Aggregate multiple physical volumes and allocate capacity to logical volumes for different purposes.
Which capacity pool is this?
A volume group (VG) aggregates PVs and allocates free extents to logical volumes.
Detailed explanation
rmmod dummyIncorrect. An ESP is a UEFI boot partition, not an LVM pool.
Incorrect. An ESP is a UEFI boot partition, not an LVM pool.
insmod dummyIncorrect. A PV is an individual lower-level device.
Incorrect. A PV is an individual lower-level device.
lsmod dummyCorrect. A VG is the pool made from one or more PVs.
Correct. A VG is the pool made from one or more PVs.
modprobe dummyIncorrect. An LV is a virtual block device carved from the VG.
Incorrect. An LV is a virtual block device carved from the VG.
Try it yourself
An example you can run in a temporary verification environment.
rmmod --help 2>&1 | sed -n '1,8p'Expected result
rmmod [options] modulenameに相当する使用法Key points
- VG aggregates PVs
- Capacity is allocated to LVs
- Free extents are managed
Notes
- Environment: kmod rmmod / ヘルプ表示のみ
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.