one. I think the key is to figure out why the Windows Server is showing such a low used space compared to the NetApp ONTAP CLI. Maybe I should start by checking the storage allocation settings on the Windows Server.
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