3 Resize & Extend LVM disk

Resize disk in Linux OS after changing it’s size in Vmware. Works also for VirtualBox & Hyper-V.

Resize disk in Linux OS after changing it’s size in Vmware. Works also for VirtualBox & Hyper-V.      Tested with Ubuntu 14.04.03 basic VM installation, using default LVM disk configuration.

·  Install parted. Will use later.

sudo apt-get install parted

·  Check all partitions on system :

ls -al /dev/sda*

·  Set LVM partition type with cfdisk :

Look for free space and no part type.

Set type , hex code : 8e

Write changes.

·  Update partition table without server restart :

sudo partprobe /dev/sda

·  Check new created partition :

sudo fdisk -l

Disk /dev/sda: 52.4 GB,   Device    Boot      Start         End               Blocks       Id    System   /dev/sda1   *        2048          499711         248832         83   Linux   /dev/sda2          501758         102399999    50949121      5     Extended   /dev/sda5          501760         20969471     10233856       8e   Linux LVM   /dev/sda6        20969535       102399999    40715232+     8e   Linux LVM

·  Create physical volume on new partition /dev/sda6:

sudo pvcreate /dev/sda6

Physical volume "/dev/sda6" successfully created    "/dev/sda6" is a new physical volume of "38.83 GiB"    --- NEW Physical volume ---    PV Name               /dev/sda6                    PV Size                  38.83 GiB

·  Check volume group name :

sudo vgdisplay

--- Volume group ---   VG Name            box-vg   VG Size               9.76 GiB

·  Extend volume group "box-vg" to /dev/sda6 partition :

sudo vgextend box-vg /dev/sda6

·  Check volume group :

sudo vgdisplay

--- Volume group ---   VG Name            box-vg   VG Size              48.58 GiB

·  Check Logical volume :

sudo lvdisplay

--- Volume group ---   LV Path              /dev/box-vg/root   VG Name           box-vg   LV Size              8.76 GiB

·  Finally extend logical volume to all free space available :

sudo lvextend -l 100%FREE /dev/box-vg/root

·  Resize filesystem & write changes :

sudo resize2fs /dev/box-vg/root

·  Check Logical volume :

sudo lvdisplay

--- Logical volume ---   LV Path               /dev/box-vg/root   LV Name             root   VG Name            box-vg   LV Size               38.82 GiB

·  Check free disk space :

sudo df -h

It is :

Filesystem                         Size  Used    Avail Use%  Mounted on   /dev/mapper/box--vg-root     39G  771M   36G   3%       /

It was :

Filesystem                           Size    Used     Avail   Use%  Mounted on   /dev/mapper/box--vg-root      8.5G   764M    7.3G    10%      /