RAID1+LVM安装

• sudo mdadm -E /dev/sda5 

• sudo mdadm -Av /dev/md0 --uuid=47b7dc92:0dd53670:01d7672c:70b7c4cb /dev/sda5 /dev/sdb5

• mdadm -Ds >> /etc/mdadm/mdadm.conf

• update-initramfs -u
  

• 
  

• sudo apt-get install lvm2 mdadm

• mdadm --create /dev/mdx --level=1 --raid-devices=2 /dev/sdax missing

• vgcreate vg0 /dev/mdx --physicalextentsize 32M

• sudo lvcreate -L100G -n qihua vg0

• 
  

• sudo update-initramfs -u   #Make it loaded by ram fs.

• sudo mdadm --zero-superblock /dev/sda[x]

• 
  

   

• sudo mkfs.ext4 -m0 /dev/vg0/qihua

• sudo mkfs.ext4 -m0 /dev/vg0/akhome

sudo mkdir /media/lvm

sudo mount /dev/mapper/vg0-akhome /media/lvm/

sync to temp directory.

sudo rsync -av --exclude=lost+found           --exclude='/media/*'           --exclude='/dev/.[isu]*'           --exclude='/lib/init/rw/*'           --exclude='/lib/modules/*/volatile/*'           --exclude='/proc/*'           --exclude='/sys/*'           --exclude='/home/*'           --exclude='/var/lock/*'           --exclude='/var/run/*'     / /media/lvm/

rsync -av --exclude=lost+found --exclude=/media/* --exclude='/dev/.[isu]*' --exclude='/lib/init/rw/*' --exclude='/lib/modules/*/volatile/*' --exclude='/proc/*' --exclude='/sys/*' --exclude='/home/*' --exclude='/var/lock/*' --exclude='/var/run/*' / /media/lvm/

sudo cp /proc/cmdline /media/lvm/proc/

sudo cp /proc/modules /media/lvm/proc/

sudo chmod a+w /media/lvm/proc/cmdline,

sudo vi /media/lvm/proc/cmdline change: root=/dev/mapper/vgx-xxxxxx ro

sudo chmod a+w /media/lvm/etc/fstab

sudo vi /media/lvm/etc/fstab

sudo chmod a+w /media/lvm/boot/grub/grub.cfg

sudo vi /media/lvm/boot/grub/grub.cfg

sudo chroot /media/lvm

update-initramfs -c -k `uname -r`

sudo grub-install --root-directory=/media/lvm /dev/sdx