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LPI 201-450 Exam - Topic 3 Question 120 Discussion

Actual exam question for LPI's 201-450 exam
Question #: 120
Topic #: 3
[All 201-450 Questions]

What is the minimum number of disks required in a fully redundant RAID5 array?

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Suggested Answer: C

by Arlette at Jan 05, 2026, 05:16 AM

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Twana
1 day ago
Nope, definitely 3 disks.
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Glory
6 days ago
Wait, I thought it was 4?
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Dexter
11 days ago
Totally agree, 3 is the minimum!
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Ronnie
17 days ago
You need at least 3 disks for RAID5.
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Eric
22 days ago
Wait, is this a trick question? I bet the answer is actually 6 disks. You can never have too much redundancy!
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Carrol
27 days ago
Hmm, I thought RAID5 only needed 2 disks. This is trickier than I expected.
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Rebecka
2 months ago
E) 5 disks? That's way too many. The question clearly says "minimum".
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Simona
2 months ago
D) 4 disks is the minimum for a fully redundant RAID5 array. I'm pretty sure about this.
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Malcom
2 months ago
C) 3 is the correct answer. RAID5 requires a minimum of 3 disks.
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Beckie
2 months ago
I remember reading that RAID5 can survive one disk failure, so it has to be at least 3 disks. I hope that's correct!
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Antonio
2 months ago
I thought it was 3 disks too, but I keep mixing it up with RAID10. This is tricky!
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Joseph
2 months ago
I'm not too sure, but I feel like it might be 4 disks. I practiced a question like this before, but I can't recall the exact details.
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Allene
3 months ago
I think RAID5 needs at least 3 disks, right? I remember something about needing one for parity.
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Brittney
3 months ago
Hmm, I'm not too sure about this one. I know RAID5 needs multiple disks, but I can't remember the exact minimum. I'll have to think it through carefully.
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Corrie
3 months ago
I've got this! The minimum number of disks for a fully redundant RAID5 array is 4. The parity data is distributed across all the disks, so you need at least 4 to have full redundancy.
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Daniela
3 months ago
Wait, I'm a bit confused. Isn't RAID5 supposed to have at least 4 disks? I'm not sure about the minimum for full redundancy.
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Chandra
3 months ago
Okay, RAID5 has parity data distributed across all the disks, so the minimum would be 3 disks, right? I'm pretty sure that's the right answer.
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Fidelia
4 months ago
Hmm, I think this is asking about the minimum number of disks needed for a RAID5 array to be fully redundant. Let me think this through...
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