Creating a fixed-size logical volume | LinuC Level 1 101 Exam original practice question

1.05.2Basic

Allocate 20 GiB from vgdata and create an LV named lvlogs.

Which command is appropriate?

Hint 1: Focus on the requirement

Distinguish creation of an LV from PV/VG initialization and from commands that only list existing objects.

Hint 2: Key terms

Review the short partitioning and LVM definitions before comparing the choices.

Detailed explanation

Incorrectpvcreate -L 20G -n lvlogs vgdata

Incorrect. pvcreate initializes a PV.

Incorrectvgcreate -L 20G -n lvlogs vgdata

Incorrect. vgcreate creates a VG rather than an LV.

Correctlvcreate -L 20G -n lvlogs vgdata

Correct. lvcreate -L 20G -n lvlogs vgdata creates the requested LV.

Incorrectlvs -L 20G -n lvlogs vgdata

Incorrect. lvs queries existing LVs and does not create one.

An example you can run in a temporary verification environment.

lvcreate --help 2>&1 | sed -n '1,18p'

-L/--size、-n/--name、VGを指定する使用法

Environment: LVM2 / ヘルプ表示のみ
Use read-only inspection or a disposable disk when learning storage commands.
Partition and LVM writes can destroy data; verify the target before running them.

Foundation review

lvcreate consumes VG free extents and produces a named block device.

Review the selected VG and free capacity before creating the LV.

Question IDKL-101-574

EnvironmentLVM2 / ヘルプ表示のみ

Last technical review2026-08-13

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