LVM commands

This note focuses on manual creation and manipulation of LVM.

Create Physical Volume

pvcreate /dev/sdax

Create Logical Volume Group

vgcreate vgx /dev/sdax

Create Logical Volume

lvcreate -n vmxx --size 6g vgx

Create Patition of logical Volume

fdisk /dev/vgx/vmxx

Map and mount

kpartx -v -a /dev/vgx/vmxx
mount /dev/mapper/vmxxp1 /foo

Remove mapping

kpartx -v -d /dev/vgx/vmxx

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#Walk through

lvcreate -n storage --size 40g vg0
fdisk /dev/vg0/storage
------------------------------
n - new partition
p - primary partition
1 - partition number 1
Enter
Enter
Just create new parition
-------------------------------
kpartx -v -a /dev/vg0/storage
mkfs.ext3 /dev/mapper/storage1
mkdir /foo <---- THE DIRECOTRY TO MOUNT
mount /dev/mapper/storage1 /foo