LVM crypt disks on Linux/AWS

  1. dd if=/dev/urandom of=/keys/xvdm.key bs=1024 count=4
  2. dd if=/dev/urandom of=/keys/xvdn.key bs=1024 count=4
  3. cryptsetup --verbose -y luksFormat /dev/xvdm /keys/xvdm.key
  4. cryptsetup --verbose -y luksFormat /dev/xvdn /keys/xvdn.key
  5. cryptsetup luksOpen /dev/xvdm cryptm --key-file /etc/xvdm.key
  6. cryptsetup luksOpen /dev/xvdn cryptn --key-file /etc/xvdn.key
  7. pvcreate /dev/mapper/cryptm /dev/mapper/cryptn
  8. Add entries to /etc/crypttab for reboots and test somehow
    1. cryptm /dev/xvdm /etc/xvdm.key luks
    2. cryptn /dev/xvdn /etc/xvdn.key luks
Complete LVM setup and add entries to /etc/fstab.

Hint: don't make one, single typo...ever.


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