partprobe
..to reload partitions
fdisk -l
..show disk information
parted /dev/sda
Fix
.. To fix the backupbtable, write it on the new end.
resizepart 3 100%
..resizes partition 3, of type LVM, to the end.
exit
reboot or rescan, partprobe
pvresize /dev/sda3
.. Resizes the PV
lvdisplay
lvextend -l 100%FREE /dev/mylogocalvolume
.. Extends the LV
lvdisplay
Resize2fs /dev/mylogicalvolume
.. Resizes the ext4 filesystem.