MariaDB

https://linuxhint.com/change_mysql_data_directory_ubuntu/
-> sudo grep -R --color datadir /etc/mysql/*
-> sudo systemctl stop mariadb
   sudo systemctl status mariadb
   
   sudo service mariadb stop
   sudo service mariadb status

https://www.digitalocean.com/community/tutorials/how-to-change-a-mariadb-data-directory-to-a-new-location-on-centos-7
-> sudo rsync -av /var/lib/mysql /mnt/vault/

# Installed hard drives or SSDs
-> sudo lsblk | grep disk