Description : How to shrinking root FS in linux?
Last Answer : While online enlarging is no problem, you have to umount for shrinking! We assume lv_root have 10g, now going to shrink with 1g so after shrinking root FS should be 9g. At first take backup (NEVER SHRINK ... 9G" . Then reduce the size of the logical volume "lvreduce -L -1G /dev/rootvg/lv_root"