A logical volume must be closed before it can be removed:
# umount /dev/myvg/homevol # lvremove /dev/myvg/homevollvremove -- do you really want to remove "/dev/myvg/homevol"? [y/n]:
y
lvremove -- doing automatic backup of volume group "myvg" lvremove -- logical volume "/dev/myvg/homevol" successfully removed