[linux-lvm] thin volume usage report

[Xen]

New format:

     name               pct       size
     ---------------------------------
     data            38.66%     15.43g
     home             3.32%      1.32g
     sites           14.47%      5.77g
     --------------------------------- +
     volumes         56.45%     22.53g
     snapshots        5.07%      2.10g
     --------------------------------- +
     used            61.52%     24.55g
     available       38.48%     15.36g
     --------------------------------- +
     pool size      100.00%     39.91g


Old format:

     name             pct      size
     ------------------------------
     data          38.66%    15.43g
     home           8.22%     3.28g
     sites         33.55%    13.39g
     ------------------------------ +
     total         80.43%    32.11g

     reported      80.50%    32.13g
     available     19.50%     7.78g
     ------------------------------ +
     full size    100.00%    39.91g