Run
fdisk
and enter options as shown
bellow:
[root@mxtolm01dra01s05kvm03 ~]# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write
them.
Be careful before using the write
command.
Command (m for help): n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p): p
Partition number (3,4, default 3): 3
First sector (1785249792-2341795839, default 1785249792): (press enter)
Using default value 1785249792
Last sector, +sectors or +size{K,M,G} (1785249792-2341795839, default 2341795839): +100G
Partition 3 of type Linux and of size 100 GiB is set