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Huawei H13-629 Exam - Topic 1 Question 7 Discussion

A customer requires 60 TB of storage space available on an OceanStor V3 storage system to store service data. How many disks will be used if the customer installs 600 GB 15K RPM SAS disks and creates a pool with RAID 5 (8D+1P) using a low hot spare policy? (Select the closest number without considering the required data protection space.)
C) 140
A) 100
B) 120
D) 180

Huawei H13-629 Exam - Topic 1 Question 7 Discussion

Actual exam question for Huawei's H13-629 exam
Question #: 7
Topic #: 1
[All H13-629 Questions]

A customer requires 60 TB of storage space available on an OceanStor V3 storage system to store service data. How many disks will be used if the customer installs 600 GB 15K RPM SAS disks and creates a pool with RAID 5 (8D+1P) using a low hot spare policy? (Select the closest number without considering the required data protection space.)

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Suggested Answer: C

by Jennifer at May 06, 2022, 08:05 AM

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Joye
11 months ago
I thought it would be more, honestly!
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Veronika
11 months ago
RAID 5 with 8D+1P? Definitely 120 disks.
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Derick
11 months ago
Wait, how does that add up? Seems off to me.
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Makeda
11 months ago
Totally agree, 120 sounds right!
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Louvenia
12 months ago
You need 120 disks for that setup.
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Jose
12 months ago
I think I remember that with 600 GB disks, we need to divide the total storage by the usable space per disk after RAID. But I'm not confident about the exact numbers.
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Chantay
12 months ago
I feel like I might be overthinking the hot spare policy. Does that mean we need extra disks beyond the total calculated?
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Annamae
12 months ago
I think we practiced a similar question with different disk sizes. If I recall, RAID 5 uses one disk for parity, so that might help.
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Leatha
12 months ago
I remember we calculated storage needs in class, but I'm not sure how RAID 5 affects the total disk count.
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Elvera
12 months ago
Okay, let me think this through. The needs analysis is focused on understanding the problem and the organization's current state, so I think the correct answer is D since that's more about evaluating potential solutions.
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Winifred
12 months ago
I think the key here is understanding how domains work in the context of a relational database. The domain defines the allowed values for an attribute, which then constrains the valid tuples that can be stored in the table. I'll go with option B.
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Benedict
12 months ago
This looks like a pretty straightforward question about managing tablespaces and datafiles. I think I've got a good handle on the key concepts here.
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