CentOS 7
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Create Striped Volume
Create Striped Volume.
[1] For exmaple, create a Striped Volume with Phisical Volume /dev/sdb1 and /dev/sdc1.
# create vlume group "vg_striped" with /dev/sdb1 and /dev/sdc1

[root@dlp ~]#
vgcreate vg_striped /dev/sdb1 /dev/sdc1

  Logical volume "vg_striped" created
# create striped volume

[root@dlp ~]#
lvcreate -L 50G -i2 -I 64 -n lv_striped vg_striped

  Wiping xfs signature on /dev/vg_striped/lv_striped.
  Logical volume "lv_striped" created.

[root@dlp ~]#
lvdisplay /dev/vg_striped/lv_striped

  --- Logical volume ---
  LV Path                /dev/vg_striped/lv_striped
  LV Name                lv_striped
  VG Name                vg_striped
  LV UUID                5UoeiJ-7Ls9-qYrN-bBoV-6sJH-15HX-FlgnxK
  LV Write Access        read/write
  LV Creation host, time dlp.srv.world, 2015-07-20 14:59:30 +0900
  LV Status              available
  # open                 0
  LV Size                50.00 GiB
  Current LE             12800
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     512
  Block device           253:2

[root@dlp ~]#
lvs -a -o vg_name,name,devices,size

  VG         LV         Devices                   LSize
  centos     root       /dev/sda2(996)            45.62g
  centos     swap       /dev/sda2(0)               3.89g
  vg_striped lv_striped /dev/sdb1(0),/dev/sdc1(0) 50.00g