LUKS（Linux Unified Key Setup）でストレージを暗号化する

領域の分割

sudo parted /dev/sdb

(parted) mklabel gpt
(parted) mkpart primary ext4 0% 200GB
(parted) mkpart primary ext4 200GB 100%
(parted) print
(parted) quit
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必要なツール

apt-get update
apt-get install -y cryptsetup

暗号化の実施

sudo cryptsetup luksOpen /dev/sdX storageA
sudo mount /dev/mapper/storageA /mnt/storageA