# pvcreate /dev/md0
Physical volume "/dev/md0" successfully created
# vgcreate VG0 /dev/md0
Volume group "VG0" successfully created
livecd ~ # vgdisplay
--- Volume group ---
VG Name VG0
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 298.09 GB
PE Size 4.00 MB
Total PE 76311
Alloc PE / Size 0 / 0
Free PE / Size 76311 / 298.09 GB
VG UUID Lrn8oM-PDa1-U0Ca-P2Er-kpZj-2Mnl-Pg6H68
# lvcreate -nLV0 -L298G VG0
Logical volume "LV0" created
# lvdisplay
--- Logical volume ---
LV Name /dev/VG0/LV0
VG Name VG0
LV UUID VkrE36-fp3k-ggi4-2Aj5-Sqao-Ot9m-Wkhwr4
LV Write Access read/write
LV Status available
# open 0
LV Size 298.00 GB
Current LE 76288
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
あれ？PEx65536が最大値じゃなかった？
これでどーだ！？
# vgcreate -s8K VG0 /dev/md0
Volume group "VG0" successfully created
# vgdisplay
--- Volume group ---
VG Name VG0
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 298.09 GB
PE Size 8.00 KB
Total PE 39071368
Alloc PE / Size 0 / 0
Free PE / Size 39071368 / 298.09 GB
VG UUID QN8MMr-5sQ4-IxyO-3fcG-USFd-PJip-yKqTOb
# lvcreate -nLV0 -L298G VG0
Logical volume "LV0" created
# lvdisplay
--- Logical volume ---
LV Name /dev/VG0/LV0
VG Name VG0
LV UUID XZcblP-oXaw-OK02-Xq3P-URT9-riQA-4oLIPH
LV Write Access read/write
LV Status available
# open 0
LV Size 298.00 GB
Current LE 39059456
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
# vgdisplay
--- Volume group ---
VG Name VG0
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 298.09 GB
PE Size 8.00 KB
Total PE 39071368
Alloc PE / Size 39059456 / 298.00 GB
Free PE / Size 11912 / 93.06 MB
VG UUID QN8MMr-5sQ4-IxyO-3fcG-USFd-PJip-yKqTOb
うぬ・・・
とりあえずPEの最大数とか気にしなくていいらしい。。
