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Exam 201-450 topic 1 question 8 discussion

Actual exam question from LPI's 201-450
Question #: 8
Topic #: 1
[All 201-450 Questions]

Which single command simulates a failed device within a RAID 5 array?

  • A. mdadm --remove /dev/md0 /dev/sdd1
  • B. mdadm --zero-superblock /dev/sdf3
  • C. mdadm --force-fault /dev/md2 /dev/sde2
  • D. mdadm --fail /dev/md0 /dev/sdc1
  • E. mdadm /dev/md0 --offline /dev/sdc1
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by milan92stankovic at Jan. 18, 2021, 9:32 p.m.

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debloid
11 months ago
Selected Answer: D
mdadm --manage /dev/md0 --fail /dev/sdb1 Possibly D
upvoted 1 times
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kachou
1 year, 1 month ago
Selected Answer: D
-f, --fail : The former will cause any device that has been detached from the system to be marked as failed. It can then be removed.
upvoted 1 times
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chiaseed
1 year, 9 months ago
Selected Answer: D
The correct answer is D Here from the man page; -f, --fail Mark listed devices as faulty. As well as the name of a device file, the word detached or a set name like set-A can be given. The former will cause any device that has been detached from the system to be marked as failed. It can then be removed.
upvoted 1 times
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t33h9ck
2 years, 8 months ago
The answer is D. There is no --force-faulty option, but we have --set-faulty which works the same way as --fail option
upvoted 1 times
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serlan
2 years, 9 months ago
D Is correct
upvoted 1 times
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Robert12
2 years, 9 months ago
The man page for mdadm states -f --force. There is no --fail . I
upvoted 1 times
jccastiyo
2 years, 6 months ago
Not true. Both --force and --fail exist, but --force doesn't do what the question suggest. D is correct.
upvoted 1 times
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starout
3 years, 7 months ago
Anyone who can give an opinion on the questions of this site. There may be another source to learn or purchase a paid version?
upvoted 1 times
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basylwolf
3 years, 9 months ago
Do you know if this dump cover all the program of exam? Is it valid?
upvoted 3 times
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DAOC
4 years, 3 months ago
Is correct D
upvoted 2 times
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milan92stankovic
4 years, 5 months ago
D - 100%
upvoted 2 times
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