/usr/sbin/pvcreate /dev/sda4
/usr/sbin/vgcreate -s 16M nlife_lvm /dev/sda4
/usr/sbin/vgchange -ay nlife_lvm
/usr/sbin/lvcreate -L1G -nbbs nlife_lvm
/usr/sbin/lvcreate -L2G -ntmp nlife_lvm
/usr/sbin/lvcreate -L100G -nhome nlife_lvm
/usr/sbin/lvcreate -L50G -nvar nlife_lvm