  --- Logical volume ---
  LV Path                /dev/hadoop/hadoop_vol_fast
  LV Name                hadoop_vol_fast
  VG Name                hadoop
  LV UUID                s9z6ub-Ar6c-nhfG-TsUU-A7JN-pZa5-5CL8mU
  LV Write Access        read/write
  LV Creation host, time ihadoop-7.linuxperf9025.net, 2013-03-25 08:41:00 -0500
  LV Status              available
  # open                 1
  LV Size                14.18 TiB
  Current LE             3717467
  Segments               1
  Allocation             inherit
  Read ahead sectors     8192
  Block device           253:2
   
  --- Logical volume ---
  LV Path                /dev/vg_ihadoop7/lv_root
  LV Name                lv_root
  VG Name                vg_ihadoop7
  LV UUID                LMMOWX-0Snt-N2xX-BWv3-rZEg-pAK0-2Ufr4a
  LV Write Access        read/write
  LV Creation host, time ihadoop-7.linuxperf9025.net, 2013-03-20 11:36:47 -0500
  LV Status              available
  # open                 1
  LV Size                1.81 TiB
  Current LE             475449
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Path                /dev/vg_ihadoop7/lv_swap
  LV Name                lv_swap
  VG Name                vg_ihadoop7
  LV UUID                zibLIg-7N5i-8M21-RSzo-7H5K-kyKH-GgDnTL
  LV Write Access        read/write
  LV Creation host, time ihadoop-7.linuxperf9025.net, 2013-03-20 11:41:43 -0500
  LV Status              available
  # open                 1
  LV Size                4.00 GiB
  Current LE             1024
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
   
