Step
1: we need to check the
unallocated disk space using the command, “fdisk -l”
Step
2: Run “df –h” to view
the disk information
Step
3: Create a new primary
partition to make use of unallocated disk space using “fdisk”. Follow the below
screens to create the new primary partition.
Note: In the below example we are
going to create primary partition “/dev/sda3”. The starting blocking of
/dev/sda3 should start from the next value of /dev/sda2 end cylinder value.
Values can be captured by running “fdisk –l”. Note the Start and End cylinder
values for /dev/sda1 and /dev/sda2.
Run “fdisk /dev/sda”. Enter n, select option “p” and enter “3”
as partition number. Provide the Start Cylinder value. Press Enter and for Last
Cyliner value press Enter for default. Enter option “t”, press enter and press
enter option “3”, press enter, enter option “8e”, press enter, enter option “w”
and press enter to finish the partition. Reboot the server.
Step
4: Run “fdisk –l” to view
the new partition
Step 5: Run “pvcreate /dev/sda3” to
create a physical volume /dev/sda3
Step
6: Run “vgdisplay” to
view the volume group name.
Step
7: Run “vgextend VolGroup
/dev/sda3” extend the “VolGroup” volume group by adding in the physical volume
/dev/sda3.
Step
8: Run “pvscan” to scan for all disks in Physical volumes.
Step
9: Run “lvdisplay” and
make a note of the LV Path
Step
10: To increase the
logical volume run “lvextend /dev/VolGroup/lv_root /dev/sda3”
Step
11: Run “resize2fs
/dev/VolGroup/lv_root” to resize the filesystem
Step
12: Run “df -h” to view
the updated disk information
