added lvextend needed for gnt-instance grow-disk

[ganeti-extstorage-zfs] / t / lvextend

# gnt-instance grow-disk t-plain 0 100M
lvextend -L +102400k --test --alloc contiguous /dev/ffzgvg/fa2e60f4-22e5-4620-baac-385418139ce7.disk0
lvextend -L +102400k --test --alloc cling /dev/ffzgvg/fa2e60f4-22e5-4620-baac-385418139ce7.disk0
lvextend -L +102400k --test --alloc normal /dev/ffzgvg/fa2e60f4-22e5-4620-baac-385418139ce7.disk0