====== LVM (Debian)======

How to mount LVM partition that just appended into system? Just follow below steps and get it!

Install package:lvm2 if you did not enable it.

    # apt-get install lvm2

Load the necessary module: dm-mod.

    # modprobe dm-mod

Scan LVM volumes in your system.

    # vgscan
    or
    # pvs

Activate the LVM volume.

    # vgchange -a y [LVM Group]

Find the logical volume.

    # lvs
    or
    # lvdisplay /dev/[LVM_group_name]


Mount the logical volume you want access it.

    # mount /dev/mapper/[LVM_group_name]-[LVM-logical-volume-name] /mnt -o ro,user

You can access the LVM partition now in /mnt.

===== Juntar dois volumes =====

Listar volumes

  # lvdisplay

Remover o volume desejado

  # umount /home
  # lvremove vg_exemplo/lv_home

Shrink com o volume desejado

  # lvresize -r -l +100%FREE vg_exemplo/lv_root