LV作成 - のんびりSE備忘録 @ ウィキ

• PV作成

# pvcreate /dev/sda1
  Physical volume "/dev/sda1" successfully created
# pvdisplay
  "/dev/sda1" is a new physical volume of "10.00 GB"
  --- NEW Physical volume ---
  PV Name               /dev/sda1
  VG Name
  PV Size               10.00 GB
  Allocatable           NO
  PE Size (KByte)       0
  Total PE              0
  Free PE               0
  Allocated PE          0
  PV UUID               dj7Mav-Nwe4-h7eI-gTAs-Hawa-TbSD-1VlmOC

• VG作成

# vgcreate vg01 /dev/sda1
  Volume group "vg01" successfully created
# vgdisplay
  --- Volume group ---
  VG Name               vg01
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  1
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                0
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               10.00 GB
  PE Size               4.00 MB
  Total PE              2559
  Alloc PE / Size       0 / 0
  Free  PE / Size       2559 / 10.00 GB
  VG UUID               847fIb-lmQg-dMiB-v68K-7ACW-BgQB-QX91Oz

• LV作成

# lvcreate -L 8G -n lv01 vg01
  Logical volume "lv01" created
# lvdisplay
  --- Logical volume ---
  LV Name                /dev/vg01/lv01
  VG Name                vg01
  LV UUID                Jm5wpe-8LVp-5H2m-Jtf3-2UV4-5ads-3CeAWN
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                8.00 GB
  Current LE             2048
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0