<b>LVM cheatsheet</b>

Here is a cheatsheet for LVM:

LVM exists in the following order:

-PV (physical volume)
-VG (volume group)
-LV (logical volume)

Create a physical volume

  pvcreate /dev/hdX1
  pvscan
  pvdisplay

Create a volume group

  vgcreate vg_name /dev/hdX1 /dev/hdX2
  vgscan
  vgdisplay

Create a logical volume

  lvcreate -L 10G -n lv_name vg_name
  lvscan
  lvdisplay

Activate an external LVM volume
Usefull when you are repairing an external harddisk with a LVM volume.

  lvscan
  lvchange -a y lv_name
  lvscan

Disable an external LVM volume
Usefull when you are repairing an external harddisk with a LVM volume.

  lvscan
  lvchange -a n lv_name
  lvscan