Encrypting hard drive containing the MBR with Veracrypt
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I have three hard drives in my laptop: /dev/sdc (an mSATA drive) is where the system is installed and is completely encrypted with LUKS. /dev/sdb (for media/text files - the majority of /home) was encrypted with Veracrypt and decrypted and mounted on boot via cryptsetup and fstab. During the installation (Manjaro calamares installer) I installed the MBR on /dev/sda as I previously had problems with trying to boot from the other hard drives. When I start the machine it reads the MBR from /dev/sda, I enter my password, it decrypts /dev/sdc and boots into Manjaro. Currently /dev/sda is unencrypted but I would like to encrypt it via Veracrypt and decrypt/mount on boot like I do already with /dev/sdb. However, I am worried that by fully encrypting this drive I will not be able to boot into the system as this HDD contain...