Table of Contents

lvm

Mounting lvm partitions

  1. Become root: sudo su -
  2. Scan for logical volume systems and output detailed information: pvscan
  3. Change VolGroupXX to active: vgchange VolGroupXX -a y
  4. Scan VolGroupXX for logical volumes: lvscan
  5. Mount a selected logical volume: mount /dev/VolGroupXX/LogVolXX /mnt

Create new lvm2 partition (lvm 2 pv partition volume)

Gparted, fdisk

OR 

 pvcreate /dev/sdb4
 # the oposite is
 pvremove /dev/sdb4

Create volume group

Show all with 

  pvdisplay
  vgcreate vg_name /dev/sdb(4)

Usecase LVM

1. Extend lv to new disk