3. Создание логических томов

Теперь в группе томов создадим логические тома lv1, lv2 и lv3 размером 1 Гбайт, 1 Гбайт и 0.5 Гб соответствено:

	lvcreate -n lv1 -L 1G vg1 Logical volume "lv1" created
	lvcreate -n lv2 -L 1G vg1 Logical volume "lv2" created
	lvcreate -n lv3 -L 500M vg1  Logical volume "lv3" created

Теперь у нас есть блочные устройства /dev/vg1/lv1, /dev/vg1/lv2 и /dev/vg1/lv3.

Посмотрим информацию о наших логических томах:

	lvdisplay   LV Path                /dev/vg1/lv1
  LV Name                lv1
  VG Name                vg1
  LV UUID                JtSDpI-qemI-j4xY-QasN-y7Ra-oPBb-JCx13V
  LV Write Access        read/write
  LV Creation host, time localhost.localdomain, 2014-11-11 11:20:46 +0200
  LV Status              available
  # open                 0
  LV Size                1.00 GiB
  Current LE             256
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

  --- Logical volume ---
  LV Path                /dev/vg1/lv2
  LV Name                lv2
  VG Name                vg1
  LV UUID                vItuCT-ARz4-ScNs-m8Y4-O28B-09Zw-Tf3GlX
  LV Write Access        read/write
  LV Creation host, time localhost.localdomain, 2014-11-11 11:21:21 +0200
  LV Status              available
  # open                 0
  LV Size                1.00 GiB
  Current LE             256
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:3

  --- Logical volume ---
  LV Path                /dev/vg1/lv3
  LV Name                lv3
  VG Name                vg1
  LV UUID                aT37Ww-i9mj-1UJi-3atH-MFSO-bt4q-LIWeoa
  LV Write Access        read/write
  LV Creation host, time localhost.localdomain, 2014-11-11 13:17:08 +0200
  LV Status              available
  # open                 0
  LV Size                500.00 MiB
  Current LE             125
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:4

  --- Logical volume ---
  LV Path                /dev/vg_livecd/lv_root
  LV Name                lv_root
  VG Name                vg_livecd
  LV UUID                R4XWj0-36lK-FZ50-IHVd-Nk28-rXHz-3fu3zY
  LV Write Access        read/write
  LV Creation host, time livecd.centos, 2014-10-06 22:26:03 +0300
  LV Status              available
  # open                 1
  LV Size                6.73 GiB
  Current LE             1722
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Logical volume ---
  LV Path                /dev/vg_livecd/lv_swap
  LV Name                lv_swap
  VG Name                vg_livecd
  LV UUID                Zq13Jd-sCvi-DFba-7Fn2-4njY-PB2t-3hDyMU
  LV Write Access        read/write
  LV Creation host, time livecd.centos, 2014-10-06 22:26:13 +0300
  LV Status              available
  # open                 1
  LV Size                800.00 MiB
  Current LE             200
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
	Lvscan   ACTIVE            '/dev/vg1/lv1' [1.00 GiB] inherit
  ACTIVE            '/dev/vg1/lv2' [1.00 GiB] inherit
  ACTIVE            '/dev/vg1/lv3' [500.00 MiB] inherit
  ACTIVE            '/dev/vg_livecd/lv_root' [6.73 GiB] inherit
  ACTIVE            '/dev/vg_livecd/lv_swap' [800.00 MiB] inherit