LVM in Linux

1. DM: A module that composes one or more underlying block devices into a logical device

Logical volume by high end: LV,VG,PV

2. PV Management Tools

PVs: View brief PV information

Pvdisplay: Display a detailed list of PV

Pvcreate: Creating a new PV volume

Pvremove: Deletes a physical PV volume.

3. VG Management Tools

VGS: View Brief VG Information

Vgdisplay: Show a detailed list of VG

Vgcreate: Create VG

VGEXTENDS:VG extension, adding space

Vgreduce VG Name: Reduce the number of mirrored copies of logical volumes

Vgremove VG Name: Delete a user-defined physical volume

4. LV Management Tools

LVS: View brief LV Information

Lvdisplay: Show a detailed list of LV

Lvcreate: Creating the LV

Lvremove: Delete the user-defined LV.

LVM in Linux