This is an old revision of the document!
pvdisplay
vgdisplay
lvdisplay
resize logical volume
lvextend -l +100%FREE <path to lv e.g.dev/fsilun/lvfsilun>
File descriptor 7 (pipe:[13154434]) leaked on lvextend invocation. Parent PID 3865: bash Size of logical volume fsilun/lvfsilun changed from 250.00 GiB (64000 extents) to 1000.00 GiB (256000 extents). Logical volume lvfsilun successfully resized
and than resize filesystem
resize2fs -p /dev/mapper/fsilun