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Exam XK0-005 topic 1 question 211 discussion

Actual exam question from CompTIA's XK0-005
Question #: 211
Topic #: 1
[All XK0-005 Questions]

A systems administrator needs to extend the logical volume /dev/mapper/linux-root to use all available space in its volume group. The filesystem should be extended as well. Which of the following commands will allow the administrator to achieve this goal?

  • A. lvm pvresize -r -l100% /dev/mapper/linux-root
  • B. lvchange -L100% /dev/mapper/linux-root
  • C. lvextend -l+100% /dev/mapper/linux-root
  • D. lvresize -l100%FREE -r /dev/mapper/linux-root
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Suggested Answer: D 🗳️
by nabalauski at Dec. 20, 2023, 8:40 p.m.

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dsmitd33
4 months, 3 weeks ago
Selected Answer: D
D is absolutely correct since every other choice only has "%100" instead of the proper format, "%100FREE". lvextend and lvresize can both be used, even with -l from there.
upvoted 1 times
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makuziker
8 months, 3 weeks ago
Selected Answer: D
lvextend or lvresize could both get the job done here. The key here is "-r", resize the associated filesystem.
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68c732d
9 months, 2 weeks ago
Selected Answer: D
lvresize -l100%FREE -r /dev/mapper/linux-root Explanation: -l // [+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] eg. "-l +100%FREE" -r // Resize underlying filesystem together with the logical volume using fsadm
upvoted 1 times
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nabalauski
10 months, 3 weeks ago
Selected Answer: C
answer is C. https://www.redhat.com/sysadmin/resize-lvm-simple
upvoted 1 times
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