Resize filesystem on LVM

extend

lvresize -L +128G /dev/vg01/mx-home
#lvresize -l +100%FREE /dev/vg1/trusty-disk
e2fsck -f /dev/vg01/mx-home
resize2fs -p /dev/vg01/mx-home
e2fsck -f /dev/vg01/mx-home

reduce / shrink

e2fsck -f /dev/vg01/video-media
# start screen, resize2fs can take a long
resize2fs /dev/vg01/video-media 1T
lvreduce -L 1T /dev/vg01/video-media

lvextend (online)

lvextend -r -L+20G /dev/mapper/data-log