Changes

==== create a raid lvm aside ====

==== create a raid lvm aside ====

I had a couple of drive in an external eSATA dock. So first I removed one, put the new storage drive and create a degraded RAID1+ LVM  

I had a couple of drive in an external eSATA dock. So first I removed one, put the new storage drive and create a degraded RAID1+ LVM  

  mdadm --create /dev/md4 --level=raid1 --raid-devices=1 /dev/sde --force  

  mdadm --create /dev/md4 --level=raid1 --raid-devices=1 /dev/sde1 --force  

  pvcreate /dev/md4  

  pvcreate /dev/md4  

  vgcreate nasdrive /dev/md4  

  vgcreate nasdrive /dev/md4  

then copy files from needed drives

then copy files from needed drives

then umount the drives and put the second new drive in the dock, and :

then umount the drives :

  gdisk /dev/sdf #then format as fd00 linux raid the whole drive

  umount /dev/nasdrive/*

  mdadm --grow /dev/md4 --add   /dev/sdf1 --raid-devices=2

unmount /dev/oldrives

change disk in the dock

  mdadm --grow /dev/md4 --add /dev/sdc --raid-devices=2

then final step fill fstab to have it mounted on boot.

then final step fill fstab to have it mounted on boot.