For LVM:
sudo yum -y install cloud-utils-growpart
lsblk
pvs
ls /sys/class/scsi_device/
0:0:0:0 1:0:0:0
echo 1 > /sys/class/scsi_device/0\:0\:0\:0/device/rescan
lsblk
growpart /dev/sda 2
pvresize /dev/sda2
lvextend -r -l +100%FREE /dev/name-of-volume-group/root
For XFS
user@user-srv ~]$ df -h
[user@user-srv ~]$ sudo fdisk /dev/sda
Command (m for help): c
DOS Compatibility flag is not set
Command (m for help): u
Changing display/entry units to sectors
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
Partition 1 is already defined. Delete it before re-adding it.
Command (m for help): d
Selected partition 1
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
Command (m for help): a
Command (m for help): w
The partition table has been altered!
[user@user-srv ~]$ partx /dev/sda
[user@user-srv ~]$ sudo reboot
[user@user-srv ~]$ sudo resize2fs /dev/sda1
