MDADM: how to mirror installed LM 17 disk
Computer:i5,8G,2x500GB HD. one of 500GB hard drive, /dev/sda, is installed Linux Mint Rebecca with 20GB boot/470GB home EXT4/10GB swap. I want to add one more 500GB hard drive, /dev/sdb, to create RAID 1 with old one. Is it possible? and How to command?