ここでは,新規にHDLMデバイスを使用して,論理ボリュームを作成する手順を説明します。「図3-30 HDLMデバイス上に論理ボリュームを作成した場合のデバイス構成」に示す環境は,次の手順で構築してください。
図3-30 HDLMデバイス上に論理ボリュームを作成した場合のデバイス構成
図3-31 /etc/lvm/lvm.confファイルの編集例
# pvcreate /dev/sddlmad1
Physical volume "/dev/sddlmad1" successfully created
# pvcreate /dev/sddlmad2
Physical volume "/dev/sddlmad2" successfully created
# vgcreate vg01 /dev/sddlmad1 /dev/sddlmad2
Volume group "vg01" successfully created
# lvcreate -L 100M -n lvol1 vg01
Logical volume "lvol1" created
# mke2fs /dev/vg01/lvol1
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
25688 inodes, 102400 blocks
5120 blocks (5.00%) reserved for the super user
First data block=1
13 block groups
8192 blocks per group, 8192 fragments per group
1976 inodes per group
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 38 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
# mkdir /mnt/lvol1
# mount /dev/vg01/lvol1 /mnt/lvol1
# vgscan
Reading all physical volumes. This may take a while...
Found volume group "VolGroup00" using metadata type lvm2